diff --git a/clients/client-accessanalyzer/src/protocols/Aws_restJson1.ts b/clients/client-accessanalyzer/src/protocols/Aws_restJson1.ts
index b0486a48f627..d02c10e8748b 100644
--- a/clients/client-accessanalyzer/src/protocols/Aws_restJson1.ts
+++ b/clients/client-accessanalyzer/src/protocols/Aws_restJson1.ts
@@ -3835,8 +3835,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-account/src/protocols/Aws_restJson1.ts b/clients/client-account/src/protocols/Aws_restJson1.ts
index bc4ef29cc10e..6d6cfe9a2c08 100644
--- a/clients/client-account/src/protocols/Aws_restJson1.ts
+++ b/clients/client-account/src/protocols/Aws_restJson1.ts
@@ -585,8 +585,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-acm-pca/src/protocols/Aws_json1_1.ts b/clients/client-acm-pca/src/protocols/Aws_json1_1.ts
index 71af55d33c71..7a0d7eaa070d 100644
--- a/clients/client-acm-pca/src/protocols/Aws_json1_1.ts
+++ b/clients/client-acm-pca/src/protocols/Aws_json1_1.ts
@@ -2982,8 +2982,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-acm/src/protocols/Aws_json1_1.ts b/clients/client-acm/src/protocols/Aws_json1_1.ts
index 53cf2dde8f48..a04597e98648 100644
--- a/clients/client-acm/src/protocols/Aws_json1_1.ts
+++ b/clients/client-acm/src/protocols/Aws_json1_1.ts
@@ -1948,8 +1948,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-alexa-for-business/src/protocols/Aws_json1_1.ts b/clients/client-alexa-for-business/src/protocols/Aws_json1_1.ts
index 6b3f6e929f59..210ab2251933 100644
--- a/clients/client-alexa-for-business/src/protocols/Aws_json1_1.ts
+++ b/clients/client-alexa-for-business/src/protocols/Aws_json1_1.ts
@@ -8869,8 +8869,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-amp/src/protocols/Aws_restJson1.ts b/clients/client-amp/src/protocols/Aws_restJson1.ts
index 14cf0309f25f..6b9669de125a 100644
--- a/clients/client-amp/src/protocols/Aws_restJson1.ts
+++ b/clients/client-amp/src/protocols/Aws_restJson1.ts
@@ -2208,8 +2208,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-amplify/src/protocols/Aws_restJson1.ts b/clients/client-amplify/src/protocols/Aws_restJson1.ts
index e6f9dcfa0d82..90b753bb2357 100644
--- a/clients/client-amplify/src/protocols/Aws_restJson1.ts
+++ b/clients/client-amplify/src/protocols/Aws_restJson1.ts
@@ -3770,8 +3770,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-amplifybackend/src/protocols/Aws_restJson1.ts b/clients/client-amplifybackend/src/protocols/Aws_restJson1.ts
index d254c7633d9d..f4fa50a0b683 100644
--- a/clients/client-amplifybackend/src/protocols/Aws_restJson1.ts
+++ b/clients/client-amplifybackend/src/protocols/Aws_restJson1.ts
@@ -4068,8 +4068,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-amplifyuibuilder/src/protocols/Aws_restJson1.ts b/clients/client-amplifyuibuilder/src/protocols/Aws_restJson1.ts
index e3c08d7fff29..3dc2934a8914 100644
--- a/clients/client-amplifyuibuilder/src/protocols/Aws_restJson1.ts
+++ b/clients/client-amplifyuibuilder/src/protocols/Aws_restJson1.ts
@@ -3529,8 +3529,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-api-gateway/src/protocols/Aws_restJson1.ts b/clients/client-api-gateway/src/protocols/Aws_restJson1.ts
index 1fe4ba8713af..68f6c81c41db 100644
--- a/clients/client-api-gateway/src/protocols/Aws_restJson1.ts
+++ b/clients/client-api-gateway/src/protocols/Aws_restJson1.ts
@@ -12783,8 +12783,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-apigatewaymanagementapi/src/protocols/Aws_restJson1.ts b/clients/client-apigatewaymanagementapi/src/protocols/Aws_restJson1.ts
index 137c5a32adfe..aeacf35dba6d 100644
--- a/clients/client-apigatewaymanagementapi/src/protocols/Aws_restJson1.ts
+++ b/clients/client-apigatewaymanagementapi/src/protocols/Aws_restJson1.ts
@@ -358,8 +358,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-apigatewayv2/src/protocols/Aws_restJson1.ts b/clients/client-apigatewayv2/src/protocols/Aws_restJson1.ts
index 0388c1dbe687..f24cef2af839 100644
--- a/clients/client-apigatewayv2/src/protocols/Aws_restJson1.ts
+++ b/clients/client-apigatewayv2/src/protocols/Aws_restJson1.ts
@@ -7803,8 +7803,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-app-mesh/src/protocols/Aws_restJson1.ts b/clients/client-app-mesh/src/protocols/Aws_restJson1.ts
index 6d61a8f4f40b..9ab8489cbf54 100644
--- a/clients/client-app-mesh/src/protocols/Aws_restJson1.ts
+++ b/clients/client-app-mesh/src/protocols/Aws_restJson1.ts
@@ -7321,8 +7321,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-appconfig/src/protocols/Aws_restJson1.ts b/clients/client-appconfig/src/protocols/Aws_restJson1.ts
index d169eeeebd4b..4282d84cc1fb 100644
--- a/clients/client-appconfig/src/protocols/Aws_restJson1.ts
+++ b/clients/client-appconfig/src/protocols/Aws_restJson1.ts
@@ -4827,8 +4827,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-appconfigdata/src/protocols/Aws_restJson1.ts b/clients/client-appconfigdata/src/protocols/Aws_restJson1.ts
index dd086417a8cf..091e6aab0a38 100644
--- a/clients/client-appconfigdata/src/protocols/Aws_restJson1.ts
+++ b/clients/client-appconfigdata/src/protocols/Aws_restJson1.ts
@@ -349,8 +349,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-appflow/src/protocols/Aws_restJson1.ts b/clients/client-appflow/src/protocols/Aws_restJson1.ts
index 1e3d10694508..57fab047c063 100644
--- a/clients/client-appflow/src/protocols/Aws_restJson1.ts
+++ b/clients/client-appflow/src/protocols/Aws_restJson1.ts
@@ -5498,8 +5498,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-appintegrations/src/protocols/Aws_restJson1.ts b/clients/client-appintegrations/src/protocols/Aws_restJson1.ts
index fe37dc55ae71..bc5c432c716b 100644
--- a/clients/client-appintegrations/src/protocols/Aws_restJson1.ts
+++ b/clients/client-appintegrations/src/protocols/Aws_restJson1.ts
@@ -1644,8 +1644,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-application-auto-scaling/src/protocols/Aws_json1_1.ts b/clients/client-application-auto-scaling/src/protocols/Aws_json1_1.ts
index c8cc1da1c6d4..dabe2e550129 100644
--- a/clients/client-application-auto-scaling/src/protocols/Aws_json1_1.ts
+++ b/clients/client-application-auto-scaling/src/protocols/Aws_json1_1.ts
@@ -1576,8 +1576,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-application-discovery-service/src/protocols/Aws_json1_1.ts b/clients/client-application-discovery-service/src/protocols/Aws_json1_1.ts
index 56af8aa963ef..8576125d59da 100644
--- a/clients/client-application-discovery-service/src/protocols/Aws_json1_1.ts
+++ b/clients/client-application-discovery-service/src/protocols/Aws_json1_1.ts
@@ -3162,8 +3162,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-application-insights/src/protocols/Aws_json1_1.ts b/clients/client-application-insights/src/protocols/Aws_json1_1.ts
index 5345eb079094..ac761d5c6e88 100644
--- a/clients/client-application-insights/src/protocols/Aws_json1_1.ts
+++ b/clients/client-application-insights/src/protocols/Aws_json1_1.ts
@@ -2851,8 +2851,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-applicationcostprofiler/src/protocols/Aws_restJson1.ts b/clients/client-applicationcostprofiler/src/protocols/Aws_restJson1.ts
index 2794c04700f2..dd500779a9af 100644
--- a/clients/client-applicationcostprofiler/src/protocols/Aws_restJson1.ts
+++ b/clients/client-applicationcostprofiler/src/protocols/Aws_restJson1.ts
@@ -700,8 +700,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-apprunner/src/protocols/Aws_json1_0.ts b/clients/client-apprunner/src/protocols/Aws_json1_0.ts
index 11d062831d6d..d92d9d9a887e 100644
--- a/clients/client-apprunner/src/protocols/Aws_json1_0.ts
+++ b/clients/client-apprunner/src/protocols/Aws_json1_0.ts
@@ -3483,8 +3483,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-appstream/src/protocols/Aws_json1_1.ts b/clients/client-appstream/src/protocols/Aws_json1_1.ts
index c170102e81f4..f1e37e22c0bb 100644
--- a/clients/client-appstream/src/protocols/Aws_json1_1.ts
+++ b/clients/client-appstream/src/protocols/Aws_json1_1.ts
@@ -7247,8 +7247,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-appsync/src/protocols/Aws_restJson1.ts b/clients/client-appsync/src/protocols/Aws_restJson1.ts
index f2f0ae20d845..d0fe04732fad 100644
--- a/clients/client-appsync/src/protocols/Aws_restJson1.ts
+++ b/clients/client-appsync/src/protocols/Aws_restJson1.ts
@@ -5014,8 +5014,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-athena/src/protocols/Aws_json1_1.ts b/clients/client-athena/src/protocols/Aws_json1_1.ts
index 096ddaff24c9..9d324f16e953 100644
--- a/clients/client-athena/src/protocols/Aws_json1_1.ts
+++ b/clients/client-athena/src/protocols/Aws_json1_1.ts
@@ -4022,8 +4022,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-auditmanager/src/protocols/Aws_restJson1.ts b/clients/client-auditmanager/src/protocols/Aws_restJson1.ts
index dc2f136ee2c6..9583d18ce8eb 100644
--- a/clients/client-auditmanager/src/protocols/Aws_restJson1.ts
+++ b/clients/client-auditmanager/src/protocols/Aws_restJson1.ts
@@ -6690,8 +6690,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-auto-scaling-plans/src/protocols/Aws_json1_1.ts b/clients/client-auto-scaling-plans/src/protocols/Aws_json1_1.ts
index 18e5bfd13f9a..7c73d4e25b65 100644
--- a/clients/client-auto-scaling-plans/src/protocols/Aws_json1_1.ts
+++ b/clients/client-auto-scaling-plans/src/protocols/Aws_json1_1.ts
@@ -1250,8 +1250,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-auto-scaling/src/protocols/Aws_query.ts b/clients/client-auto-scaling/src/protocols/Aws_query.ts
index e726821ca6dd..1a42340686d3 100644
--- a/clients/client-auto-scaling/src/protocols/Aws_query.ts
+++ b/clients/client-auto-scaling/src/protocols/Aws_query.ts
@@ -9856,8 +9856,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-backup-gateway/src/protocols/Aws_json1_0.ts b/clients/client-backup-gateway/src/protocols/Aws_json1_0.ts
index 5674f4c08f84..d8484ef96908 100644
--- a/clients/client-backup-gateway/src/protocols/Aws_json1_0.ts
+++ b/clients/client-backup-gateway/src/protocols/Aws_json1_0.ts
@@ -1979,8 +1979,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-backup/src/protocols/Aws_restJson1.ts b/clients/client-backup/src/protocols/Aws_restJson1.ts
index 9a80a304a2bf..2f3a27feb12f 100644
--- a/clients/client-backup/src/protocols/Aws_restJson1.ts
+++ b/clients/client-backup/src/protocols/Aws_restJson1.ts
@@ -7463,8 +7463,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-backupstorage/src/protocols/Aws_restJson1.ts b/clients/client-backupstorage/src/protocols/Aws_restJson1.ts
index 9c8ba060c42c..e86dc394f9f4 100644
--- a/clients/client-backupstorage/src/protocols/Aws_restJson1.ts
+++ b/clients/client-backupstorage/src/protocols/Aws_restJson1.ts
@@ -1174,8 +1174,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-batch/src/protocols/Aws_restJson1.ts b/clients/client-batch/src/protocols/Aws_restJson1.ts
index b7a99213a613..7784768d7bae 100644
--- a/clients/client-batch/src/protocols/Aws_restJson1.ts
+++ b/clients/client-batch/src/protocols/Aws_restJson1.ts
@@ -3558,8 +3558,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-billingconductor/src/protocols/Aws_restJson1.ts b/clients/client-billingconductor/src/protocols/Aws_restJson1.ts
index 1be4471a0af0..993179627da1 100644
--- a/clients/client-billingconductor/src/protocols/Aws_restJson1.ts
+++ b/clients/client-billingconductor/src/protocols/Aws_restJson1.ts
@@ -3572,8 +3572,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-braket/src/protocols/Aws_restJson1.ts b/clients/client-braket/src/protocols/Aws_restJson1.ts
index a7cf61bfadd0..a2d59ff90704 100644
--- a/clients/client-braket/src/protocols/Aws_restJson1.ts
+++ b/clients/client-braket/src/protocols/Aws_restJson1.ts
@@ -1782,8 +1782,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-budgets/src/protocols/Aws_json1_1.ts b/clients/client-budgets/src/protocols/Aws_json1_1.ts
index f158cf155227..794d1f9f7b92 100644
--- a/clients/client-budgets/src/protocols/Aws_json1_1.ts
+++ b/clients/client-budgets/src/protocols/Aws_json1_1.ts
@@ -3136,8 +3136,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-chime-sdk-identity/src/protocols/Aws_restJson1.ts b/clients/client-chime-sdk-identity/src/protocols/Aws_restJson1.ts
index 62a41ce5d9cd..87d591da6eac 100644
--- a/clients/client-chime-sdk-identity/src/protocols/Aws_restJson1.ts
+++ b/clients/client-chime-sdk-identity/src/protocols/Aws_restJson1.ts
@@ -2770,8 +2770,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-chime-sdk-media-pipelines/src/protocols/Aws_restJson1.ts b/clients/client-chime-sdk-media-pipelines/src/protocols/Aws_restJson1.ts
index e99970cb052d..add11974d76d 100644
--- a/clients/client-chime-sdk-media-pipelines/src/protocols/Aws_restJson1.ts
+++ b/clients/client-chime-sdk-media-pipelines/src/protocols/Aws_restJson1.ts
@@ -2297,8 +2297,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-chime-sdk-meetings/src/protocols/Aws_restJson1.ts b/clients/client-chime-sdk-meetings/src/protocols/Aws_restJson1.ts
index fb88e0d83d88..574b07cf965c 100644
--- a/clients/client-chime-sdk-meetings/src/protocols/Aws_restJson1.ts
+++ b/clients/client-chime-sdk-meetings/src/protocols/Aws_restJson1.ts
@@ -2063,8 +2063,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-chime-sdk-messaging/src/protocols/Aws_restJson1.ts b/clients/client-chime-sdk-messaging/src/protocols/Aws_restJson1.ts
index a34d372f32bb..c0d3403b6494 100644
--- a/clients/client-chime-sdk-messaging/src/protocols/Aws_restJson1.ts
+++ b/clients/client-chime-sdk-messaging/src/protocols/Aws_restJson1.ts
@@ -5378,8 +5378,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-chime/src/protocols/Aws_restJson1.ts b/clients/client-chime/src/protocols/Aws_restJson1.ts
index 46334193f2c2..352821025617 100644
--- a/clients/client-chime/src/protocols/Aws_restJson1.ts
+++ b/clients/client-chime/src/protocols/Aws_restJson1.ts
@@ -20703,8 +20703,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-cloud9/src/protocols/Aws_json1_1.ts b/clients/client-cloud9/src/protocols/Aws_json1_1.ts
index f3b43ccfd9a8..35d9446a9bb0 100644
