diff --git a/AmplifyPlugins/Auth/Sources/AWSCognitoAuthPlugin/Actions/FetchAuthorizationSession/InformSessionError.swift b/AmplifyPlugins/Auth/Sources/AWSCognitoAuthPlugin/Actions/FetchAuthorizationSession/InformSessionError.swift
index c556bf89d4..d21f30363a 100644
--- a/AmplifyPlugins/Auth/Sources/AWSCognitoAuthPlugin/Actions/FetchAuthorizationSession/InformSessionError.swift
+++ b/AmplifyPlugins/Auth/Sources/AWSCognitoAuthPlugin/Actions/FetchAuthorizationSession/InformSessionError.swift
@@ -23,7 +23,8 @@ struct InformSessionError: Action {
         switch error {
         case .service(let serviceError):
             if isNotAuthorizedError(serviceError) {
-                event = .init(eventType: .throwError(.sessionExpired))
+                event = .init(eventType: .throwError(
+                    .sessionExpired(error: serviceError)))
             } else {
                 event = .init(eventType: .receivedSessionError(error))
             }
diff --git a/AmplifyPlugins/Auth/Sources/AWSCognitoAuthPlugin/Operations/Helpers/FetchAuthSessionOperationHelper.swift b/AmplifyPlugins/Auth/Sources/AWSCognitoAuthPlugin/Operations/Helpers/FetchAuthSessionOperationHelper.swift
index af3a5c87b5..b9fdbc1d88 100644
--- a/AmplifyPlugins/Auth/Sources/AWSCognitoAuthPlugin/Operations/Helpers/FetchAuthSessionOperationHelper.swift
+++ b/AmplifyPlugins/Auth/Sources/AWSCognitoAuthPlugin/Operations/Helpers/FetchAuthSessionOperationHelper.swift
@@ -41,9 +41,10 @@ class FetchAuthSessionOperationHelper: DefaultLogger {
                 forceRefresh: forceRefresh)
 
         case .error(let error):
-            if case .sessionExpired = error {
+            if case .sessionExpired(let error) = error {
                 log.verbose("Session is expired")
-                let session = AuthCognitoSignedInSessionHelper.makeExpiredSignedInSession()
+                let session = AuthCognitoSignedInSessionHelper.makeExpiredSignedInSession(
+                    underlyingError: error)
                 return session
             } else if case .sessionError(_, let credentials) = error {
                 return try await refreshIfRequired(
@@ -125,8 +126,9 @@ class FetchAuthSessionOperationHelper: DefaultLogger {
             return try sessionResultWithFetchError(fetchError,
                                                    authenticationState: authenticationState,
                                                    existingCredentials: credentials)
-        case .sessionExpired:
-            let session = AuthCognitoSignedInSessionHelper.makeExpiredSignedInSession()
+        case .sessionExpired(let error):
+            let session = AuthCognitoSignedInSessionHelper.makeExpiredSignedInSession(
+                underlyingError: error)
             return session
         default:
             let message = "Unknown error occurred"
diff --git a/AmplifyPlugins/Auth/Sources/AWSCognitoAuthPlugin/StateMachine/CodeGen/Errors/AuthorizationError.swift b/AmplifyPlugins/Auth/Sources/AWSCognitoAuthPlugin/StateMachine/CodeGen/Errors/AuthorizationError.swift
index 771c1aed5a..8c1ed9c1e0 100644
--- a/AmplifyPlugins/Auth/Sources/AWSCognitoAuthPlugin/StateMachine/CodeGen/Errors/AuthorizationError.swift
+++ b/AmplifyPlugins/Auth/Sources/AWSCognitoAuthPlugin/StateMachine/CodeGen/Errors/AuthorizationError.swift
@@ -15,14 +15,17 @@ enum AuthorizationError: Error {
     case service(error: Swift.Error)
     case invalidState(message: String)
     case sessionError(FetchSessionError, AmplifyCredentials)
-    case sessionExpired
+    case sessionExpired(error: Error)
 }
 
