Navigation System (from 12/2010)
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 DTC Check / Clear (from 12/2010).
(b) Recheck for DTCs and check if the same DTC is output again.
OK:
No DTCs are output.
NG -- GO TO CAN COMMUNICATION SYSTEM Initial Inspection and Diagnostic Overview
OK -- USE SIMULATION METHOD TO CHECK How To Proceed With Troubleshooting