--- a/clients/client-cloud9/src/protocols/Aws_json1_1.ts
+++ b/clients/client-cloud9/src/protocols/Aws_json1_1.ts
@@ -1604,8 +1604,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-cloudcontrol/src/protocols/Aws_json1_0.ts b/clients/client-cloudcontrol/src/protocols/Aws_json1_0.ts
index ba66702e98c4..23eb488d4675 100644
--- a/clients/client-cloudcontrol/src/protocols/Aws_json1_0.ts
+++ b/clients/client-cloudcontrol/src/protocols/Aws_json1_0.ts
@@ -1501,8 +1501,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-clouddirectory/src/protocols/Aws_restJson1.ts b/clients/client-clouddirectory/src/protocols/Aws_restJson1.ts
index f47b96948483..03f2ec217cd9 100644
--- a/clients/client-clouddirectory/src/protocols/Aws_restJson1.ts
+++ b/clients/client-clouddirectory/src/protocols/Aws_restJson1.ts
@@ -9050,8 +9050,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-cloudformation/src/protocols/Aws_query.ts b/clients/client-cloudformation/src/protocols/Aws_query.ts
index 97e595f366bf..c4f37af80d60 100644
--- a/clients/client-cloudformation/src/protocols/Aws_query.ts
+++ b/clients/client-cloudformation/src/protocols/Aws_query.ts
@@ -10266,8 +10266,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-cloudfront/src/protocols/Aws_restXml.ts b/clients/client-cloudfront/src/protocols/Aws_restXml.ts
index 2fb7f914708b..6fcba5b9de3b 100644
--- a/clients/client-cloudfront/src/protocols/Aws_restXml.ts
+++ b/clients/client-cloudfront/src/protocols/Aws_restXml.ts
@@ -17288,8 +17288,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-cloudhsm-v2/src/protocols/Aws_json1_1.ts b/clients/client-cloudhsm-v2/src/protocols/Aws_json1_1.ts
index 55a6f3411e38..958d93c1d557 100644
--- a/clients/client-cloudhsm-v2/src/protocols/Aws_json1_1.ts
+++ b/clients/client-cloudhsm-v2/src/protocols/Aws_json1_1.ts
@@ -1730,8 +1730,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-cloudhsm/src/protocols/Aws_json1_1.ts b/clients/client-cloudhsm/src/protocols/Aws_json1_1.ts
index 8803a248000e..2b3d143ca718 100644
--- a/clients/client-cloudhsm/src/protocols/Aws_json1_1.ts
+++ b/clients/client-cloudhsm/src/protocols/Aws_json1_1.ts
@@ -1885,8 +1885,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-cloudsearch-domain/src/protocols/Aws_restJson1.ts b/clients/client-cloudsearch-domain/src/protocols/Aws_restJson1.ts
index f9eb5a3fc354..2a49f329de95 100644
--- a/clients/client-cloudsearch-domain/src/protocols/Aws_restJson1.ts
+++ b/clients/client-cloudsearch-domain/src/protocols/Aws_restJson1.ts
@@ -551,8 +551,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-cloudsearch/src/protocols/Aws_query.ts b/clients/client-cloudsearch/src/protocols/Aws_query.ts
index 9fc9f4a31ea3..9ad67e7918b4 100644
--- a/clients/client-cloudsearch/src/protocols/Aws_query.ts
+++ b/clients/client-cloudsearch/src/protocols/Aws_query.ts
@@ -4204,8 +4204,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-cloudtrail/src/protocols/Aws_json1_1.ts b/clients/client-cloudtrail/src/protocols/Aws_json1_1.ts
index 34a05dc4d158..a571d0a4749b 100644
--- a/clients/client-cloudtrail/src/protocols/Aws_json1_1.ts
+++ b/clients/client-cloudtrail/src/protocols/Aws_json1_1.ts
@@ -6048,8 +6048,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-cloudwatch-events/src/protocols/Aws_json1_1.ts b/clients/client-cloudwatch-events/src/protocols/Aws_json1_1.ts
index 55f04e2ea245..390dad6d4f00 100644
--- a/clients/client-cloudwatch-events/src/protocols/Aws_json1_1.ts
+++ b/clients/client-cloudwatch-events/src/protocols/Aws_json1_1.ts
@@ -6298,8 +6298,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-cloudwatch-logs/src/protocols/Aws_json1_1.ts b/clients/client-cloudwatch-logs/src/protocols/Aws_json1_1.ts
index 0b368581d9f3..bc7de764b3bc 100644
--- a/clients/client-cloudwatch-logs/src/protocols/Aws_json1_1.ts
+++ b/clients/client-cloudwatch-logs/src/protocols/Aws_json1_1.ts
@@ -4237,8 +4237,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-cloudwatch/src/protocols/Aws_query.ts b/clients/client-cloudwatch/src/protocols/Aws_query.ts
index 65ce991a95ec..4fc704ff078d 100644
--- a/clients/client-cloudwatch/src/protocols/Aws_query.ts
+++ b/clients/client-cloudwatch/src/protocols/Aws_query.ts
@@ -6207,8 +6207,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-codeartifact/src/protocols/Aws_restJson1.ts b/clients/client-codeartifact/src/protocols/Aws_restJson1.ts
index 8718da498f9a..a5c726224a1d 100644
--- a/clients/client-codeartifact/src/protocols/Aws_restJson1.ts
+++ b/clients/client-codeartifact/src/protocols/Aws_restJson1.ts
@@ -3937,8 +3937,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-codebuild/src/protocols/Aws_json1_1.ts b/clients/client-codebuild/src/protocols/Aws_json1_1.ts
index 2bf16a8e9dae..2059e0ce749a 100644
--- a/clients/client-codebuild/src/protocols/Aws_json1_1.ts
+++ b/clients/client-codebuild/src/protocols/Aws_json1_1.ts
@@ -5484,8 +5484,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-codecommit/src/protocols/Aws_json1_1.ts b/clients/client-codecommit/src/protocols/Aws_json1_1.ts
index 119f402c0c5c..49f56412739c 100644
--- a/clients/client-codecommit/src/protocols/Aws_json1_1.ts
+++ b/clients/client-codecommit/src/protocols/Aws_json1_1.ts
@@ -14673,8 +14673,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-codedeploy/src/protocols/Aws_json1_1.ts b/clients/client-codedeploy/src/protocols/Aws_json1_1.ts
index 34c9b1de8e6d..d92c6a58e969 100644
--- a/clients/client-codedeploy/src/protocols/Aws_json1_1.ts
+++ b/clients/client-codedeploy/src/protocols/Aws_json1_1.ts
@@ -8790,8 +8790,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-codeguru-reviewer/src/protocols/Aws_restJson1.ts b/clients/client-codeguru-reviewer/src/protocols/Aws_restJson1.ts
index 7dddaa6ae1bd..62ac0522f3c3 100644
--- a/clients/client-codeguru-reviewer/src/protocols/Aws_restJson1.ts
+++ b/clients/client-codeguru-reviewer/src/protocols/Aws_restJson1.ts
@@ -1968,8 +1968,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-codeguruprofiler/src/protocols/Aws_restJson1.ts b/clients/client-codeguruprofiler/src/protocols/Aws_restJson1.ts
index 6ab2a184f3ce..20002cbee3d3 100644
--- a/clients/client-codeguruprofiler/src/protocols/Aws_restJson1.ts
+++ b/clients/client-codeguruprofiler/src/protocols/Aws_restJson1.ts
@@ -2732,8 +2732,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-codepipeline/src/protocols/Aws_json1_1.ts b/clients/client-codepipeline/src/protocols/Aws_json1_1.ts
index 6f5375ec33c6..f3cf395dfcfe 100644
--- a/clients/client-codepipeline/src/protocols/Aws_json1_1.ts
+++ b/clients/client-codepipeline/src/protocols/Aws_json1_1.ts
@@ -5705,8 +5705,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-codestar-connections/src/protocols/Aws_json1_0.ts b/clients/client-codestar-connections/src/protocols/Aws_json1_0.ts
index 4f9d35b4063b..267b66040e7a 100644
--- a/clients/client-codestar-connections/src/protocols/Aws_json1_0.ts
+++ b/clients/client-codestar-connections/src/protocols/Aws_json1_0.ts
@@ -1209,8 +1209,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-codestar-notifications/src/protocols/Aws_restJson1.ts b/clients/client-codestar-notifications/src/protocols/Aws_restJson1.ts
index a182fef92e7b..8409483c0aa9 100644
--- a/clients/client-codestar-notifications/src/protocols/Aws_restJson1.ts
+++ b/clients/client-codestar-notifications/src/protocols/Aws_restJson1.ts
@@ -1370,8 +1370,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-codestar/src/protocols/Aws_json1_1.ts b/clients/client-codestar/src/protocols/Aws_json1_1.ts
index b436ae1e9a80..b0e9b6bd0953 100644
--- a/clients/client-codestar/src/protocols/Aws_json1_1.ts
+++ b/clients/client-codestar/src/protocols/Aws_json1_1.ts
@@ -2094,8 +2094,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-cognito-identity-provider/src/protocols/Aws_json1_1.ts b/clients/client-cognito-identity-provider/src/protocols/Aws_json1_1.ts
index 824af516c451..5b9e2a799e68 100644
--- a/clients/client-cognito-identity-provider/src/protocols/Aws_json1_1.ts
+++ b/clients/client-cognito-identity-provider/src/protocols/Aws_json1_1.ts
@@ -13351,8 +13351,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-cognito-identity/src/protocols/Aws_json1_1.ts b/clients/client-cognito-identity/src/protocols/Aws_json1_1.ts
index d4f3c5351a4f..5d4b2e078d15 100644
--- a/clients/client-cognito-identity/src/protocols/Aws_json1_1.ts
+++ b/clients/client-cognito-identity/src/protocols/Aws_json1_1.ts
@@ -2839,8 +2839,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-cognito-sync/src/protocols/Aws_restJson1.ts b/clients/client-cognito-sync/src/protocols/Aws_restJson1.ts
index e2c4bd05b346..0a5d5b27f1ab 100644
--- a/clients/client-cognito-sync/src/protocols/Aws_restJson1.ts
+++ b/clients/client-cognito-sync/src/protocols/Aws_restJson1.ts
@@ -2051,8 +2051,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-comprehend/src/protocols/Aws_json1_1.ts b/clients/client-comprehend/src/protocols/Aws_json1_1.ts
index 921280c65a41..d569af1e5330 100644
--- a/clients/client-comprehend/src/protocols/Aws_json1_1.ts
+++ b/clients/client-comprehend/src/protocols/Aws_json1_1.ts
@@ -9040,8 +9040,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-comprehendmedical/src/protocols/Aws_json1_1.ts b/clients/client-comprehendmedical/src/protocols/Aws_json1_1.ts
index 030c32e5a720..d1ae668de8e1 100644
--- a/clients/client-comprehendmedical/src/protocols/Aws_json1_1.ts
+++ b/clients/client-comprehendmedical/src/protocols/Aws_json1_1.ts
@@ -3133,8 +3133,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-compute-optimizer/src/protocols/Aws_json1_0.ts b/clients/client-compute-optimizer/src/protocols/Aws_json1_0.ts
index 875ec075fe10..0f0b11c5e903 100644
--- a/clients/client-compute-optimizer/src/protocols/Aws_json1_0.ts
+++ b/clients/client-compute-optimizer/src/protocols/Aws_json1_0.ts
@@ -3363,8 +3363,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-config-service/src/protocols/Aws_json1_1.ts b/clients/client-config-service/src/protocols/Aws_json1_1.ts
index 7966ddf1da5f..efdcd720520e 100644
--- a/clients/client-config-service/src/protocols/Aws_json1_1.ts
+++ b/clients/client-config-service/src/protocols/Aws_json1_1.ts
@@ -12087,8 +12087,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-connect-contact-lens/src/protocols/Aws_restJson1.ts b/clients/client-connect-contact-lens/src/protocols/Aws_restJson1.ts
index 95b81e6eff86..3ec3cbef793c 100644
--- a/clients/client-connect-contact-lens/src/protocols/Aws_restJson1.ts
+++ b/clients/client-connect-contact-lens/src/protocols/Aws_restJson1.ts
@@ -372,8 +372,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-connect/src/protocols/Aws_restJson1.ts b/clients/client-connect/src/protocols/Aws_restJson1.ts
index 91f4aebd5ade..35fb50b8aee7 100644
--- a/clients/client-connect/src/protocols/Aws_restJson1.ts
+++ b/clients/client-connect/src/protocols/Aws_restJson1.ts
@@ -16707,8 +16707,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-connectcampaigns/src/protocols/Aws_restJson1.ts b/clients/client-connectcampaigns/src/protocols/Aws_restJson1.ts
index 198a07b2d614..21dccb1c07a9 100644
--- a/clients/client-connectcampaigns/src/protocols/Aws_restJson1.ts
+++ b/clients/client-connectcampaigns/src/protocols/Aws_restJson1.ts
@@ -2384,8 +2384,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-connectparticipant/src/protocols/Aws_restJson1.ts b/clients/client-connectparticipant/src/protocols/Aws_restJson1.ts
index 5d193cf7203e..2001c1f0c7c1 100644
--- a/clients/client-connectparticipant/src/protocols/Aws_restJson1.ts
+++ b/clients/client-connectparticipant/src/protocols/Aws_restJson1.ts
@@ -943,8 +943,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-controltower/src/protocols/Aws_restJson1.ts b/clients/client-controltower/src/protocols/Aws_restJson1.ts
index 23a9e5c7c7f2..f05023a551cb 100644
--- a/clients/client-controltower/src/protocols/Aws_restJson1.ts
+++ b/clients/client-controltower/src/protocols/Aws_restJson1.ts
@@ -552,8 +552,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-cost-and-usage-report-service/src/protocols/Aws_json1_1.ts b/clients/client-cost-and-usage-report-service/src/protocols/Aws_json1_1.ts
index ff7420a08d15..755164e2f406 100644
--- a/clients/client-cost-and-usage-report-service/src/protocols/Aws_json1_1.ts
+++ b/clients/client-cost-and-usage-report-service/src/protocols/Aws_json1_1.ts
@@ -593,8 +593,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-cost-explorer/src/protocols/Aws_json1_1.ts b/clients/client-cost-explorer/src/protocols/Aws_json1_1.ts
index 5c013271a04e..b33c4b5dd0b1 100644
--- a/clients/client-cost-explorer/src/protocols/Aws_json1_1.ts
+++ b/clients/client-cost-explorer/src/protocols/Aws_json1_1.ts
@@ -5467,8 +5467,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-customer-profiles/src/protocols/Aws_restJson1.ts b/clients/client-customer-profiles/src/protocols/Aws_restJson1.ts
index c08a35523d71..c8671f6c5fc0 100644
--- a/clients/client-customer-profiles/src/protocols/Aws_restJson1.ts
+++ b/clients/client-customer-profiles/src/protocols/Aws_restJson1.ts
@@ -4808,8 +4808,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-data-pipeline/src/protocols/Aws_json1_1.ts b/clients/client-data-pipeline/src/protocols/Aws_json1_1.ts
index d9085550a74f..d12a3631f40e 100644
--- a/clients/client-data-pipeline/src/protocols/Aws_json1_1.ts
+++ b/clients/client-data-pipeline/src/protocols/Aws_json1_1.ts
@@ -2158,8 +2158,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-database-migration-service/src/protocols/Aws_json1_1.ts b/clients/client-database-migration-service/src/protocols/Aws_json1_1.ts
index 7895306b4c44..336efd4030e7 100644
--- a/clients/client-database-migration-service/src/protocols/Aws_json1_1.ts
+++ b/clients/client-database-migration-service/src/protocols/Aws_json1_1.ts
@@ -8533,8 +8533,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-databrew/src/protocols/Aws_restJson1.ts b/clients/client-databrew/src/protocols/Aws_restJson1.ts
index 5b7f89080546..e184a8741424 100644
