Index: firmware/App/Services/SystemComm.c
===================================================================
diff -u -rb8f298547eb578000b3ff3cf55732fda7a689ce0 -r5c608ff3680b15c3ffbb6d486194152d6fb06944
--- firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision b8f298547eb578000b3ff3cf55732fda7a689ce0)
+++ firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision 5c608ff3680b15c3ffbb6d486194152d6fb06944)
@@ -1268,6 +1268,10 @@
                 handleTestDGHeatersDutyCycleOverrideRequest( message );
                 break;
 
+            case MSD_ID_DG_RTC_STATUS_OVERRIDE:
+                handleDGRTCstatusOverrideRequest( message );
+                break;
+
             default:
                 // TODO - unrecognized message ID received - ignore
                 break;
Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -rb8f298547eb578000b3ff3cf55732fda7a689ce0 -r5c608ff3680b15c3ffbb6d486194152d6fb06944
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision b8f298547eb578000b3ff3cf55732fda7a689ce0)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 5c608ff3680b15c3ffbb6d486194152d6fb06944)
@@ -4312,4 +4312,27 @@
     sendTestAckResponseMsg( (MSG_ID_T)message->hdr.msgID, result );
 }
 
+void handleDGRTCstatusOverrideRequest( MESSAGE_T * message )
+{
+    TEST_OVERRIDE_PAYLOAD_T payload;
+    BOOL result = FALSE;
+
+    // Verify payload length
+    if ( sizeof(TEST_OVERRIDE_PAYLOAD_T) == message->hdr.payloadLen )
+    {
+        memcpy( &payload, message->payload, sizeof(TEST_OVERRIDE_PAYLOAD_T) );
+        if ( FALSE == payload.reset )
+        {
+            result = testSetRTCstatus( payload.state.u32 );
+        }
+        else
+        {
+            result = testResetRTCstatus();
+        }
+    }
+
+    // Respond to request
+    sendTestAckResponseMsg( (MSG_ID_T)message->hdr.msgID, result );
+}
+
 /**@}*/
Index: firmware/App/Services/SystemCommMessages.h
===================================================================
diff -u -rb8f298547eb578000b3ff3cf55732fda7a689ce0 -r5c608ff3680b15c3ffbb6d486194152d6fb06944
--- firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision b8f298547eb578000b3ff3cf55732fda7a689ce0)
+++ firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision 5c608ff3680b15c3ffbb6d486194152d6fb06944)
@@ -451,6 +451,9 @@
 // MSG_ID_DG_HEATERS_DUTY_CYCLE_OVERRIDE
 void handleTestDGHeatersDutyCycleOverrideRequest( MESSAGE_T *message );
 
+// MSD_ID_DG_RTC_STATUS_OVERRIDE
+void handleDGRTCstatusOverrideRequest( MESSAGE_T *message );
+
 /**@}*/
 
 #endif