diff --git a/.changeset/hungry-snails-drive.md b/.changeset/hungry-snails-drive.md
new file mode 100644
index 00000000000..1a29782a04d
--- /dev/null
+++ b/.changeset/hungry-snails-drive.md
@@ -0,0 +1,5 @@
+---
+"@firebase/data-connect": patch
+---
+
+Fix DataConnectOperationError.
diff --git a/common/api-review/data-connect.api.md b/common/api-review/data-connect.api.md
index 786714361af..9e3d2424876 100644
--- a/common/api-review/data-connect.api.md
+++ b/common/api-review/data-connect.api.md
@@ -24,6 +24,20 @@ export const CallerSdkTypeEnum: {
     readonly GeneratedAngular: "GeneratedAngular";
 };
 
+// @public (undocumented)
+export type Code = DataConnectErrorCode;
+
+// @public (undocumented)
+export const Code: {
+    OTHER: DataConnectErrorCode;
+    ALREADY_INITIALIZED: DataConnectErrorCode;
+    NOT_INITIALIZED: DataConnectErrorCode;
+    NOT_SUPPORTED: DataConnectErrorCode;
+    INVALID_ARGUMENT: DataConnectErrorCode;
+    PARTIAL_ERROR: DataConnectErrorCode;
+    UNAUTHORIZED: DataConnectErrorCode;
+};
+
 // @public
 export function connectDataConnectEmulator(dc: DataConnect, host: string, port?: number, sslEnabled?: boolean): void;
 
@@ -54,7 +68,9 @@ export class DataConnect {
 
 // @public
 export class DataConnectError extends FirebaseError {
-    }
+    /* Excluded from this release type: name */
+    constructor(code: Code, message: string);
+}
 
 // @public (undocumented)
 export type DataConnectErrorCode = 'other' | 'already-initialized' | 'not-initialized' | 'not-supported' | 'invalid-argument' | 'partial-error' | 'unauthorized';
diff --git a/packages/data-connect/src/api/index.ts b/packages/data-connect/src/api/index.ts
index dcd48485571..72ee8b313e5 100644
--- a/packages/data-connect/src/api/index.ts
+++ b/packages/data-connect/src/api/index.ts
@@ -24,6 +24,7 @@ export { setLogLevel } from '../logger';
 export { validateArgs } from '../util/validateArgs';
 export {
   DataConnectErrorCode,
+  Code,
   DataConnectError,
   DataConnectOperationError,
   DataConnectOperationFailureResponse,
diff --git a/packages/data-connect/src/core/error.ts b/packages/data-connect/src/core/error.ts
index b1246969e48..bbf1e299e0d 100644
--- a/packages/data-connect/src/core/error.ts
+++ b/packages/data-connect/src/core/error.ts
@@ -43,7 +43,6 @@ export class DataConnectError extends FirebaseError {
   /** @internal */
   readonly name: string = 'DataConnectError';
 
-  /** @hideconstructor */
   constructor(code: Code, message: string) {
     super(code, message);