Index: firmware/App/Services/SystemComm.c
===================================================================
diff -u -rec4a8156ebdaf7396a0242addacfa01439d8a38e -rb31663d15d75704e15c0067e71e00f731629ad95
--- firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision ec4a8156ebdaf7396a0242addacfa01439d8a38e)
+++ firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision b31663d15d75704e15c0067e71e00f731629ad95)
@@ -1165,6 +1165,10 @@
                 handleSetFansDutyCycleOverrideRequest( message );
                 break;
 
+            case MSG_ID_DG_HD_COMMUNICATION_STATUS_OVERRIDE:
+                handleTestHDCommunicationStatusOverrideRequest( message );
+                break;
+
             default:
                 // TODO - unrecognized message ID received - ignore
                 break;