Index: firmware/App/Services/SystemCommMessages.h
===================================================================
diff -u -rf5d0c90297a0716e1fb5a5c946436cccd35050e5 -rdea90cb6d941a0d70c1666a11a0199e147dea764
--- firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision f5d0c90297a0716e1fb5a5c946436cccd35050e5)
+++ firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision dea90cb6d941a0d70c1666a11a0199e147dea764)
@@ -127,5 +127,10 @@
 // MSG_ID_DRAIN_PUMP_SEND_INTERVAL_OVERRIDE:
 void handleTestDrainPumpDataBroadcastIntervalOverrideRequest( MESSAGE_T *message );
 
+#ifdef CAN_TEST
+// MSG_ID_DG_CAN_TEST_1_LARGE_FREQ
+void broadcastCANTest1LargeFrequentMessage();
 #endif
 
+#endif
+