Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -r4bae2d153f4242a52c8602df3e5161d6f1f122ef -r9cfa5c89c5998a5c3ee287201b8e82e2e54a8e49
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 4bae2d153f4242a52c8602df3e5161d6f1f122ef)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 9cfa5c89c5998a5c3ee287201b8e82e2e54a8e49)
@@ -2276,7 +2276,7 @@
     }
     else
     {
-        sendAckResponseMsg( (MSG_ID_T)message->hdr.msgID, COMM_BUFFER_OUT_CAN_HD_2_UI, ACK_NOT_REQUIRED );
+        sendAckResponseMsg( (MSG_ID_T)message->hdr.msgID, COMM_BUFFER_OUT_CAN_HD_2_UI, FALSE );
     }
 }