Power Steering System (for Hatchback) (from 07/2011)

POWER ASSIST SYSTEMS: POWER STEERING SYSTEM (for Hatchback): U0100, U0129: Lost Communication with ECM / PCM "A"
U0129 - Lost Communication with Brake System Control Module

DESCRIPTION

The power steering ECU assembly receives signals from the ECM and the brake actuator assembly (skid control ECU) via the CAN communication system.





INSPECTION PROCEDURE

PROCEDURE

1. CONFIRM DTC

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

Result





B -- GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) How To Proceed With Troubleshooting (from 07/2011)

C -- GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) How To Proceed With Troubleshooting (from 07/2011)

A -- USE SIMULATION METHOD TO CHECK Electronic Circuit Inspection Procedure