--- a/clients/client-databrew/src/protocols/Aws_restJson1.ts
+++ b/clients/client-databrew/src/protocols/Aws_restJson1.ts
@@ -5282,8 +5282,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-dataexchange/src/protocols/Aws_restJson1.ts b/clients/client-dataexchange/src/protocols/Aws_restJson1.ts
index de2cbc680ce2..e93761e32127 100644
--- a/clients/client-dataexchange/src/protocols/Aws_restJson1.ts
+++ b/clients/client-dataexchange/src/protocols/Aws_restJson1.ts
@@ -3689,8 +3689,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-datasync/src/protocols/Aws_json1_1.ts b/clients/client-datasync/src/protocols/Aws_json1_1.ts
index cb92fda62b84..bdbd70986367 100644
--- a/clients/client-datasync/src/protocols/Aws_json1_1.ts
+++ b/clients/client-datasync/src/protocols/Aws_json1_1.ts
@@ -4372,8 +4372,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-dax/src/protocols/Aws_json1_1.ts b/clients/client-dax/src/protocols/Aws_json1_1.ts
index 0f1bef750764..8e927f6a1861 100644
--- a/clients/client-dax/src/protocols/Aws_json1_1.ts
+++ b/clients/client-dax/src/protocols/Aws_json1_1.ts
@@ -3011,8 +3011,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-detective/src/protocols/Aws_restJson1.ts b/clients/client-detective/src/protocols/Aws_restJson1.ts
index 023fbb1cc8c2..ba3c2148bb33 100644
--- a/clients/client-detective/src/protocols/Aws_restJson1.ts
+++ b/clients/client-detective/src/protocols/Aws_restJson1.ts
@@ -2363,8 +2363,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-device-farm/src/protocols/Aws_json1_1.ts b/clients/client-device-farm/src/protocols/Aws_json1_1.ts
index 6b2cce81bef3..e558341ebcd1 100644
--- a/clients/client-device-farm/src/protocols/Aws_json1_1.ts
+++ b/clients/client-device-farm/src/protocols/Aws_json1_1.ts
@@ -8348,8 +8348,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-devops-guru/src/protocols/Aws_restJson1.ts b/clients/client-devops-guru/src/protocols/Aws_restJson1.ts
index 4c86b8ddb441..da8d13b874c2 100644
--- a/clients/client-devops-guru/src/protocols/Aws_restJson1.ts
+++ b/clients/client-devops-guru/src/protocols/Aws_restJson1.ts
@@ -4990,8 +4990,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-direct-connect/src/protocols/Aws_json1_1.ts b/clients/client-direct-connect/src/protocols/Aws_json1_1.ts
index caffa2f832df..f55cbc28eee0 100644
--- a/clients/client-direct-connect/src/protocols/Aws_json1_1.ts
+++ b/clients/client-direct-connect/src/protocols/Aws_json1_1.ts
@@ -6004,8 +6004,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-directory-service/src/protocols/Aws_json1_1.ts b/clients/client-directory-service/src/protocols/Aws_json1_1.ts
index 1df9eb7447d0..d87b25b143ac 100644
--- a/clients/client-directory-service/src/protocols/Aws_json1_1.ts
+++ b/clients/client-directory-service/src/protocols/Aws_json1_1.ts
@@ -7687,8 +7687,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-dlm/src/protocols/Aws_restJson1.ts b/clients/client-dlm/src/protocols/Aws_restJson1.ts
index 97fb5288d527..fba437088e7e 100644
--- a/clients/client-dlm/src/protocols/Aws_restJson1.ts
+++ b/clients/client-dlm/src/protocols/Aws_restJson1.ts
@@ -1576,8 +1576,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-docdb/src/protocols/Aws_query.ts b/clients/client-docdb/src/protocols/Aws_query.ts
index 4e0ce08490e7..d0335af8e7d3 100644
--- a/clients/client-docdb/src/protocols/Aws_query.ts
+++ b/clients/client-docdb/src/protocols/Aws_query.ts
@@ -9100,8 +9100,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-drs/src/protocols/Aws_restJson1.ts b/clients/client-drs/src/protocols/Aws_restJson1.ts
index b078e781df1a..b7ca819ad854 100644
--- a/clients/client-drs/src/protocols/Aws_restJson1.ts
+++ b/clients/client-drs/src/protocols/Aws_restJson1.ts
@@ -4374,8 +4374,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-dynamodb-streams/src/protocols/Aws_json1_0.ts b/clients/client-dynamodb-streams/src/protocols/Aws_json1_0.ts
index 1119670e9f70..aff8465d4322 100644
--- a/clients/client-dynamodb-streams/src/protocols/Aws_json1_0.ts
+++ b/clients/client-dynamodb-streams/src/protocols/Aws_json1_0.ts
@@ -759,8 +759,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-dynamodb/src/protocols/Aws_json1_0.ts b/clients/client-dynamodb/src/protocols/Aws_json1_0.ts
index 54f4383609d7..25c1e66a78e0 100644
--- a/clients/client-dynamodb/src/protocols/Aws_json1_0.ts
+++ b/clients/client-dynamodb/src/protocols/Aws_json1_0.ts
@@ -8522,8 +8522,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-ebs/src/protocols/Aws_restJson1.ts b/clients/client-ebs/src/protocols/Aws_restJson1.ts
index e09e7386b619..a50774e4f7d6 100644
--- a/clients/client-ebs/src/protocols/Aws_restJson1.ts
+++ b/clients/client-ebs/src/protocols/Aws_restJson1.ts
@@ -887,8 +887,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-ec2-instance-connect/src/protocols/Aws_json1_1.ts b/clients/client-ec2-instance-connect/src/protocols/Aws_json1_1.ts
index 9e584b915090..58d4f435b2aa 100644
--- a/clients/client-ec2-instance-connect/src/protocols/Aws_json1_1.ts
+++ b/clients/client-ec2-instance-connect/src/protocols/Aws_json1_1.ts
@@ -515,8 +515,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-ec2/src/protocols/Aws_ec2.ts b/clients/client-ec2/src/protocols/Aws_ec2.ts
index d2ef1f17bd4d..c6cb1cca4259 100644
--- a/clients/client-ec2/src/protocols/Aws_ec2.ts
+++ b/clients/client-ec2/src/protocols/Aws_ec2.ts
@@ -80346,8 +80346,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-ecr-public/src/protocols/Aws_json1_1.ts b/clients/client-ecr-public/src/protocols/Aws_json1_1.ts
index 4c666560985b..169f5d4ac1d7 100644
--- a/clients/client-ecr-public/src/protocols/Aws_json1_1.ts
+++ b/clients/client-ecr-public/src/protocols/Aws_json1_1.ts
@@ -3048,8 +3048,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-ecr/src/protocols/Aws_json1_1.ts b/clients/client-ecr/src/protocols/Aws_json1_1.ts
index fc6690ae007f..5290fea7532f 100644
--- a/clients/client-ecr/src/protocols/Aws_json1_1.ts
+++ b/clients/client-ecr/src/protocols/Aws_json1_1.ts
@@ -5722,8 +5722,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-ecs/src/protocols/Aws_json1_1.ts b/clients/client-ecs/src/protocols/Aws_json1_1.ts
index 6868c27bdcba..7232b85544c2 100644
--- a/clients/client-ecs/src/protocols/Aws_json1_1.ts
+++ b/clients/client-ecs/src/protocols/Aws_json1_1.ts
@@ -8354,8 +8354,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-efs/src/protocols/Aws_restJson1.ts b/clients/client-efs/src/protocols/Aws_restJson1.ts
index 16f693c3c304..3b0f172eb40d 100644
--- a/clients/client-efs/src/protocols/Aws_restJson1.ts
+++ b/clients/client-efs/src/protocols/Aws_restJson1.ts
@@ -3795,8 +3795,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-eks/src/protocols/Aws_restJson1.ts b/clients/client-eks/src/protocols/Aws_restJson1.ts
index 1bd75967ed33..3655d0544dbf 100644
--- a/clients/client-eks/src/protocols/Aws_restJson1.ts
+++ b/clients/client-eks/src/protocols/Aws_restJson1.ts
@@ -4254,8 +4254,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-elastic-beanstalk/src/protocols/Aws_query.ts b/clients/client-elastic-beanstalk/src/protocols/Aws_query.ts
index 02628207b652..b579815fabf2 100644
--- a/clients/client-elastic-beanstalk/src/protocols/Aws_query.ts
+++ b/clients/client-elastic-beanstalk/src/protocols/Aws_query.ts
@@ -7297,8 +7297,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-elastic-inference/src/protocols/Aws_restJson1.ts b/clients/client-elastic-inference/src/protocols/Aws_restJson1.ts
index b2eab303475e..4a0feb638895 100644
--- a/clients/client-elastic-inference/src/protocols/Aws_restJson1.ts
+++ b/clients/client-elastic-inference/src/protocols/Aws_restJson1.ts
@@ -734,8 +734,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-elastic-load-balancing-v2/src/protocols/Aws_query.ts b/clients/client-elastic-load-balancing-v2/src/protocols/Aws_query.ts
index 2bdac89e908d..036526c0bd8f 100644
--- a/clients/client-elastic-load-balancing-v2/src/protocols/Aws_query.ts
+++ b/clients/client-elastic-load-balancing-v2/src/protocols/Aws_query.ts
@@ -6721,8 +6721,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-elastic-load-balancing/src/protocols/Aws_query.ts b/clients/client-elastic-load-balancing/src/protocols/Aws_query.ts
index 4a40a3b6c471..c8b45772add3 100644
--- a/clients/client-elastic-load-balancing/src/protocols/Aws_query.ts
+++ b/clients/client-elastic-load-balancing/src/protocols/Aws_query.ts
@@ -4675,8 +4675,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-elastic-transcoder/src/protocols/Aws_restJson1.ts b/clients/client-elastic-transcoder/src/protocols/Aws_restJson1.ts
index fcb9fb7ce2ae..31ca463e2759 100644
--- a/clients/client-elastic-transcoder/src/protocols/Aws_restJson1.ts
+++ b/clients/client-elastic-transcoder/src/protocols/Aws_restJson1.ts
@@ -2584,8 +2584,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-elasticache/src/protocols/Aws_query.ts b/clients/client-elasticache/src/protocols/Aws_query.ts
index 9100dfa56456..5c5aebedc0ee 100644
--- a/clients/client-elasticache/src/protocols/Aws_query.ts
+++ b/clients/client-elasticache/src/protocols/Aws_query.ts
@@ -12516,8 +12516,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-elasticsearch-service/src/protocols/Aws_restJson1.ts b/clients/client-elasticsearch-service/src/protocols/Aws_restJson1.ts
index 37768d57fc07..9e6eb6bb55dd 100644
--- a/clients/client-elasticsearch-service/src/protocols/Aws_restJson1.ts
+++ b/clients/client-elasticsearch-service/src/protocols/Aws_restJson1.ts
@@ -5388,8 +5388,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-emr-containers/src/protocols/Aws_restJson1.ts b/clients/client-emr-containers/src/protocols/Aws_restJson1.ts
index 2c0f62cd66ac..49666a9e981e 100644
--- a/clients/client-emr-containers/src/protocols/Aws_restJson1.ts
+++ b/clients/client-emr-containers/src/protocols/Aws_restJson1.ts
@@ -1798,8 +1798,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-emr-serverless/src/protocols/Aws_restJson1.ts b/clients/client-emr-serverless/src/protocols/Aws_restJson1.ts
index 039f07bc34ca..436cc7055744 100644
--- a/clients/client-emr-serverless/src/protocols/Aws_restJson1.ts
+++ b/clients/client-emr-serverless/src/protocols/Aws_restJson1.ts
@@ -1891,8 +1891,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-emr/src/protocols/Aws_json1_1.ts b/clients/client-emr/src/protocols/Aws_json1_1.ts
index 850fb08cc6ec..a450bae96472 100644
--- a/clients/client-emr/src/protocols/Aws_json1_1.ts
+++ b/clients/client-emr/src/protocols/Aws_json1_1.ts
@@ -6584,8 +6584,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-eventbridge/src/protocols/Aws_json1_1.ts b/clients/client-eventbridge/src/protocols/Aws_json1_1.ts
index b638b9955cc3..601d1244c0c4 100644
--- a/clients/client-eventbridge/src/protocols/Aws_json1_1.ts
+++ b/clients/client-eventbridge/src/protocols/Aws_json1_1.ts
@@ -6885,8 +6885,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-evidently/src/protocols/Aws_restJson1.ts b/clients/client-evidently/src/protocols/Aws_restJson1.ts
index 370930074b46..66bbac6a1a2d 100644
--- a/clients/client-evidently/src/protocols/Aws_restJson1.ts
+++ b/clients/client-evidently/src/protocols/Aws_restJson1.ts
@@ -4456,8 +4456,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-finspace-data/src/protocols/Aws_restJson1.ts b/clients/client-finspace-data/src/protocols/Aws_restJson1.ts
index f35660374337..645e38f92d89 100644
--- a/clients/client-finspace-data/src/protocols/Aws_restJson1.ts
+++ b/clients/client-finspace-data/src/protocols/Aws_restJson1.ts
@@ -3568,8 +3568,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-finspace/src/protocols/Aws_restJson1.ts b/clients/client-finspace/src/protocols/Aws_restJson1.ts
index 0ed4bde6c477..0ab5fe7d2f10 100644
--- a/clients/client-finspace/src/protocols/Aws_restJson1.ts
+++ b/clients/client-finspace/src/protocols/Aws_restJson1.ts
@@ -939,8 +939,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-firehose/src/protocols/Aws_json1_1.ts b/clients/client-firehose/src/protocols/Aws_json1_1.ts
index 6572a10e6a15..310df5ea4d95 100644
--- a/clients/client-firehose/src/protocols/Aws_json1_1.ts
+++ b/clients/client-firehose/src/protocols/Aws_json1_1.ts
@@ -3114,8 +3114,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-fis/src/protocols/Aws_restJson1.ts b/clients/client-fis/src/protocols/Aws_restJson1.ts
index 2e0ec3a436b0..b2278fa32dc8 100644
--- a/clients/client-fis/src/protocols/Aws_restJson1.ts
+++ b/clients/client-fis/src/protocols/Aws_restJson1.ts
@@ -2410,8 +2410,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-fms/src/protocols/Aws_json1_1.ts b/clients/client-fms/src/protocols/Aws_json1_1.ts
index 126837f91b2f..bbe496a08dae 100644
--- a/clients/client-fms/src/protocols/Aws_json1_1.ts
+++ b/clients/client-fms/src/protocols/Aws_json1_1.ts
@@ -4397,8 +4397,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-forecast/src/protocols/Aws_json1_1.ts b/clients/client-forecast/src/protocols/Aws_json1_1.ts
index e743b0792746..eec71ae4bbda 100644
--- a/clients/client-forecast/src/protocols/Aws_json1_1.ts
+++ b/clients/client-forecast/src/protocols/Aws_json1_1.ts
@@ -7501,8 +7501,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-forecastquery/src/protocols/Aws_json1_1.ts b/clients/client-forecastquery/src/protocols/Aws_json1_1.ts
index d575995e3769..00581fe8adfc 100644
--- a/clients/client-forecastquery/src/protocols/Aws_json1_1.ts
+++ b/clients/client-forecastquery/src/protocols/Aws_json1_1.ts
@@ -406,8 +406,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-frauddetector/src/protocols/Aws_json1_1.ts b/clients/client-frauddetector/src/protocols/Aws_json1_1.ts
index 516548872c59..86e69576b37a 100644
--- a/clients/client-frauddetector/src/protocols/Aws_json1_1.ts
+++ b/clients/client-frauddetector/src/protocols/Aws_json1_1.ts
@@ -7890,8 +7890,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-fsx/src/protocols/Aws_json1_1.ts b/clients/client-fsx/src/protocols/Aws_json1_1.ts
index 66952f01770b..b7cc01b1c175 100644
--- a/clients/client-fsx/src/protocols/Aws_json1_1.ts