 extension AuthorizationError: AuthErrorConvertible {
     var authError: AuthError {
         switch self {
-        case .sessionExpired:
-            return .sessionExpired("", "", nil)
+        case .sessionExpired(let error):
+            return .sessionExpired(
+                "Session expired", 
+                "Invoke Auth.signIn to re-authenticate the user",
+                error)
         case .configuration(let message):
             return .configuration(message, "")
         case .service(let error):
diff --git a/AmplifyPlugins/Auth/Sources/AWSCognitoAuthPlugin/Support/Helpers/AuthCognitoSignedInSessionHelper.swift b/AmplifyPlugins/Auth/Sources/AWSCognitoAuthPlugin/Support/Helpers/AuthCognitoSignedInSessionHelper.swift
index fbc1cf8d0d..2db23e0ce7 100644
--- a/AmplifyPlugins/Auth/Sources/AWSCognitoAuthPlugin/Support/Helpers/AuthCognitoSignedInSessionHelper.swift
+++ b/AmplifyPlugins/Auth/Sources/AWSCognitoAuthPlugin/Support/Helpers/AuthCognitoSignedInSessionHelper.swift
@@ -32,18 +32,21 @@ struct AuthCognitoSignedInSessionHelper {
         return authSession
     }
 
-    static func makeExpiredSignedInSession() -> AWSAuthCognitoSession {
+    static func makeExpiredSignedInSession(underlyingError: Error) -> AWSAuthCognitoSession {
         let identityIdError = AuthError.sessionExpired(
             AuthPluginErrorConstants.identityIdSessionExpiredError.errorDescription,
-            AuthPluginErrorConstants.identityIdSessionExpiredError.recoverySuggestion)
+            AuthPluginErrorConstants.identityIdSessionExpiredError.recoverySuggestion,
+            underlyingError)
 
         let awsCredentialsError = AuthError.sessionExpired(
             AuthPluginErrorConstants.awsCredentialsSessionExpiredError.errorDescription,
-            AuthPluginErrorConstants.awsCredentialsSessionExpiredError.recoverySuggestion)
+            AuthPluginErrorConstants.awsCredentialsSessionExpiredError.recoverySuggestion,
+            underlyingError)
 
         let tokensError = AuthError.sessionExpired(
             AuthPluginErrorConstants.cognitoTokensSessionExpiredError.errorDescription,
-            AuthPluginErrorConstants.cognitoTokensSessionExpiredError.recoverySuggestion)
+            AuthPluginErrorConstants.cognitoTokensSessionExpiredError.recoverySuggestion,
+            underlyingError)
 
         let authSession = AWSAuthCognitoSession(isSignedIn: true,
                                                 identityIdResult: .failure(identityIdError),
diff --git a/AmplifyPlugins/Auth/Tests/AWSCognitoAuthPluginUnitTests/TaskTests/AuthorizationTests/AWSAuthFederationToIdentityPoolTests.swift b/AmplifyPlugins/Auth/Tests/AWSCognitoAuthPluginUnitTests/TaskTests/AuthorizationTests/AWSAuthFederationToIdentityPoolTests.swift
index e3612eaf69..604c0b24d8 100644
--- a/AmplifyPlugins/Auth/Tests/AWSCognitoAuthPluginUnitTests/TaskTests/AuthorizationTests/AWSAuthFederationToIdentityPoolTests.swift
+++ b/AmplifyPlugins/Auth/Tests/AWSCognitoAuthPluginUnitTests/TaskTests/AuthorizationTests/AWSAuthFederationToIdentityPoolTests.swift
@@ -85,7 +85,8 @@ class AWSAuthFederationToIdentityPoolTests: BaseAuthorizationTests {
                 AuthorizationState.configured),
             AuthState.configured(
                 AuthenticationState.signedOut(.testData),
-                AuthorizationState.error(.sessionExpired))
+                AuthorizationState.error(.sessionExpired(
+                    error: NotAuthorizedException(message: "message"))))
         ]
 
         for initialState in statesToTest {
diff --git a/AmplifyPlugins/Auth/Tests/AWSCognitoAuthPluginUnitTests/TestHarness/CodableStates/CodableStates.swift b/AmplifyPlugins/Auth/Tests/AWSCognitoAuthPluginUnitTests/TestHarness/CodableStates/CodableStates.swift
index aa967a353e..0dc049110d 100644
--- a/AmplifyPlugins/Auth/Tests/AWSCognitoAuthPluginUnitTests/TestHarness/CodableStates/CodableStates.swift
+++ b/AmplifyPlugins/Auth/Tests/AWSCognitoAuthPluginUnitTests/TestHarness/CodableStates/CodableStates.swift
@@ -107,7 +107,7 @@ extension FetchAuthSessionState: Codable {
 
 extension AuthorizationError: Codable {
     public init(from decoder: Decoder) throws {
-        self = .sessionExpired
+        self = .sessionExpired(error: NotAuthorizedException(message: "message"))
     }
 
     public func encode(to encoder: Encoder) throws {