diff --git a/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/ISupplicantStaIfaceCallback.aidl b/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/ISupplicantStaIfaceCallback.aidl
index 384ac9a..b0141df 100644
--- a/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/ISupplicantStaIfaceCallback.aidl
+++ b/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/ISupplicantStaIfaceCallback.aidl
@@ -84,8 +84,8 @@
   oneway void onPmkSaCacheAdded(in android.hardware.wifi.supplicant.PmkSaCacheData pmkSaData);
   oneway void onUsdPublishStarted(in int cmdId, in int publishId);
   oneway void onUsdSubscribeStarted(in int cmdId, in int subscribeId);
-  oneway void onUsdPublishConfigFailed(in int cmdId);
-  oneway void onUsdSubscribeConfigFailed(in int cmdId);
+  oneway void onUsdPublishConfigFailed(in int cmdId, in android.hardware.wifi.supplicant.ISupplicantStaIfaceCallback.UsdConfigErrorCode errorCode);
+  oneway void onUsdSubscribeConfigFailed(in int cmdId, in android.hardware.wifi.supplicant.ISupplicantStaIfaceCallback.UsdConfigErrorCode errorCode);
   oneway void onUsdPublishTerminated(in int publishId, in android.hardware.wifi.supplicant.UsdTerminateReasonCode reasonCode);
   oneway void onUsdSubscribeTerminated(in int subscribeId, in android.hardware.wifi.supplicant.UsdTerminateReasonCode reasonCode);
   oneway void onUsdPublishReplied(in android.hardware.wifi.supplicant.UsdServiceDiscoveryInfo info);
@@ -97,4 +97,10 @@
     MULTI_LINK_RECONFIG_AP_REMOVAL = 1,
     MULTI_LINK_DYNAMIC_RECONFIG = 2,
   }
+  @Backing(type="int") @VintfStability
+  enum UsdConfigErrorCode {
+    FAILURE_UNKNOWN = 0,
+    FAILURE_TIMEOUT = 1,
+    FAILURE_NOT_AVAILABLE = 2,
+  }
 }
diff --git a/wifi/supplicant/aidl/android/hardware/wifi/supplicant/ISupplicantStaIfaceCallback.aidl b/wifi/supplicant/aidl/android/hardware/wifi/supplicant/ISupplicantStaIfaceCallback.aidl
index 1ee873a..efbd066 100644
--- a/wifi/supplicant/aidl/android/hardware/wifi/supplicant/ISupplicantStaIfaceCallback.aidl
+++ b/wifi/supplicant/aidl/android/hardware/wifi/supplicant/ISupplicantStaIfaceCallback.aidl
@@ -439,12 +439,32 @@
     void onUsdSubscribeStarted(in int cmdId, in int subscribeId);
 
     /**
+     * Error codes returned by |onUsdPublishConfigFailed| and |onUsdSubscribeConfigFailed|.
+     */
+    @VintfStability
+    @Backing(type="int")
+    enum UsdConfigErrorCode {
+        /**
+         * Unknown failure.
+         */
+        FAILURE_UNKNOWN = 0,
+        /**
+         * The requested operation timed out.
+         */
+        FAILURE_TIMEOUT = 1,
+        /**
+         * The requested operation is currently not available.
+         */
+        FAILURE_NOT_AVAILABLE = 2,
+    }
+
+    /**
      * Called in response to |ISupplicantStaIface.startUsdPublish| to indicate that the
      * publish session could not be configured.
      *
      * @param cmdId Identifier for the original request.
      */
-    void onUsdPublishConfigFailed(in int cmdId);
+    void onUsdPublishConfigFailed(in int cmdId, in UsdConfigErrorCode errorCode);
 
     /**
      * Called in response to |ISupplicantStaIface.startUsdSubscribe| to indicate that the
@@ -452,7 +472,7 @@
      *
      * @param cmdId Identifier for the original request.
      */
-    void onUsdSubscribeConfigFailed(in int cmdId);
+    void onUsdSubscribeConfigFailed(in int cmdId, in UsdConfigErrorCode errorCode);
 
     /**
      * Called in response to |ISupplicantStaIface.cancelUsdPublish| to indicate that the session
diff --git a/wifi/supplicant/aidl/vts/functional/supplicant_sta_iface_aidl_test.cpp b/wifi/supplicant/aidl/vts/functional/supplicant_sta_iface_aidl_test.cpp
index da12a82..18b8ccb 100644
--- a/wifi/supplicant/aidl/vts/functional/supplicant_sta_iface_aidl_test.cpp
+++ b/wifi/supplicant/aidl/vts/functional/supplicant_sta_iface_aidl_test.cpp
@@ -254,10 +254,12 @@
                                                int32_t /* subscribeId */) override {
         return ndk::ScopedAStatus::ok();
     }
-    ::ndk::ScopedAStatus onUsdPublishConfigFailed(int32_t /* cmdId */) override {
+    ::ndk::ScopedAStatus onUsdPublishConfigFailed(int32_t /* cmdId */,
+                                                  UsdConfigErrorCode /* errorCode */) override {
         return ndk::ScopedAStatus::ok();
     }
-    ::ndk::ScopedAStatus onUsdSubscribeConfigFailed(int32_t /* cmdId */) override {
+    ::ndk::ScopedAStatus onUsdSubscribeConfigFailed(int32_t /* cmdId */,
+                                                    UsdConfigErrorCode /* errorCode */) override {
         return ndk::ScopedAStatus::ok();
     }
     ::ndk::ScopedAStatus onUsdPublishTerminated(int32_t /* publishId */,