+++ b/clients/client-fsx/src/protocols/Aws_json1_1.ts
@@ -6269,8 +6269,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-gamelift/src/protocols/Aws_json1_1.ts b/clients/client-gamelift/src/protocols/Aws_json1_1.ts
index 5bb0007a2c8f..d7ff03a52f38 100644
--- a/clients/client-gamelift/src/protocols/Aws_json1_1.ts
+++ b/clients/client-gamelift/src/protocols/Aws_json1_1.ts
@@ -10795,8 +10795,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-gamesparks/src/protocols/Aws_restJson1.ts b/clients/client-gamesparks/src/protocols/Aws_restJson1.ts
index ff7180e98462..3574ee70dc15 100644
--- a/clients/client-gamesparks/src/protocols/Aws_restJson1.ts
+++ b/clients/client-gamesparks/src/protocols/Aws_restJson1.ts
@@ -3222,8 +3222,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-glacier/src/protocols/Aws_restJson1.ts b/clients/client-glacier/src/protocols/Aws_restJson1.ts
index 69ac6fee8457..3a6e505f6a96 100644
--- a/clients/client-glacier/src/protocols/Aws_restJson1.ts
+++ b/clients/client-glacier/src/protocols/Aws_restJson1.ts
@@ -3479,8 +3479,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-global-accelerator/src/protocols/Aws_json1_1.ts b/clients/client-global-accelerator/src/protocols/Aws_json1_1.ts
index 68ec4845477e..db68ffc2103f 100644
--- a/clients/client-global-accelerator/src/protocols/Aws_json1_1.ts
+++ b/clients/client-global-accelerator/src/protocols/Aws_json1_1.ts
@@ -5268,8 +5268,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-glue/src/protocols/Aws_json1_1.ts b/clients/client-glue/src/protocols/Aws_json1_1.ts
index 21749c6478ea..712e60e17f9b 100644
--- a/clients/client-glue/src/protocols/Aws_json1_1.ts
+++ b/clients/client-glue/src/protocols/Aws_json1_1.ts
@@ -24275,8 +24275,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-grafana/src/protocols/Aws_restJson1.ts b/clients/client-grafana/src/protocols/Aws_restJson1.ts
index a3d9f3d4931f..7ef8dd318103 100644
--- a/clients/client-grafana/src/protocols/Aws_restJson1.ts
+++ b/clients/client-grafana/src/protocols/Aws_restJson1.ts
@@ -2077,8 +2077,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-greengrass/src/protocols/Aws_restJson1.ts b/clients/client-greengrass/src/protocols/Aws_restJson1.ts
index 1f8f6c996cb4..49a9232e21d8 100644
--- a/clients/client-greengrass/src/protocols/Aws_restJson1.ts
+++ b/clients/client-greengrass/src/protocols/Aws_restJson1.ts
@@ -8715,8 +8715,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-greengrassv2/src/protocols/Aws_restJson1.ts b/clients/client-greengrassv2/src/protocols/Aws_restJson1.ts
index 9aa846c99067..83b4c2dddc28 100644
--- a/clients/client-greengrassv2/src/protocols/Aws_restJson1.ts
+++ b/clients/client-greengrassv2/src/protocols/Aws_restJson1.ts
@@ -3878,8 +3878,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-groundstation/src/protocols/Aws_restJson1.ts b/clients/client-groundstation/src/protocols/Aws_restJson1.ts
index ca60e03fbb10..dc888e3cff2e 100644
--- a/clients/client-groundstation/src/protocols/Aws_restJson1.ts
+++ b/clients/client-groundstation/src/protocols/Aws_restJson1.ts
@@ -2961,8 +2961,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-guardduty/src/protocols/Aws_restJson1.ts b/clients/client-guardduty/src/protocols/Aws_restJson1.ts
index 30f014082aa9..6db2f68eb811 100644
--- a/clients/client-guardduty/src/protocols/Aws_restJson1.ts
+++ b/clients/client-guardduty/src/protocols/Aws_restJson1.ts
@@ -7264,8 +7264,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-health/src/protocols/Aws_json1_1.ts b/clients/client-health/src/protocols/Aws_json1_1.ts
index d492eebe35ba..69f270be5e49 100644
--- a/clients/client-health/src/protocols/Aws_json1_1.ts
+++ b/clients/client-health/src/protocols/Aws_json1_1.ts
@@ -1769,8 +1769,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-healthlake/src/protocols/Aws_json1_0.ts b/clients/client-healthlake/src/protocols/Aws_json1_0.ts
index 63a9ac2e5953..6b3f9f0a4931 100644
--- a/clients/client-healthlake/src/protocols/Aws_json1_0.ts
+++ b/clients/client-healthlake/src/protocols/Aws_json1_0.ts
@@ -1611,8 +1611,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-honeycode/src/protocols/Aws_restJson1.ts b/clients/client-honeycode/src/protocols/Aws_restJson1.ts
index 06c5cbba316e..ce8e8bfa51ae 100644
--- a/clients/client-honeycode/src/protocols/Aws_restJson1.ts
+++ b/clients/client-honeycode/src/protocols/Aws_restJson1.ts
@@ -2247,8 +2247,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-iam/src/protocols/Aws_query.ts b/clients/client-iam/src/protocols/Aws_query.ts
index e1e18556c9bf..4c8c58e53536 100644
--- a/clients/client-iam/src/protocols/Aws_query.ts
+++ b/clients/client-iam/src/protocols/Aws_query.ts
@@ -17393,8 +17393,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-identitystore/src/protocols/Aws_json1_1.ts b/clients/client-identitystore/src/protocols/Aws_json1_1.ts
index 2d02634d2974..b798ba66f1e3 100644
--- a/clients/client-identitystore/src/protocols/Aws_json1_1.ts
+++ b/clients/client-identitystore/src/protocols/Aws_json1_1.ts
@@ -2314,8 +2314,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-imagebuilder/src/protocols/Aws_restJson1.ts b/clients/client-imagebuilder/src/protocols/Aws_restJson1.ts
index c6506fba815c..55ca1e5aaa4f 100644
--- a/clients/client-imagebuilder/src/protocols/Aws_restJson1.ts
+++ b/clients/client-imagebuilder/src/protocols/Aws_restJson1.ts
@@ -6666,8 +6666,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-inspector/src/protocols/Aws_json1_1.ts b/clients/client-inspector/src/protocols/Aws_json1_1.ts
index 9a8dd8b48160..07f28f725eb4 100644
--- a/clients/client-inspector/src/protocols/Aws_json1_1.ts
+++ b/clients/client-inspector/src/protocols/Aws_json1_1.ts
@@ -4607,8 +4607,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-inspector2/src/protocols/Aws_restJson1.ts b/clients/client-inspector2/src/protocols/Aws_restJson1.ts
index 6d146aba09c7..ea7897eb3ab3 100644
--- a/clients/client-inspector2/src/protocols/Aws_restJson1.ts
+++ b/clients/client-inspector2/src/protocols/Aws_restJson1.ts
@@ -4697,8 +4697,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-iot-1click-devices-service/src/protocols/Aws_restJson1.ts b/clients/client-iot-1click-devices-service/src/protocols/Aws_restJson1.ts
index 9d77e264d0b4..8bc21c212d41 100644
--- a/clients/client-iot-1click-devices-service/src/protocols/Aws_restJson1.ts
+++ b/clients/client-iot-1click-devices-service/src/protocols/Aws_restJson1.ts
@@ -1290,8 +1290,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-iot-1click-projects/src/protocols/Aws_restJson1.ts b/clients/client-iot-1click-projects/src/protocols/Aws_restJson1.ts
index 2f5e6fae8390..f720e443d691 100644
--- a/clients/client-iot-1click-projects/src/protocols/Aws_restJson1.ts
+++ b/clients/client-iot-1click-projects/src/protocols/Aws_restJson1.ts
@@ -1679,8 +1679,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-iot-data-plane/src/protocols/Aws_restJson1.ts b/clients/client-iot-data-plane/src/protocols/Aws_restJson1.ts
index f2e912b00688..fdba2ef1b5e5 100644
--- a/clients/client-iot-data-plane/src/protocols/Aws_restJson1.ts
+++ b/clients/client-iot-data-plane/src/protocols/Aws_restJson1.ts
@@ -883,8 +883,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-iot-events-data/src/protocols/Aws_restJson1.ts b/clients/client-iot-events-data/src/protocols/Aws_restJson1.ts
index 4810046e5fb6..0da0f36f4d92 100644
--- a/clients/client-iot-events-data/src/protocols/Aws_restJson1.ts
+++ b/clients/client-iot-events-data/src/protocols/Aws_restJson1.ts
@@ -1752,8 +1752,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-iot-events/src/protocols/Aws_restJson1.ts b/clients/client-iot-events/src/protocols/Aws_restJson1.ts
index 12da0b33ee63..6c92616f3c09 100644
--- a/clients/client-iot-events/src/protocols/Aws_restJson1.ts
+++ b/clients/client-iot-events/src/protocols/Aws_restJson1.ts
@@ -3948,8 +3948,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-iot-jobs-data-plane/src/protocols/Aws_restJson1.ts b/clients/client-iot-jobs-data-plane/src/protocols/Aws_restJson1.ts
index 6488177265a8..b8f9a5721729 100644
--- a/clients/client-iot-jobs-data-plane/src/protocols/Aws_restJson1.ts
+++ b/clients/client-iot-jobs-data-plane/src/protocols/Aws_restJson1.ts
@@ -605,8 +605,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-iot-wireless/src/protocols/Aws_restJson1.ts b/clients/client-iot-wireless/src/protocols/Aws_restJson1.ts
index 0a60f4557c2b..7305f75a6d20 100644
--- a/clients/client-iot-wireless/src/protocols/Aws_restJson1.ts
+++ b/clients/client-iot-wireless/src/protocols/Aws_restJson1.ts
@@ -10606,8 +10606,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-iot/src/protocols/Aws_restJson1.ts b/clients/client-iot/src/protocols/Aws_restJson1.ts
index b2cf27b5406e..d46d8367daa2 100644
--- a/clients/client-iot/src/protocols/Aws_restJson1.ts
+++ b/clients/client-iot/src/protocols/Aws_restJson1.ts
@@ -26973,8 +26973,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-iotanalytics/src/protocols/Aws_restJson1.ts b/clients/client-iotanalytics/src/protocols/Aws_restJson1.ts
index a39bcb0badb4..f415f0e5f3d5 100644
--- a/clients/client-iotanalytics/src/protocols/Aws_restJson1.ts
+++ b/clients/client-iotanalytics/src/protocols/Aws_restJson1.ts
@@ -4954,8 +4954,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-iotdeviceadvisor/src/protocols/Aws_restJson1.ts b/clients/client-iotdeviceadvisor/src/protocols/Aws_restJson1.ts
index e79168c0fed5..6d917981ed99 100644
--- a/clients/client-iotdeviceadvisor/src/protocols/Aws_restJson1.ts
+++ b/clients/client-iotdeviceadvisor/src/protocols/Aws_restJson1.ts
@@ -1563,8 +1563,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-iotfleethub/src/protocols/Aws_restJson1.ts b/clients/client-iotfleethub/src/protocols/Aws_restJson1.ts
index c6e149273696..b8acf6f3fad8 100644
--- a/clients/client-iotfleethub/src/protocols/Aws_restJson1.ts
+++ b/clients/client-iotfleethub/src/protocols/Aws_restJson1.ts
@@ -855,8 +855,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-iotfleetwise/src/protocols/Aws_json1_0.ts b/clients/client-iotfleetwise/src/protocols/Aws_json1_0.ts
index 2714ac6e07eb..b62a4c167b9e 100644
--- a/clients/client-iotfleetwise/src/protocols/Aws_json1_0.ts
+++ b/clients/client-iotfleetwise/src/protocols/Aws_json1_0.ts
@@ -6173,8 +6173,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-iotsecuretunneling/src/protocols/Aws_json1_1.ts b/clients/client-iotsecuretunneling/src/protocols/Aws_json1_1.ts
index a1aec9863429..0802d55558c1 100644
--- a/clients/client-iotsecuretunneling/src/protocols/Aws_json1_1.ts
+++ b/clients/client-iotsecuretunneling/src/protocols/Aws_json1_1.ts
@@ -859,8 +859,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-iotsitewise/src/protocols/Aws_restJson1.ts b/clients/client-iotsitewise/src/protocols/Aws_restJson1.ts
index b7d0a65e1fa6..61adc8ea604c 100644
--- a/clients/client-iotsitewise/src/protocols/Aws_restJson1.ts
+++ b/clients/client-iotsitewise/src/protocols/Aws_restJson1.ts
@@ -9082,8 +9082,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-iotthingsgraph/src/protocols/Aws_json1_1.ts b/clients/client-iotthingsgraph/src/protocols/Aws_json1_1.ts
index 589c4110731b..4d73870221e3 100644
--- a/clients/client-iotthingsgraph/src/protocols/Aws_json1_1.ts
+++ b/clients/client-iotthingsgraph/src/protocols/Aws_json1_1.ts
@@ -3695,8 +3695,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-iottwinmaker/src/protocols/Aws_restJson1.ts b/clients/client-iottwinmaker/src/protocols/Aws_restJson1.ts
index e95a4f683d77..bb10f10c263b 100644
--- a/clients/client-iottwinmaker/src/protocols/Aws_restJson1.ts
+++ b/clients/client-iottwinmaker/src/protocols/Aws_restJson1.ts
@@ -3738,8 +3738,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-ivs/src/protocols/Aws_restJson1.ts b/clients/client-ivs/src/protocols/Aws_restJson1.ts
index 2d385167ae98..7ef50e03d981 100644
--- a/clients/client-ivs/src/protocols/Aws_restJson1.ts
+++ b/clients/client-ivs/src/protocols/Aws_restJson1.ts
@@ -2802,8 +2802,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-ivschat/src/protocols/Aws_restJson1.ts b/clients/client-ivschat/src/protocols/Aws_restJson1.ts
index 4eb400ac6de6..85ec0a81e02d 100644
--- a/clients/client-ivschat/src/protocols/Aws_restJson1.ts
+++ b/clients/client-ivschat/src/protocols/Aws_restJson1.ts
@@ -1351,8 +1351,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-kafka/src/protocols/Aws_restJson1.ts b/clients/client-kafka/src/protocols/Aws_restJson1.ts
index 6633000c7d70..44c020f3c453 100644
--- a/clients/client-kafka/src/protocols/Aws_restJson1.ts
+++ b/clients/client-kafka/src/protocols/Aws_restJson1.ts
@@ -4388,8 +4388,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-kafkaconnect/src/protocols/Aws_restJson1.ts b/clients/client-kafkaconnect/src/protocols/Aws_restJson1.ts
index 9637d30ece91..bf07f9a1eabd 100644
--- a/clients/client-kafkaconnect/src/protocols/Aws_restJson1.ts
+++ b/clients/client-kafkaconnect/src/protocols/Aws_restJson1.ts
@@ -2169,8 +2169,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-kendra/src/protocols/Aws_json1_1.ts b/clients/client-kendra/src/protocols/Aws_json1_1.ts
index 900553b7dbfe..1663fb5ed39f 100644
--- a/clients/client-kendra/src/protocols/Aws_json1_1.ts
+++ b/clients/client-kendra/src/protocols/Aws_json1_1.ts
@@ -11008,8 +11008,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-keyspaces/src/protocols/Aws_json1_0.ts b/clients/client-keyspaces/src/protocols/Aws_json1_0.ts
index d213e47001dc..13e701a8415b 100644
--- a/clients/client-keyspaces/src/protocols/Aws_json1_0.ts
+++ b/clients/client-keyspaces/src/protocols/Aws_json1_0.ts
@@ -1703,8 +1703,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-kinesis-analytics-v2/src/protocols/Aws_json1_1.ts b/clients/client-kinesis-analytics-v2/src/protocols/Aws_json1_1.ts
index 33a425e9cfdf..1ac4b2395ba9 100644
--- a/clients/client-kinesis-analytics-v2/src/protocols/Aws_json1_1.ts
+++ b/clients/client-kinesis-analytics-v2/src/protocols/Aws_json1_1.ts
