Lighting System

LIGHTING (EXT): LIGHTING SYSTEM: U0101,U0073,U0126,U0129,U0142,U0163,U0182,U0293,U1000,U1121: Lost Communication with TCM
U1121 - Lost Communication with Driver Seat Module

DESCRIPTION

The DTCs are stored when the CAN communication system is malfunctioning.





INSPECTION PROCEDURE

PROCEDURE

1. CHECK FOR DTC

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

(b) Check for DTCs Reading and Clearing Diagnostic Trouble Codes.

OK:

DTCs are not output.

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

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