Index: firmware/App/Services/SystemComm.c
===================================================================
diff -u -r19f13e67288117e7f81c1245a75cc6b5f8aaf899 -rfd7ad1353228d1260761d9afbef807400c7dd3fd
--- firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision 19f13e67288117e7f81c1245a75cc6b5f8aaf899)
+++ firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision fd7ad1353228d1260761d9afbef807400c7dd3fd)
@@ -900,7 +900,14 @@
                 U16 msgID;
 
                 memcpy( &msgID, (U08*)&pendingAckList[ i ].msg[ sizeof( U08 ) + sizeof( U16) ], sizeof( U16 ) );
-                SET_ALARM_WITH_1_U32_DATA( ALARM_ID_HD_CAN_MESSAGE_NOT_ACKED, (U32)msgID );
+                if ( pendingAckList[ i ].channel != COMM_BUFFER_OUT_CAN_HD_2_DG )
+                {
+                    SET_ALARM_WITH_1_U32_DATA( ALARM_ID_HD_CAN_MESSAGE_NOT_ACKED_UI, (U32)msgID );
+                }
+                else
+                {
+                    SET_ALARM_WITH_1_U32_DATA( ALARM_ID_HD_CAN_MESSAGE_NOT_ACKED_DG, (U32)msgID );
+                }
                 pendingAckList[ i ].used = FALSE;  // Take pending message off of list
             }
         }