@@ -5555,8 +5555,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-kinesis-analytics/src/protocols/Aws_json1_1.ts b/clients/client-kinesis-analytics/src/protocols/Aws_json1_1.ts
index 41b7c1bc7e7a..17801005f74d 100644
--- a/clients/client-kinesis-analytics/src/protocols/Aws_json1_1.ts
+++ b/clients/client-kinesis-analytics/src/protocols/Aws_json1_1.ts
@@ -3165,8 +3165,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-kinesis-video-archived-media/src/protocols/Aws_restJson1.ts b/clients/client-kinesis-video-archived-media/src/protocols/Aws_restJson1.ts
index 2904a4482a26..63228660d584 100644
--- a/clients/client-kinesis-video-archived-media/src/protocols/Aws_restJson1.ts
+++ b/clients/client-kinesis-video-archived-media/src/protocols/Aws_restJson1.ts
@@ -904,8 +904,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-kinesis-video-media/src/protocols/Aws_restJson1.ts b/clients/client-kinesis-video-media/src/protocols/Aws_restJson1.ts
index 301e0a2332fd..a8c448fd8f14 100644
--- a/clients/client-kinesis-video-media/src/protocols/Aws_restJson1.ts
+++ b/clients/client-kinesis-video-media/src/protocols/Aws_restJson1.ts
@@ -247,8 +247,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-kinesis-video-signaling/src/protocols/Aws_restJson1.ts b/clients/client-kinesis-video-signaling/src/protocols/Aws_restJson1.ts
index 28220ae1caaa..595f5319265b 100644
--- a/clients/client-kinesis-video-signaling/src/protocols/Aws_restJson1.ts
+++ b/clients/client-kinesis-video-signaling/src/protocols/Aws_restJson1.ts
@@ -356,8 +356,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-kinesis-video/src/protocols/Aws_restJson1.ts b/clients/client-kinesis-video/src/protocols/Aws_restJson1.ts
index 1d3c3db10b1a..9931cb6f7965 100644
--- a/clients/client-kinesis-video/src/protocols/Aws_restJson1.ts
+++ b/clients/client-kinesis-video/src/protocols/Aws_restJson1.ts
@@ -2518,8 +2518,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-kinesis/src/protocols/Aws_json1_1.ts b/clients/client-kinesis/src/protocols/Aws_json1_1.ts
index 1d970bb0f518..a0b4f2a95b3b 100644
--- a/clients/client-kinesis/src/protocols/Aws_json1_1.ts
+++ b/clients/client-kinesis/src/protocols/Aws_json1_1.ts
@@ -3311,8 +3311,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-kms/src/protocols/Aws_json1_1.ts b/clients/client-kms/src/protocols/Aws_json1_1.ts
index f0852d3f0fd6..f914c4b2932a 100644
--- a/clients/client-kms/src/protocols/Aws_json1_1.ts
+++ b/clients/client-kms/src/protocols/Aws_json1_1.ts
@@ -5692,8 +5692,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-lakeformation/src/protocols/Aws_restJson1.ts b/clients/client-lakeformation/src/protocols/Aws_restJson1.ts
index 28053d1f7f91..0bb76d25fd8b 100644
--- a/clients/client-lakeformation/src/protocols/Aws_restJson1.ts
+++ b/clients/client-lakeformation/src/protocols/Aws_restJson1.ts
@@ -5343,8 +5343,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-lambda/src/protocols/Aws_restJson1.ts b/clients/client-lambda/src/protocols/Aws_restJson1.ts
index 5a24092a320e..6b81ca5ea4ca 100644
--- a/clients/client-lambda/src/protocols/Aws_restJson1.ts
+++ b/clients/client-lambda/src/protocols/Aws_restJson1.ts
@@ -8818,8 +8818,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-lex-model-building-service/src/protocols/Aws_restJson1.ts b/clients/client-lex-model-building-service/src/protocols/Aws_restJson1.ts
index dbf4f5e80b6c..1b4cafca16ce 100644
--- a/clients/client-lex-model-building-service/src/protocols/Aws_restJson1.ts
+++ b/clients/client-lex-model-building-service/src/protocols/Aws_restJson1.ts
@@ -5146,8 +5146,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-lex-models-v2/src/protocols/Aws_restJson1.ts b/clients/client-lex-models-v2/src/protocols/Aws_restJson1.ts
index 11b0ad77e727..e8ac84bd25da 100644
--- a/clients/client-lex-models-v2/src/protocols/Aws_restJson1.ts
+++ b/clients/client-lex-models-v2/src/protocols/Aws_restJson1.ts
@@ -10879,8 +10879,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-lex-runtime-service/src/protocols/Aws_restJson1.ts b/clients/client-lex-runtime-service/src/protocols/Aws_restJson1.ts
index e328574c8e01..bb8aaab64521 100644
--- a/clients/client-lex-runtime-service/src/protocols/Aws_restJson1.ts
+++ b/clients/client-lex-runtime-service/src/protocols/Aws_restJson1.ts
@@ -1138,8 +1138,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-lex-runtime-v2/src/protocols/Aws_restJson1.ts b/clients/client-lex-runtime-v2/src/protocols/Aws_restJson1.ts
index 869759a09a7c..f8628f02ed81 100644
--- a/clients/client-lex-runtime-v2/src/protocols/Aws_restJson1.ts
+++ b/clients/client-lex-runtime-v2/src/protocols/Aws_restJson1.ts
@@ -1840,8 +1840,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-license-manager-user-subscriptions/src/protocols/Aws_restJson1.ts b/clients/client-license-manager-user-subscriptions/src/protocols/Aws_restJson1.ts
index fcd3c2742d53..e6993aec3383 100644
--- a/clients/client-license-manager-user-subscriptions/src/protocols/Aws_restJson1.ts
+++ b/clients/client-license-manager-user-subscriptions/src/protocols/Aws_restJson1.ts
@@ -1294,8 +1294,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-license-manager/src/protocols/Aws_json1_1.ts b/clients/client-license-manager/src/protocols/Aws_json1_1.ts
index 430f74d3bf20..5ba90212869a 100644
--- a/clients/client-license-manager/src/protocols/Aws_json1_1.ts
+++ b/clients/client-license-manager/src/protocols/Aws_json1_1.ts
@@ -6259,8 +6259,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-lightsail/src/protocols/Aws_json1_1.ts b/clients/client-lightsail/src/protocols/Aws_json1_1.ts
index 17ca36d85208..7b61e48c90c6 100644
--- a/clients/client-lightsail/src/protocols/Aws_json1_1.ts
+++ b/clients/client-lightsail/src/protocols/Aws_json1_1.ts
@@ -17668,8 +17668,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-location/src/protocols/Aws_restJson1.ts b/clients/client-location/src/protocols/Aws_restJson1.ts
index fcfb64f156b3..c89d366b7846 100644
--- a/clients/client-location/src/protocols/Aws_restJson1.ts
+++ b/clients/client-location/src/protocols/Aws_restJson1.ts
@@ -6370,8 +6370,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-lookoutequipment/src/protocols/Aws_json1_0.ts b/clients/client-lookoutequipment/src/protocols/Aws_json1_0.ts
index 9c1bb38e4a54..3a5a73e9d83e 100644
--- a/clients/client-lookoutequipment/src/protocols/Aws_json1_0.ts
+++ b/clients/client-lookoutequipment/src/protocols/Aws_json1_0.ts
@@ -4088,8 +4088,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-lookoutmetrics/src/protocols/Aws_restJson1.ts b/clients/client-lookoutmetrics/src/protocols/Aws_restJson1.ts
index 58f82dca01b9..133f6236af67 100644
--- a/clients/client-lookoutmetrics/src/protocols/Aws_restJson1.ts
+++ b/clients/client-lookoutmetrics/src/protocols/Aws_restJson1.ts
@@ -4373,8 +4373,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-lookoutvision/src/protocols/Aws_restJson1.ts b/clients/client-lookoutvision/src/protocols/Aws_restJson1.ts
index e8028de7a9b3..89b6c45a7cfa 100644
--- a/clients/client-lookoutvision/src/protocols/Aws_restJson1.ts
+++ b/clients/client-lookoutvision/src/protocols/Aws_restJson1.ts
@@ -2630,8 +2630,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-m2/src/protocols/Aws_restJson1.ts b/clients/client-m2/src/protocols/Aws_restJson1.ts
index f91dab2f2604..026587ac96af 100644
--- a/clients/client-m2/src/protocols/Aws_restJson1.ts
+++ b/clients/client-m2/src/protocols/Aws_restJson1.ts
@@ -4054,8 +4054,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-machine-learning/src/protocols/Aws_json1_1.ts b/clients/client-machine-learning/src/protocols/Aws_json1_1.ts
index ea1d6903e720..550a14f71ebc 100644
--- a/clients/client-machine-learning/src/protocols/Aws_json1_1.ts
+++ b/clients/client-machine-learning/src/protocols/Aws_json1_1.ts
@@ -3132,8 +3132,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-macie/src/protocols/Aws_json1_1.ts b/clients/client-macie/src/protocols/Aws_json1_1.ts
index 0d10388494e6..458ffb768d74 100644
--- a/clients/client-macie/src/protocols/Aws_json1_1.ts
+++ b/clients/client-macie/src/protocols/Aws_json1_1.ts
@@ -893,8 +893,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-macie2/src/protocols/Aws_restJson1.ts b/clients/client-macie2/src/protocols/Aws_restJson1.ts
index bcb7cdde2f79..fd4592ba7817 100644
--- a/clients/client-macie2/src/protocols/Aws_restJson1.ts
+++ b/clients/client-macie2/src/protocols/Aws_restJson1.ts
@@ -8324,8 +8324,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-managedblockchain/src/protocols/Aws_restJson1.ts b/clients/client-managedblockchain/src/protocols/Aws_restJson1.ts
index e59f9a9f847b..9eb5bde57805 100644
--- a/clients/client-managedblockchain/src/protocols/Aws_restJson1.ts
+++ b/clients/client-managedblockchain/src/protocols/Aws_restJson1.ts
@@ -2808,8 +2808,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-marketplace-catalog/src/protocols/Aws_restJson1.ts b/clients/client-marketplace-catalog/src/protocols/Aws_restJson1.ts
index 7eaf0472e87c..e3cca8e4dcef 100644
--- a/clients/client-marketplace-catalog/src/protocols/Aws_restJson1.ts
+++ b/clients/client-marketplace-catalog/src/protocols/Aws_restJson1.ts
@@ -908,8 +908,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-marketplace-commerce-analytics/src/protocols/Aws_json1_1.ts b/clients/client-marketplace-commerce-analytics/src/protocols/Aws_json1_1.ts
index 8c055dd00384..32cf45965129 100644
--- a/clients/client-marketplace-commerce-analytics/src/protocols/Aws_json1_1.ts
+++ b/clients/client-marketplace-commerce-analytics/src/protocols/Aws_json1_1.ts
@@ -268,8 +268,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-marketplace-entitlement-service/src/protocols/Aws_json1_1.ts b/clients/client-marketplace-entitlement-service/src/protocols/Aws_json1_1.ts
index 8627c794c8e5..bcd66c3e7bcc 100644
--- a/clients/client-marketplace-entitlement-service/src/protocols/Aws_json1_1.ts
+++ b/clients/client-marketplace-entitlement-service/src/protocols/Aws_json1_1.ts
@@ -289,8 +289,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-marketplace-metering/src/protocols/Aws_json1_1.ts b/clients/client-marketplace-metering/src/protocols/Aws_json1_1.ts
index ab052cc481c5..f282f9587965 100644
--- a/clients/client-marketplace-metering/src/protocols/Aws_json1_1.ts
+++ b/clients/client-marketplace-metering/src/protocols/Aws_json1_1.ts
@@ -966,8 +966,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-mediaconnect/src/protocols/Aws_restJson1.ts b/clients/client-mediaconnect/src/protocols/Aws_restJson1.ts
index e8610784e8b2..17d0c50b3790 100644
--- a/clients/client-mediaconnect/src/protocols/Aws_restJson1.ts
+++ b/clients/client-mediaconnect/src/protocols/Aws_restJson1.ts
@@ -3786,8 +3786,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-mediaconvert/src/protocols/Aws_restJson1.ts b/clients/client-mediaconvert/src/protocols/Aws_restJson1.ts
index 29563a26e857..60ae3bb70ee8 100644
--- a/clients/client-mediaconvert/src/protocols/Aws_restJson1.ts
+++ b/clients/client-mediaconvert/src/protocols/Aws_restJson1.ts
@@ -8681,8 +8681,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-medialive/src/protocols/Aws_restJson1.ts b/clients/client-medialive/src/protocols/Aws_restJson1.ts
index df8b510c51e6..4aebab1b573a 100644
--- a/clients/client-medialive/src/protocols/Aws_restJson1.ts
+++ b/clients/client-medialive/src/protocols/Aws_restJson1.ts
@@ -12737,8 +12737,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-mediapackage-vod/src/protocols/Aws_restJson1.ts b/clients/client-mediapackage-vod/src/protocols/Aws_restJson1.ts
index d38cae34fdc0..1778b2def738 100644
--- a/clients/client-mediapackage-vod/src/protocols/Aws_restJson1.ts
+++ b/clients/client-mediapackage-vod/src/protocols/Aws_restJson1.ts
@@ -2254,8 +2254,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-mediapackage/src/protocols/Aws_restJson1.ts b/clients/client-mediapackage/src/protocols/Aws_restJson1.ts
index 63bce8a236d1..a842106818c7 100644
--- a/clients/client-mediapackage/src/protocols/Aws_restJson1.ts
+++ b/clients/client-mediapackage/src/protocols/Aws_restJson1.ts
@@ -2662,8 +2662,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-mediastore-data/src/protocols/Aws_restJson1.ts b/clients/client-mediastore-data/src/protocols/Aws_restJson1.ts
index f5cef93cb311..d475e95324bf 100644
--- a/clients/client-mediastore-data/src/protocols/Aws_restJson1.ts
+++ b/clients/client-mediastore-data/src/protocols/Aws_restJson1.ts
@@ -535,8 +535,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-mediastore/src/protocols/Aws_json1_1.ts b/clients/client-mediastore/src/protocols/Aws_json1_1.ts
index 286b7291219f..c27d82e25993 100644
--- a/clients/client-mediastore/src/protocols/Aws_json1_1.ts
+++ b/clients/client-mediastore/src/protocols/Aws_json1_1.ts
@@ -2089,8 +2089,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-mediatailor/src/protocols/Aws_restJson1.ts b/clients/client-mediatailor/src/protocols/Aws_restJson1.ts
index f4befff4c9bb..60fb1ee083c8 100644
--- a/clients/client-mediatailor/src/protocols/Aws_restJson1.ts
+++ b/clients/client-mediatailor/src/protocols/Aws_restJson1.ts
@@ -4419,8 +4419,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-memorydb/src/protocols/Aws_json1_1.ts b/clients/client-memorydb/src/protocols/Aws_json1_1.ts
index 5474c7f22ae0..f900fae3f19a 100644
--- a/clients/client-memorydb/src/protocols/Aws_json1_1.ts
+++ b/clients/client-memorydb/src/protocols/Aws_json1_1.ts
@@ -5111,8 +5111,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-mgn/src/protocols/Aws_restJson1.ts b/clients/client-mgn/src/protocols/Aws_restJson1.ts
index 9a780f192b9d..02a237d7fcc5 100644
--- a/clients/client-mgn/src/protocols/Aws_restJson1.ts
+++ b/clients/client-mgn/src/protocols/Aws_restJson1.ts
@@ -4371,8 +4371,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-migration-hub-refactor-spaces/src/protocols/Aws_restJson1.ts b/clients/client-migration-hub-refactor-spaces/src/protocols/Aws_restJson1.ts
index c3112ad58154..9b2303d22a72 100644
