POWER STEERING SYSTEM, Diagnostic DTC:U0100, U0129

DTC Code DTC Name
U0100 Lost Communication with ECM / PCM "A"
U0129 Lost Communication with Brake System Control Module

DESCRIPTION

The power steering ECU receives signals from the ECM and skid control ECU via the CAN communication system.

DTC Code DTC Detection Condition Trouble Area
U0100 Lost communication with the ECM/PCM "A".

  • CAN communication system

  • ECM
U0129 Lost communication with the brake system control module.

  • CAN communication system

  • Skid control ECU

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK FOR DTC (CAN COMMUNICATION SYSTEM)


    1. Clear the DTC(s) Click here.

    2. Check for DTCs Click here.

      OK
      DTC is not output.

    NG

    GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) Click here

    OK

    USE SIMULATION METHOD TO CHECK Click here