Power Steering System

POWER ASSIST SYSTEMS: POWER STEERING SYSTEM: U0129, U0293, U1105: Lost Communication with Brake System Control Module
U1105 - Lost Communication with Parking Assist ECU

DESCRIPTION

The power steering ECU assembly receives signals from the brake booster with master cylinder (skid control ECU), the power management control ECU, the parking assist ECU via the CAN communication system.





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:

DTC is not output.

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

OK -- CHECK INTERMITTENT PROBLEMS How To Proceed With Troubleshooting