--- a/clients/client-migration-hub-refactor-spaces/src/protocols/Aws_restJson1.ts
+++ b/clients/client-migration-hub-refactor-spaces/src/protocols/Aws_restJson1.ts
@@ -3234,8 +3234,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-migration-hub/src/protocols/Aws_json1_1.ts b/clients/client-migration-hub/src/protocols/Aws_json1_1.ts
index c960fc792e8a..a8e68f809b14 100644
--- a/clients/client-migration-hub/src/protocols/Aws_json1_1.ts
+++ b/clients/client-migration-hub/src/protocols/Aws_json1_1.ts
@@ -2239,8 +2239,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-migrationhub-config/src/protocols/Aws_json1_1.ts b/clients/client-migrationhub-config/src/protocols/Aws_json1_1.ts
index 2d7243d48ae4..bc20844f7db5 100644
--- a/clients/client-migrationhub-config/src/protocols/Aws_json1_1.ts
+++ b/clients/client-migrationhub-config/src/protocols/Aws_json1_1.ts
@@ -511,8 +511,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-migrationhubstrategy/src/protocols/Aws_restJson1.ts b/clients/client-migrationhubstrategy/src/protocols/Aws_restJson1.ts
index dcecdfe6ab68..8f04386e8163 100644
--- a/clients/client-migrationhubstrategy/src/protocols/Aws_restJson1.ts
+++ b/clients/client-migrationhubstrategy/src/protocols/Aws_restJson1.ts
@@ -2890,8 +2890,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-mobile/src/protocols/Aws_restJson1.ts b/clients/client-mobile/src/protocols/Aws_restJson1.ts
index 650dc60a2fc3..0af72dd8b138 100644
--- a/clients/client-mobile/src/protocols/Aws_restJson1.ts
+++ b/clients/client-mobile/src/protocols/Aws_restJson1.ts
@@ -1057,8 +1057,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-mq/src/protocols/Aws_restJson1.ts b/clients/client-mq/src/protocols/Aws_restJson1.ts
index 2f9ea6559ac1..4d8f19f8da4d 100644
--- a/clients/client-mq/src/protocols/Aws_restJson1.ts
+++ b/clients/client-mq/src/protocols/Aws_restJson1.ts
@@ -2657,8 +2657,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-mturk/src/protocols/Aws_json1_1.ts b/clients/client-mturk/src/protocols/Aws_json1_1.ts
index 2ca701e6a786..85f159d7e2da 100644
--- a/clients/client-mturk/src/protocols/Aws_json1_1.ts
+++ b/clients/client-mturk/src/protocols/Aws_json1_1.ts
@@ -3932,8 +3932,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-mwaa/src/protocols/Aws_restJson1.ts b/clients/client-mwaa/src/protocols/Aws_restJson1.ts
index 93f947457476..6716976e3ac0 100644
--- a/clients/client-mwaa/src/protocols/Aws_restJson1.ts
+++ b/clients/client-mwaa/src/protocols/Aws_restJson1.ts
@@ -1364,8 +1364,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-neptune/src/protocols/Aws_query.ts b/clients/client-neptune/src/protocols/Aws_query.ts
index 1617afb3e524..e001c80389db 100644
--- a/clients/client-neptune/src/protocols/Aws_query.ts
+++ b/clients/client-neptune/src/protocols/Aws_query.ts
@@ -12069,8 +12069,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-network-firewall/src/protocols/Aws_json1_0.ts b/clients/client-network-firewall/src/protocols/Aws_json1_0.ts
index 3087f95453e8..87ee138fa4bf 100644
--- a/clients/client-network-firewall/src/protocols/Aws_json1_0.ts
+++ b/clients/client-network-firewall/src/protocols/Aws_json1_0.ts
@@ -4709,8 +4709,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-networkmanager/src/protocols/Aws_restJson1.ts b/clients/client-networkmanager/src/protocols/Aws_restJson1.ts
index a733cb40672a..fab1f48fa2dd 100644
--- a/clients/client-networkmanager/src/protocols/Aws_restJson1.ts
+++ b/clients/client-networkmanager/src/protocols/Aws_restJson1.ts
@@ -9474,8 +9474,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-nimble/src/protocols/Aws_restJson1.ts b/clients/client-nimble/src/protocols/Aws_restJson1.ts
index b7fc965bb944..3c225775d7f2 100644
--- a/clients/client-nimble/src/protocols/Aws_restJson1.ts
+++ b/clients/client-nimble/src/protocols/Aws_restJson1.ts
@@ -5720,8 +5720,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-opensearch/src/protocols/Aws_restJson1.ts b/clients/client-opensearch/src/protocols/Aws_restJson1.ts
index 2d551b9680d8..33786f1fd1f9 100644
--- a/clients/client-opensearch/src/protocols/Aws_restJson1.ts
+++ b/clients/client-opensearch/src/protocols/Aws_restJson1.ts
@@ -5276,8 +5276,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-opsworks/src/protocols/Aws_json1_1.ts b/clients/client-opsworks/src/protocols/Aws_json1_1.ts
index c2a1700649d7..367b2f91986d 100644
--- a/clients/client-opsworks/src/protocols/Aws_json1_1.ts
+++ b/clients/client-opsworks/src/protocols/Aws_json1_1.ts
@@ -6969,8 +6969,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-opsworkscm/src/protocols/Aws_json1_1.ts b/clients/client-opsworkscm/src/protocols/Aws_json1_1.ts
index b5674f80e025..6af9880caf09 100644
--- a/clients/client-opsworkscm/src/protocols/Aws_json1_1.ts
+++ b/clients/client-opsworkscm/src/protocols/Aws_json1_1.ts
@@ -1971,8 +1971,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-organizations/src/protocols/Aws_json1_1.ts b/clients/client-organizations/src/protocols/Aws_json1_1.ts
index 413feb3f1a0a..32f3ec6c8eff 100644
--- a/clients/client-organizations/src/protocols/Aws_json1_1.ts
+++ b/clients/client-organizations/src/protocols/Aws_json1_1.ts
@@ -6468,8 +6468,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-outposts/src/protocols/Aws_restJson1.ts b/clients/client-outposts/src/protocols/Aws_restJson1.ts
index f03c34b97e3f..f55962f9db2c 100644
--- a/clients/client-outposts/src/protocols/Aws_restJson1.ts
+++ b/clients/client-outposts/src/protocols/Aws_restJson1.ts
@@ -2727,8 +2727,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-panorama/src/protocols/Aws_restJson1.ts b/clients/client-panorama/src/protocols/Aws_restJson1.ts
index cd38374b88cb..453207a356bd 100644
--- a/clients/client-panorama/src/protocols/Aws_restJson1.ts
+++ b/clients/client-panorama/src/protocols/Aws_restJson1.ts
@@ -4101,8 +4101,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-personalize-events/src/protocols/Aws_restJson1.ts b/clients/client-personalize-events/src/protocols/Aws_restJson1.ts
index e799e80a81f3..2089938b22bd 100644
--- a/clients/client-personalize-events/src/protocols/Aws_restJson1.ts
+++ b/clients/client-personalize-events/src/protocols/Aws_restJson1.ts
@@ -372,8 +372,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-personalize-runtime/src/protocols/Aws_restJson1.ts b/clients/client-personalize-runtime/src/protocols/Aws_restJson1.ts
index d8614e756ff6..619e21e8c99c 100644
--- a/clients/client-personalize-runtime/src/protocols/Aws_restJson1.ts
+++ b/clients/client-personalize-runtime/src/protocols/Aws_restJson1.ts
@@ -320,8 +320,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-personalize/src/protocols/Aws_json1_1.ts b/clients/client-personalize/src/protocols/Aws_json1_1.ts
index ba7a80564eaf..9e20d5951fb2 100644
--- a/clients/client-personalize/src/protocols/Aws_json1_1.ts
+++ b/clients/client-personalize/src/protocols/Aws_json1_1.ts
@@ -6752,8 +6752,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-pi/src/protocols/Aws_json1_1.ts b/clients/client-pi/src/protocols/Aws_json1_1.ts
index 9aa94e586839..1a5d6a7ef9cf 100644
--- a/clients/client-pi/src/protocols/Aws_json1_1.ts
+++ b/clients/client-pi/src/protocols/Aws_json1_1.ts
@@ -1056,8 +1056,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-pinpoint-email/src/protocols/Aws_restJson1.ts b/clients/client-pinpoint-email/src/protocols/Aws_restJson1.ts
index 240daad44292..ad53826d08c3 100644
--- a/clients/client-pinpoint-email/src/protocols/Aws_restJson1.ts
+++ b/clients/client-pinpoint-email/src/protocols/Aws_restJson1.ts
@@ -4515,8 +4515,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-pinpoint-sms-voice-v2/src/protocols/Aws_json1_0.ts b/clients/client-pinpoint-sms-voice-v2/src/protocols/Aws_json1_0.ts
index 2e14e81683d9..db5214563358 100644
--- a/clients/client-pinpoint-sms-voice-v2/src/protocols/Aws_json1_0.ts
+++ b/clients/client-pinpoint-sms-voice-v2/src/protocols/Aws_json1_0.ts
@@ -5147,8 +5147,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-pinpoint-sms-voice/src/protocols/Aws_restJson1.ts b/clients/client-pinpoint-sms-voice/src/protocols/Aws_restJson1.ts
index 0c3e63a6896d..e97e104b351b 100644
--- a/clients/client-pinpoint-sms-voice/src/protocols/Aws_restJson1.ts
+++ b/clients/client-pinpoint-sms-voice/src/protocols/Aws_restJson1.ts
@@ -1031,8 +1031,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-pinpoint/src/protocols/Aws_restJson1.ts b/clients/client-pinpoint/src/protocols/Aws_restJson1.ts
index 7cb67dc97d23..b57a4e6759e6 100644
--- a/clients/client-pinpoint/src/protocols/Aws_restJson1.ts
+++ b/clients/client-pinpoint/src/protocols/Aws_restJson1.ts
@@ -15395,8 +15395,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-polly/src/protocols/Aws_restJson1.ts b/clients/client-polly/src/protocols/Aws_restJson1.ts
index f1313a32f809..5521c7d59e96 100644
--- a/clients/client-polly/src/protocols/Aws_restJson1.ts
+++ b/clients/client-polly/src/protocols/Aws_restJson1.ts
@@ -1331,8 +1331,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-pricing/src/protocols/Aws_json1_1.ts b/clients/client-pricing/src/protocols/Aws_json1_1.ts
index 038ab2abaf81..823afe3c3b68 100644
--- a/clients/client-pricing/src/protocols/Aws_json1_1.ts
+++ b/clients/client-pricing/src/protocols/Aws_json1_1.ts
@@ -535,8 +535,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-privatenetworks/src/protocols/Aws_restJson1.ts b/clients/client-privatenetworks/src/protocols/Aws_restJson1.ts
index bb1361b23c8c..ace240a1879c 100644
--- a/clients/client-privatenetworks/src/protocols/Aws_restJson1.ts
+++ b/clients/client-privatenetworks/src/protocols/Aws_restJson1.ts
@@ -2618,8 +2618,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-proton/src/protocols/Aws_json1_0.ts b/clients/client-proton/src/protocols/Aws_json1_0.ts
index 34bfee577253..3bdc22e58308 100644
--- a/clients/client-proton/src/protocols/Aws_json1_0.ts
+++ b/clients/client-proton/src/protocols/Aws_json1_0.ts
@@ -8265,8 +8265,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-qldb-session/src/protocols/Aws_json1_0.ts b/clients/client-qldb-session/src/protocols/Aws_json1_0.ts
index 344d53aa95c7..8b4c65cc42ac 100644
--- a/clients/client-qldb-session/src/protocols/Aws_json1_0.ts
+++ b/clients/client-qldb-session/src/protocols/Aws_json1_0.ts
@@ -508,8 +508,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-qldb/src/protocols/Aws_restJson1.ts b/clients/client-qldb/src/protocols/Aws_restJson1.ts
index 05bc688280df..c68c890cd5fb 100644
--- a/clients/client-qldb/src/protocols/Aws_restJson1.ts
+++ b/clients/client-qldb/src/protocols/Aws_restJson1.ts
@@ -1927,8 +1927,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-quicksight/src/protocols/Aws_restJson1.ts b/clients/client-quicksight/src/protocols/Aws_restJson1.ts
index 8ce68622caea..e0cc652c2283 100644
--- a/clients/client-quicksight/src/protocols/Aws_restJson1.ts
+++ b/clients/client-quicksight/src/protocols/Aws_restJson1.ts
@@ -16725,8 +16725,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-ram/src/protocols/Aws_restJson1.ts b/clients/client-ram/src/protocols/Aws_restJson1.ts
index 64870443e724..ebf0e0af02fd 100644
--- a/clients/client-ram/src/protocols/Aws_restJson1.ts
+++ b/clients/client-ram/src/protocols/Aws_restJson1.ts
@@ -3196,8 +3196,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-rbin/src/protocols/Aws_restJson1.ts b/clients/client-rbin/src/protocols/Aws_restJson1.ts
index 2a3b244f1826..c9bbd579869e 100644
--- a/clients/client-rbin/src/protocols/Aws_restJson1.ts
+++ b/clients/client-rbin/src/protocols/Aws_restJson1.ts
@@ -873,8 +873,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-rds-data/src/protocols/Aws_restJson1.ts b/clients/client-rds-data/src/protocols/Aws_restJson1.ts
index 3e78622ed3b6..3ae67406d738 100644
--- a/clients/client-rds-data/src/protocols/Aws_restJson1.ts
+++ b/clients/client-rds-data/src/protocols/Aws_restJson1.ts
@@ -1140,8 +1140,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-rds/src/protocols/Aws_query.ts b/clients/client-rds/src/protocols/Aws_query.ts
index 0566a1a2c4b1..908e0d7af4c4 100644
--- a/clients/client-rds/src/protocols/Aws_query.ts
+++ b/clients/client-rds/src/protocols/Aws_query.ts
@@ -24120,8 +24120,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-redshift-data/src/protocols/Aws_json1_1.ts b/clients/client-redshift-data/src/protocols/Aws_json1_1.ts
index 90242a565687..1c039a71ece7 100644
--- a/clients/client-redshift-data/src/protocols/Aws_json1_1.ts
+++ b/clients/client-redshift-data/src/protocols/Aws_json1_1.ts
@@ -1370,8 +1370,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-redshift-serverless/src/protocols/Aws_json1_1.ts b/clients/client-redshift-serverless/src/protocols/Aws_json1_1.ts
index 5596f6a8d58c..e6f116a2d67e 100644
--- a/clients/client-redshift-serverless/src/protocols/Aws_json1_1.ts
+++ b/clients/client-redshift-serverless/src/protocols/Aws_json1_1.ts
@@ -3897,8 +3897,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-redshift/src/protocols/Aws_query.ts b/clients/client-redshift/src/protocols/Aws_query.ts
index 6e7548e7897d..394caa1646f3 100644
--- a/clients/client-redshift/src/protocols/Aws_query.ts
+++ b/clients/client-redshift/src/protocols/Aws_query.ts
@@ -19413,8 +19413,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-rekognition/src/protocols/Aws_json1_1.ts b/clients/client-rekognition/src/protocols/Aws_json1_1.ts
index d060cfc7e800..451f51f6746a 100644
--- a/clients/client-rekognition/src/protocols/Aws_json1_1.ts
+++ b/clients/client-rekognition/src/protocols/Aws_json1_1.ts
@@ -8870,8 +8870,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-resiliencehub/src/protocols/Aws_restJson1.ts b/clients/client-resiliencehub/src/protocols/Aws_restJson1.ts
index 0326bcc5f115..146c7ec5f24c 100644
--- a/clients/client-resiliencehub/src/protocols/Aws_restJson1.ts
+++ b/clients/client-resiliencehub/src/protocols/Aws_restJson1.ts
@@ -4573,8 +4573,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-resource-groups-tagging-api/src/protocols/Aws_json1_1.ts b/clients/client-resource-groups-tagging-api/src/protocols/Aws_json1_1.ts
