UF1AE Transfer Case Four Wheel Drive Control System

UF1AE TRANSFER: FOUR WHEEL DRIVE CONTROL SYSTEM: U0073/86, U0100/85, U0126/84, U0129/83: Control Module Communication Bus OFF
U0129/83 - Lost Communication with Brake System Control Module

DESCRIPTION

* The 4WD control ECU inputs the signals sent from the ECM, skid control ECU, and steering angle sensor via the CAN communication system.

* When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system before repairing each corresponding sensor.





INSPECTION PROCEDURE

Go to CAN communication system for troubleshooting How to Proceed With Troubleshooting.

HINT
When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system before repairing each corresponding sensor.