Navigation System

NAVIGATION: NAVIGATION SYSTEM: U0073: Control Module Communication Bus Off
U0073 - Control Module Communication Bus Off

DESCRIPTION

This DTC is stored when a CAN communication circuit malfunction is detected by navigation receiver assembly self check.





INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC

(a) Clear the DTCs Reading and Clearing Diagnostic Trouble Codes.

(b) Recheck for DTCs and check if the same trouble occurs again.

OK:

No DTCs are output.

NG -- GO TO CAN COMMUNICATION SYSTEM How to Proceed With Troubleshooting

OK -- USE SIMULATION METHOD TO CHECK How To Proceed With Troubleshooting