index aa54943b0aca..937dcd82047d 100644
--- a/clients/client-resource-groups-tagging-api/src/protocols/Aws_json1_1.ts
+++ b/clients/client-resource-groups-tagging-api/src/protocols/Aws_json1_1.ts
@@ -1130,8 +1130,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-resource-groups/src/protocols/Aws_restJson1.ts b/clients/client-resource-groups/src/protocols/Aws_restJson1.ts
index d4399479d912..d35cca5c71c4 100644
--- a/clients/client-resource-groups/src/protocols/Aws_restJson1.ts
+++ b/clients/client-resource-groups/src/protocols/Aws_restJson1.ts
@@ -1989,8 +1989,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-robomaker/src/protocols/Aws_restJson1.ts b/clients/client-robomaker/src/protocols/Aws_restJson1.ts
index 34b034d868ec..fc2d2d15ae18 100644
--- a/clients/client-robomaker/src/protocols/Aws_restJson1.ts
+++ b/clients/client-robomaker/src/protocols/Aws_restJson1.ts
@@ -7148,8 +7148,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-rolesanywhere/src/protocols/Aws_restJson1.ts b/clients/client-rolesanywhere/src/protocols/Aws_restJson1.ts
index a80fbae72640..5f687f2a196f 100644
--- a/clients/client-rolesanywhere/src/protocols/Aws_restJson1.ts
+++ b/clients/client-rolesanywhere/src/protocols/Aws_restJson1.ts
@@ -2275,8 +2275,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-route-53-domains/src/protocols/Aws_json1_1.ts b/clients/client-route-53-domains/src/protocols/Aws_json1_1.ts
index 0f1e1ae23331..1b12286215cc 100644
--- a/clients/client-route-53-domains/src/protocols/Aws_json1_1.ts
+++ b/clients/client-route-53-domains/src/protocols/Aws_json1_1.ts
@@ -3120,8 +3120,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-route-53/src/protocols/Aws_restXml.ts b/clients/client-route-53/src/protocols/Aws_restXml.ts
index a4eac55d6af8..052f30529665 100644
--- a/clients/client-route-53/src/protocols/Aws_restXml.ts
+++ b/clients/client-route-53/src/protocols/Aws_restXml.ts
@@ -8968,8 +8968,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-route53-recovery-cluster/src/protocols/Aws_json1_0.ts b/clients/client-route53-recovery-cluster/src/protocols/Aws_json1_0.ts
index 9459895a085d..3a8ebbb21782 100644
--- a/clients/client-route53-recovery-cluster/src/protocols/Aws_json1_0.ts
+++ b/clients/client-route53-recovery-cluster/src/protocols/Aws_json1_0.ts
@@ -730,8 +730,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-route53-recovery-control-config/src/protocols/Aws_restJson1.ts b/clients/client-route53-recovery-control-config/src/protocols/Aws_restJson1.ts
index 0e30a81d7fb7..ec8b736e4acc 100644
--- a/clients/client-route53-recovery-control-config/src/protocols/Aws_restJson1.ts
+++ b/clients/client-route53-recovery-control-config/src/protocols/Aws_restJson1.ts
@@ -2332,8 +2332,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-route53-recovery-readiness/src/protocols/Aws_restJson1.ts b/clients/client-route53-recovery-readiness/src/protocols/Aws_restJson1.ts
index 440a3d5d921b..65774f6a39f8 100644
--- a/clients/client-route53-recovery-readiness/src/protocols/Aws_restJson1.ts
+++ b/clients/client-route53-recovery-readiness/src/protocols/Aws_restJson1.ts
@@ -3344,8 +3344,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-route53resolver/src/protocols/Aws_json1_1.ts b/clients/client-route53resolver/src/protocols/Aws_json1_1.ts
index b40cb3b7a734..989f272650e0 100644
--- a/clients/client-route53resolver/src/protocols/Aws_json1_1.ts
+++ b/clients/client-route53resolver/src/protocols/Aws_json1_1.ts
@@ -6987,8 +6987,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-rum/src/protocols/Aws_restJson1.ts b/clients/client-rum/src/protocols/Aws_restJson1.ts
index 8e751215350b..fa5a48592726 100644
--- a/clients/client-rum/src/protocols/Aws_restJson1.ts
+++ b/clients/client-rum/src/protocols/Aws_restJson1.ts
@@ -1256,8 +1256,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-s3-control/src/protocols/Aws_restXml.ts b/clients/client-s3-control/src/protocols/Aws_restXml.ts
index c43521de6c26..3a41eec51350 100644
--- a/clients/client-s3-control/src/protocols/Aws_restXml.ts
+++ b/clients/client-s3-control/src/protocols/Aws_restXml.ts
@@ -8611,8 +8611,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-s3/src/protocols/Aws_restXml.ts b/clients/client-s3/src/protocols/Aws_restXml.ts
index 533668da5a15..9e3e6dfbf10a 100644
--- a/clients/client-s3/src/protocols/Aws_restXml.ts
+++ b/clients/client-s3/src/protocols/Aws_restXml.ts
@@ -12061,8 +12061,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-s3outposts/src/protocols/Aws_restJson1.ts b/clients/client-s3outposts/src/protocols/Aws_restJson1.ts
index 4ca8fe5bd896..8d709fab5c77 100644
--- a/clients/client-s3outposts/src/protocols/Aws_restJson1.ts
+++ b/clients/client-s3outposts/src/protocols/Aws_restJson1.ts
@@ -513,8 +513,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-sagemaker-a2i-runtime/src/protocols/Aws_restJson1.ts b/clients/client-sagemaker-a2i-runtime/src/protocols/Aws_restJson1.ts
index f01a7a960655..b0f2d731828e 100644
--- a/clients/client-sagemaker-a2i-runtime/src/protocols/Aws_restJson1.ts
+++ b/clients/client-sagemaker-a2i-runtime/src/protocols/Aws_restJson1.ts
@@ -641,8 +641,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-sagemaker-edge/src/protocols/Aws_restJson1.ts b/clients/client-sagemaker-edge/src/protocols/Aws_restJson1.ts
index 21dbde23c7a5..736e82b521d9 100644
--- a/clients/client-sagemaker-edge/src/protocols/Aws_restJson1.ts
+++ b/clients/client-sagemaker-edge/src/protocols/Aws_restJson1.ts
@@ -409,8 +409,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-sagemaker-featurestore-runtime/src/protocols/Aws_restJson1.ts b/clients/client-sagemaker-featurestore-runtime/src/protocols/Aws_restJson1.ts
index 1d24dec9076b..34c3f7b52d97 100644
--- a/clients/client-sagemaker-featurestore-runtime/src/protocols/Aws_restJson1.ts
+++ b/clients/client-sagemaker-featurestore-runtime/src/protocols/Aws_restJson1.ts
@@ -662,8 +662,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-sagemaker-runtime/src/protocols/Aws_restJson1.ts b/clients/client-sagemaker-runtime/src/protocols/Aws_restJson1.ts
index 8887f65db762..32251b1f0b04 100644
--- a/clients/client-sagemaker-runtime/src/protocols/Aws_restJson1.ts
+++ b/clients/client-sagemaker-runtime/src/protocols/Aws_restJson1.ts
@@ -354,8 +354,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-sagemaker/src/protocols/Aws_json1_1.ts b/clients/client-sagemaker/src/protocols/Aws_json1_1.ts
index c4e10f5033b0..a13fac97b45e 100644
--- a/clients/client-sagemaker/src/protocols/Aws_json1_1.ts
+++ b/clients/client-sagemaker/src/protocols/Aws_json1_1.ts
@@ -34042,8 +34042,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-savingsplans/src/protocols/Aws_restJson1.ts b/clients/client-savingsplans/src/protocols/Aws_restJson1.ts
index e8f586c3ce0c..30fed34d169f 100644
--- a/clients/client-savingsplans/src/protocols/Aws_restJson1.ts
+++ b/clients/client-savingsplans/src/protocols/Aws_restJson1.ts
@@ -1395,8 +1395,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-schemas/src/protocols/Aws_restJson1.ts b/clients/client-schemas/src/protocols/Aws_restJson1.ts
index cdf7522c8fc7..16c1eb96b630 100644
--- a/clients/client-schemas/src/protocols/Aws_restJson1.ts
+++ b/clients/client-schemas/src/protocols/Aws_restJson1.ts
@@ -3322,8 +3322,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-secrets-manager/src/protocols/Aws_json1_1.ts b/clients/client-secrets-manager/src/protocols/Aws_json1_1.ts
index 7572002af06f..64dc661d95cb 100644
--- a/clients/client-secrets-manager/src/protocols/Aws_json1_1.ts
+++ b/clients/client-secrets-manager/src/protocols/Aws_json1_1.ts
@@ -2627,8 +2627,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-securityhub/src/protocols/Aws_restJson1.ts b/clients/client-securityhub/src/protocols/Aws_restJson1.ts
index 35118670d32a..e552dfce3a91 100644
--- a/clients/client-securityhub/src/protocols/Aws_restJson1.ts
+++ b/clients/client-securityhub/src/protocols/Aws_restJson1.ts
@@ -25562,8 +25562,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-serverlessapplicationrepository/src/protocols/Aws_restJson1.ts b/clients/client-serverlessapplicationrepository/src/protocols/Aws_restJson1.ts
index 07974fe19efc..dc96fb66e923 100644
--- a/clients/client-serverlessapplicationrepository/src/protocols/Aws_restJson1.ts
+++ b/clients/client-serverlessapplicationrepository/src/protocols/Aws_restJson1.ts
@@ -1912,8 +1912,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-service-catalog-appregistry/src/protocols/Aws_restJson1.ts b/clients/client-service-catalog-appregistry/src/protocols/Aws_restJson1.ts
index 49f64b2189eb..3ee1e7772879 100644
--- a/clients/client-service-catalog-appregistry/src/protocols/Aws_restJson1.ts
+++ b/clients/client-service-catalog-appregistry/src/protocols/Aws_restJson1.ts
@@ -2132,8 +2132,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-service-catalog/src/protocols/Aws_json1_1.ts b/clients/client-service-catalog/src/protocols/Aws_json1_1.ts
index 01762c3ab953..b6a3de91481e 100644
--- a/clients/client-service-catalog/src/protocols/Aws_json1_1.ts
+++ b/clients/client-service-catalog/src/protocols/Aws_json1_1.ts
@@ -9414,8 +9414,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-service-quotas/src/protocols/Aws_json1_1.ts b/clients/client-service-quotas/src/protocols/Aws_json1_1.ts
index 430fee3160db..4194678d0d20 100644
--- a/clients/client-service-quotas/src/protocols/Aws_json1_1.ts
+++ b/clients/client-service-quotas/src/protocols/Aws_json1_1.ts
@@ -2496,8 +2496,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-servicediscovery/src/protocols/Aws_json1_1.ts b/clients/client-servicediscovery/src/protocols/Aws_json1_1.ts
index 0f2383c508a1..e658b1144e51 100644
--- a/clients/client-servicediscovery/src/protocols/Aws_json1_1.ts
+++ b/clients/client-servicediscovery/src/protocols/Aws_json1_1.ts
@@ -3128,8 +3128,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-ses/src/protocols/Aws_query.ts b/clients/client-ses/src/protocols/Aws_query.ts
index c0bcda78c93c..070f3a5d60be 100644
--- a/clients/client-ses/src/protocols/Aws_query.ts
+++ b/clients/client-ses/src/protocols/Aws_query.ts
@@ -9016,8 +9016,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-sesv2/src/protocols/Aws_restJson1.ts b/clients/client-sesv2/src/protocols/Aws_restJson1.ts
index 81c62d5e9983..0c1f554d4c6b 100644
--- a/clients/client-sesv2/src/protocols/Aws_restJson1.ts
+++ b/clients/client-sesv2/src/protocols/Aws_restJson1.ts
@@ -8448,8 +8448,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-sfn/src/protocols/Aws_json1_0.ts b/clients/client-sfn/src/protocols/Aws_json1_0.ts
index 2cf1280f9825..261a63dab0fd 100644
--- a/clients/client-sfn/src/protocols/Aws_json1_0.ts
+++ b/clients/client-sfn/src/protocols/Aws_json1_0.ts
@@ -3264,8 +3264,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-shield/src/protocols/Aws_json1_1.ts b/clients/client-shield/src/protocols/Aws_json1_1.ts
index bd534163c0fd..dc72429fa22c 100644
--- a/clients/client-shield/src/protocols/Aws_json1_1.ts
+++ b/clients/client-shield/src/protocols/Aws_json1_1.ts
@@ -4180,8 +4180,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-signer/src/protocols/Aws_restJson1.ts b/clients/client-signer/src/protocols/Aws_restJson1.ts
index 42582a6d3830..fbfe32474284 100644
--- a/clients/client-signer/src/protocols/Aws_restJson1.ts
+++ b/clients/client-signer/src/protocols/Aws_restJson1.ts
@@ -2207,8 +2207,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-sms/src/protocols/Aws_json1_1.ts b/clients/client-sms/src/protocols/Aws_json1_1.ts
index a0622846c5a7..f40dcaccb482 100644
--- a/clients/client-sms/src/protocols/Aws_json1_1.ts
+++ b/clients/client-sms/src/protocols/Aws_json1_1.ts
@@ -4431,8 +4431,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-snow-device-management/src/protocols/Aws_restJson1.ts b/clients/client-snow-device-management/src/protocols/Aws_restJson1.ts
index 657fbe279655..ff5b54356ae7 100644
--- a/clients/client-snow-device-management/src/protocols/Aws_restJson1.ts
+++ b/clients/client-snow-device-management/src/protocols/Aws_restJson1.ts
@@ -1630,8 +1630,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-snowball/src/protocols/Aws_json1_1.ts b/clients/client-snowball/src/protocols/Aws_json1_1.ts
index bba483f407c6..372bb77fb18f 100644
--- a/clients/client-snowball/src/protocols/Aws_json1_1.ts
+++ b/clients/client-snowball/src/protocols/Aws_json1_1.ts
@@ -3067,8 +3067,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-sns/src/protocols/Aws_query.ts b/clients/client-sns/src/protocols/Aws_query.ts
index 87b54962f7ee..c55a5a1dfc43 100644
--- a/clients/client-sns/src/protocols/Aws_query.ts
+++ b/clients/client-sns/src/protocols/Aws_query.ts
@@ -5593,8 +5593,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-sqs/src/protocols/Aws_query.ts b/clients/client-sqs/src/protocols/Aws_query.ts
index 9c67b872b196..25cf5f62af94 100644
--- a/clients/client-sqs/src/protocols/Aws_query.ts
+++ b/clients/client-sqs/src/protocols/Aws_query.ts
@@ -2759,8 +2759,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-ssm-contacts/src/protocols/Aws_json1_1.ts b/clients/client-ssm-contacts/src/protocols/Aws_json1_1.ts
index d06cb552c3b9..cd40282d4577 100644
--- a/clients/client-ssm-contacts/src/protocols/Aws_json1_1.ts
+++ b/clients/client-ssm-contacts/src/protocols/Aws_json1_1.ts
@@ -3010,8 +3010,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-ssm-incidents/src/protocols/Aws_restJson1.ts b/clients/client-ssm-incidents/src/protocols/Aws_restJson1.ts
index f327217c1c82..e3ae9a7a3431 100644
--- a/clients/client-ssm-incidents/src/protocols/Aws_restJson1.ts
+++ b/clients/client-ssm-incidents/src/protocols/Aws_restJson1.ts
@@ -3409,8 +3409,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-ssm/src/protocols/Aws_json1_1.ts b/clients/client-ssm/src/protocols/Aws_json1_1.ts
index 1e67326e580b..c88d7071facf 100644
--- a/clients/client-ssm/src/protocols/Aws_json1_1.ts
+++ b/clients/client-ssm/src/protocols/Aws_json1_1.ts
