Index: firmware/App/Services/SystemComm.c
===================================================================
diff -u -rda7e8c1b71db9273f83e9d0ba7d20e74e758a8ad -r64807fd74f2b3b2cb7a08f8045a43677b2f2f820
--- firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision da7e8c1b71db9273f83e9d0ba7d20e74e758a8ad)
+++ firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision 64807fd74f2b3b2cb7a08f8045a43677b2f2f820)
@@ -1704,6 +1704,10 @@
                 handleAirPumpSetState( message );
                 break;
 
+            case MSD_ID_HD_RTC_STATUS_OVERRIDE:
+                handleHDRTCstatusOverrideRequest( message );
+                break;
+
             // The default cannot be reached in VectorCAST since the cases are run in a for loop
             default:
                 // Unrecognized message ID received - ignore
Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -r660876bca7ae34f862ae9cc6feef9a30ec02fe94 -r64807fd74f2b3b2cb7a08f8045a43677b2f2f820
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 660876bca7ae34f862ae9cc6feef9a30ec02fe94)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 64807fd74f2b3b2cb7a08f8045a43677b2f2f820)
@@ -7760,4 +7760,28 @@
      sendTestAckResponseMsg( (MSG_ID_T)message->hdr.msgID, result );
 }
 
+void handleHDRTCstatusOverrideRequest( 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 -r660876bca7ae34f862ae9cc6feef9a30ec02fe94 -r64807fd74f2b3b2cb7a08f8045a43677b2f2f820
--- firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision 660876bca7ae34f862ae9cc6feef9a30ec02fe94)
+++ firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision 64807fd74f2b3b2cb7a08f8045a43677b2f2f820)
@@ -861,6 +861,9 @@
 // MSG_ID_HD_AIR_PUMP_SET_STATE
 void handleAirPumpSetState( MESSAGE_T * message );
 
+// MSD_ID_HD_RTC_STATUS_OVERRIDE
+void handleHDRTCstatusOverrideRequest( MESSAGE_T * message );
+
 /**@}*/
 
 #endif