@@ -20458,8 +20458,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-sso-admin/src/protocols/Aws_json1_1.ts b/clients/client-sso-admin/src/protocols/Aws_json1_1.ts
index aa7c85e1c8eb..b6af388dcd33 100644
--- a/clients/client-sso-admin/src/protocols/Aws_json1_1.ts
+++ b/clients/client-sso-admin/src/protocols/Aws_json1_1.ts
@@ -4160,8 +4160,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-sso-oidc/src/protocols/Aws_restJson1.ts b/clients/client-sso-oidc/src/protocols/Aws_restJson1.ts
index 5adde469c4c3..8d8c3ff87bd3 100644
--- a/clients/client-sso-oidc/src/protocols/Aws_restJson1.ts
+++ b/clients/client-sso-oidc/src/protocols/Aws_restJson1.ts
@@ -608,8 +608,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-sso/src/protocols/Aws_restJson1.ts b/clients/client-sso/src/protocols/Aws_restJson1.ts
index 4123b876fb9e..5a0ec4edff32 100644
--- a/clients/client-sso/src/protocols/Aws_restJson1.ts
+++ b/clients/client-sso/src/protocols/Aws_restJson1.ts
@@ -479,8 +479,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-storage-gateway/src/protocols/Aws_json1_1.ts b/clients/client-storage-gateway/src/protocols/Aws_json1_1.ts
index d613e4d61093..a01128c839ae 100644
--- a/clients/client-storage-gateway/src/protocols/Aws_json1_1.ts
+++ b/clients/client-storage-gateway/src/protocols/Aws_json1_1.ts
@@ -8670,8 +8670,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-sts/src/protocols/Aws_query.ts b/clients/client-sts/src/protocols/Aws_query.ts
index 54cd3b0b9949..ea03487b2f6d 100644
--- a/clients/client-sts/src/protocols/Aws_query.ts
+++ b/clients/client-sts/src/protocols/Aws_query.ts
@@ -1304,8 +1304,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-support-app/src/protocols/Aws_restJson1.ts b/clients/client-support-app/src/protocols/Aws_restJson1.ts
index 47ad22fcaa22..7d21a043b2d7 100644
--- a/clients/client-support-app/src/protocols/Aws_restJson1.ts
+++ b/clients/client-support-app/src/protocols/Aws_restJson1.ts
@@ -939,8 +939,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-support/src/protocols/Aws_json1_1.ts b/clients/client-support/src/protocols/Aws_json1_1.ts
index c870ee06709d..4dd08c151aef 100644
--- a/clients/client-support/src/protocols/Aws_json1_1.ts
+++ b/clients/client-support/src/protocols/Aws_json1_1.ts
@@ -1834,8 +1834,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-swf/src/protocols/Aws_json1_0.ts b/clients/client-swf/src/protocols/Aws_json1_0.ts
index 278984e569a8..7cfd3ddfdfb7 100644
--- a/clients/client-swf/src/protocols/Aws_json1_0.ts
+++ b/clients/client-swf/src/protocols/Aws_json1_0.ts
@@ -4921,8 +4921,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-synthetics/src/protocols/Aws_restJson1.ts b/clients/client-synthetics/src/protocols/Aws_restJson1.ts
index 755f19b06873..382b2f77130f 100644
--- a/clients/client-synthetics/src/protocols/Aws_restJson1.ts
+++ b/clients/client-synthetics/src/protocols/Aws_restJson1.ts
@@ -2358,8 +2358,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-textract/src/protocols/Aws_json1_1.ts b/clients/client-textract/src/protocols/Aws_json1_1.ts
index 48a0e9eb05ad..1f9989c2a17a 100644
--- a/clients/client-textract/src/protocols/Aws_json1_1.ts
+++ b/clients/client-textract/src/protocols/Aws_json1_1.ts
@@ -2015,8 +2015,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-timestream-query/src/protocols/Aws_json1_0.ts b/clients/client-timestream-query/src/protocols/Aws_json1_0.ts
index ca1fc4b14355..fc0ffa152644 100644
--- a/clients/client-timestream-query/src/protocols/Aws_json1_0.ts
+++ b/clients/client-timestream-query/src/protocols/Aws_json1_0.ts
@@ -2116,8 +2116,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-timestream-write/src/protocols/Aws_json1_0.ts b/clients/client-timestream-write/src/protocols/Aws_json1_0.ts
index 61634569083d..8bf687f723ce 100644
--- a/clients/client-timestream-write/src/protocols/Aws_json1_0.ts
+++ b/clients/client-timestream-write/src/protocols/Aws_json1_0.ts
@@ -1867,8 +1867,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-transcribe-streaming/src/protocols/Aws_restJson1.ts b/clients/client-transcribe-streaming/src/protocols/Aws_restJson1.ts
index bc07128cfef0..53e0d8d21511 100644
--- a/clients/client-transcribe-streaming/src/protocols/Aws_restJson1.ts
+++ b/clients/client-transcribe-streaming/src/protocols/Aws_restJson1.ts
@@ -866,8 +866,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-transcribe/src/protocols/Aws_json1_1.ts b/clients/client-transcribe/src/protocols/Aws_json1_1.ts
index eecedf9b20dc..1c69d7fe3927 100644
--- a/clients/client-transcribe/src/protocols/Aws_json1_1.ts
+++ b/clients/client-transcribe/src/protocols/Aws_json1_1.ts
@@ -4728,8 +4728,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-transfer/src/protocols/Aws_json1_1.ts b/clients/client-transfer/src/protocols/Aws_json1_1.ts
index 5e48cd2ad227..e878fa80ddc5 100644
--- a/clients/client-transfer/src/protocols/Aws_json1_1.ts
+++ b/clients/client-transfer/src/protocols/Aws_json1_1.ts
@@ -6347,8 +6347,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-translate/src/protocols/Aws_json1_1.ts b/clients/client-translate/src/protocols/Aws_json1_1.ts
index d65a91ef2aad..17a5e3762285 100644
--- a/clients/client-translate/src/protocols/Aws_json1_1.ts
+++ b/clients/client-translate/src/protocols/Aws_json1_1.ts
@@ -2173,8 +2173,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-voice-id/src/protocols/Aws_json1_0.ts b/clients/client-voice-id/src/protocols/Aws_json1_0.ts
index bfbc1075b076..7c1599f22a25 100644
--- a/clients/client-voice-id/src/protocols/Aws_json1_0.ts
+++ b/clients/client-voice-id/src/protocols/Aws_json1_0.ts
@@ -2636,8 +2636,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-waf-regional/src/protocols/Aws_json1_1.ts b/clients/client-waf-regional/src/protocols/Aws_json1_1.ts
index 9974b09777d6..5681445da969 100644
--- a/clients/client-waf-regional/src/protocols/Aws_json1_1.ts
+++ b/clients/client-waf-regional/src/protocols/Aws_json1_1.ts
@@ -8858,8 +8858,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-waf/src/protocols/Aws_json1_1.ts b/clients/client-waf/src/protocols/Aws_json1_1.ts
index fff5365fad8b..16979cb2f47f 100644
--- a/clients/client-waf/src/protocols/Aws_json1_1.ts
+++ b/clients/client-waf/src/protocols/Aws_json1_1.ts
@@ -8478,8 +8478,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-wafv2/src/protocols/Aws_json1_1.ts b/clients/client-wafv2/src/protocols/Aws_json1_1.ts
index d4961090ff68..df3213d7e274 100644
--- a/clients/client-wafv2/src/protocols/Aws_json1_1.ts
+++ b/clients/client-wafv2/src/protocols/Aws_json1_1.ts
@@ -7187,8 +7187,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-wellarchitected/src/protocols/Aws_restJson1.ts b/clients/client-wellarchitected/src/protocols/Aws_restJson1.ts
index e5703b0a2082..9e2b333f376a 100644
--- a/clients/client-wellarchitected/src/protocols/Aws_restJson1.ts
+++ b/clients/client-wellarchitected/src/protocols/Aws_restJson1.ts
@@ -4538,8 +4538,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-wisdom/src/protocols/Aws_restJson1.ts b/clients/client-wisdom/src/protocols/Aws_restJson1.ts
index f0d1ee5958aa..3abf3d4f059c 100644
--- a/clients/client-wisdom/src/protocols/Aws_restJson1.ts
+++ b/clients/client-wisdom/src/protocols/Aws_restJson1.ts
@@ -3412,8 +3412,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-workdocs/src/protocols/Aws_restJson1.ts b/clients/client-workdocs/src/protocols/Aws_restJson1.ts
index 780cb1b104eb..06df323823a4 100644
--- a/clients/client-workdocs/src/protocols/Aws_restJson1.ts
+++ b/clients/client-workdocs/src/protocols/Aws_restJson1.ts
@@ -4675,8 +4675,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-worklink/src/protocols/Aws_restJson1.ts b/clients/client-worklink/src/protocols/Aws_restJson1.ts
index c496d8fcf9ce..703d0623faa4 100644
--- a/clients/client-worklink/src/protocols/Aws_restJson1.ts
+++ b/clients/client-worklink/src/protocols/Aws_restJson1.ts
@@ -3066,8 +3066,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-workmail/src/protocols/Aws_json1_1.ts b/clients/client-workmail/src/protocols/Aws_json1_1.ts
index 08457ceac6e9..c1e273a156cd 100644
--- a/clients/client-workmail/src/protocols/Aws_json1_1.ts
+++ b/clients/client-workmail/src/protocols/Aws_json1_1.ts
@@ -7888,8 +7888,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-workmailmessageflow/src/protocols/Aws_restJson1.ts b/clients/client-workmailmessageflow/src/protocols/Aws_restJson1.ts
index 1f9dad239dfb..ed6479621f47 100644
--- a/clients/client-workmailmessageflow/src/protocols/Aws_restJson1.ts
+++ b/clients/client-workmailmessageflow/src/protocols/Aws_restJson1.ts
@@ -275,8 +275,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-workspaces-web/src/protocols/Aws_restJson1.ts b/clients/client-workspaces-web/src/protocols/Aws_restJson1.ts
index 6a46374d46bb..b4da0f504951 100644
--- a/clients/client-workspaces-web/src/protocols/Aws_restJson1.ts
+++ b/clients/client-workspaces-web/src/protocols/Aws_restJson1.ts
@@ -4401,8 +4401,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-workspaces/src/protocols/Aws_json1_1.ts b/clients/client-workspaces/src/protocols/Aws_json1_1.ts
index 694b68afcc0b..1a9f4fff0523 100644
--- a/clients/client-workspaces/src/protocols/Aws_json1_1.ts
+++ b/clients/client-workspaces/src/protocols/Aws_json1_1.ts
@@ -7022,8 +7022,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/clients/client-xray/src/protocols/Aws_restJson1.ts b/clients/client-xray/src/protocols/Aws_restJson1.ts
index c8d3430b6ab9..b7f63f721255 100644
--- a/clients/client-xray/src/protocols/Aws_restJson1.ts
+++ b/clients/client-xray/src/protocols/Aws_restJson1.ts
@@ -3612,8 +3612,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/codegen/smithy-aws-typescript-codegen/src/main/java/software/amazon/smithy/aws/typescript/codegen/AwsProtocolUtils.java b/codegen/smithy-aws-typescript-codegen/src/main/java/software/amazon/smithy/aws/typescript/codegen/AwsProtocolUtils.java
index 610c543027fa..4d4d5a346b1d 100644
--- a/codegen/smithy-aws-typescript-codegen/src/main/java/software/amazon/smithy/aws/typescript/codegen/AwsProtocolUtils.java
+++ b/codegen/smithy-aws-typescript-codegen/src/main/java/software/amazon/smithy/aws/typescript/codegen/AwsProtocolUtils.java
@@ -128,9 +128,9 @@ static void generateParseErrorBody(GenerationContext context) {
 
         // Include a JSON body parser used to deserialize documents from HTTP responses.
         writer.addImport("SerdeContext", "__SerdeContext", "@aws-sdk/types");
-        writer.openBlock("const parseErrorBody = (errorBody: any, context: __SerdeContext): "
-            + "any => {", "}", () -> {
-                writer.write("const value = parseBody(errorBody, context);");
+        writer.openBlock("const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {",
+            "}", () -> {
+                writer.write("const value = await parseBody(errorBody, context);");
                 writer.write("value.message = value.message ?? value.Message;");
                 writer.write("return value;");
             });
diff --git a/private/aws-echo-service/src/protocols/Aws_restJson1.ts b/private/aws-echo-service/src/protocols/Aws_restJson1.ts
index a58e2900d5fa..48f718dab29d 100644
--- a/private/aws-echo-service/src/protocols/Aws_restJson1.ts
+++ b/private/aws-echo-service/src/protocols/Aws_restJson1.ts
@@ -198,8 +198,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/private/aws-protocoltests-ec2/src/protocols/Aws_ec2.ts b/private/aws-protocoltests-ec2/src/protocols/Aws_ec2.ts
index fd6527a865c2..5b220cafef9a 100644
--- a/private/aws-protocoltests-ec2/src/protocols/Aws_ec2.ts
+++ b/private/aws-protocoltests-ec2/src/protocols/Aws_ec2.ts
@@ -1961,8 +1961,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/private/aws-protocoltests-json-10/src/protocols/Aws_json1_0.ts b/private/aws-protocoltests-json-10/src/protocols/Aws_json1_0.ts
index e353795c22d1..eb7d1a98ce46 100644
--- a/private/aws-protocoltests-json-10/src/protocols/Aws_json1_0.ts
+++ b/private/aws-protocoltests-json-10/src/protocols/Aws_json1_0.ts
@@ -814,8 +814,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/private/aws-protocoltests-json/src/protocols/Aws_json1_1.ts b/private/aws-protocoltests-json/src/protocols/Aws_json1_1.ts
index 5d30c0aaf59d..5f1bce2f83be 100644
--- a/private/aws-protocoltests-json/src/protocols/Aws_json1_1.ts
+++ b/private/aws-protocoltests-json/src/protocols/Aws_json1_1.ts
@@ -1581,8 +1581,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/private/aws-protocoltests-query/src/protocols/Aws_query.ts b/private/aws-protocoltests-query/src/protocols/Aws_query.ts
index 6a222855a740..e9007ec0f0e0 100644
--- a/private/aws-protocoltests-query/src/protocols/Aws_query.ts
+++ b/private/aws-protocoltests-query/src/protocols/Aws_query.ts
@@ -2697,8 +2697,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/private/aws-protocoltests-restjson/src/protocols/Aws_restJson1.ts b/private/aws-protocoltests-restjson/src/protocols/Aws_restJson1.ts
index b7113cdfc425..19516fa4808e 100644
--- a/private/aws-protocoltests-restjson/src/protocols/Aws_restJson1.ts
+++ b/private/aws-protocoltests-restjson/src/protocols/Aws_restJson1.ts
@@ -6695,8 +6695,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };
diff --git a/private/aws-protocoltests-restxml/src/protocols/Aws_restXml.ts b/private/aws-protocoltests-restxml/src/protocols/Aws_restXml.ts
index a42a8607fc9d..9b220343c28e 100644
--- a/private/aws-protocoltests-restxml/src/protocols/Aws_restXml.ts
+++ b/private/aws-protocoltests-restxml/src/protocols/Aws_restXml.ts
@@ -5300,8 +5300,8 @@ const parseBody = (streamBody: any, context: __SerdeContext): any =>
     return {};
   });
 
-const parseErrorBody = (errorBody: any, context: __SerdeContext): any => {
-  const value = parseBody(errorBody, context);
+const parseErrorBody = async (errorBody: any, context: __SerdeContext) => {
+  const value = await parseBody(errorBody, context);
   value.message = value.message ?? value.Message;
   return value;
 };