POWER STEERING SYSTEM, Diagnostic DTC:U0100, U0129, U1104

DTC Code DTC Name
U0100 Lost Communication with ECM / PCM "A"
U0129 Lost Communication with Brake System Control Module
U1104 Lost Communication with Driving Support ECU

DESCRIPTION

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

DTC No. DTC Detection Condition Trouble Area
U0100 Lost communication with ECM/PCM "A"

  • CAN communication system

  • ECM
U0129 Lost communication with brake system control module

  • CAN communication system

  • Brake actuator assembly (Skid control ECU)
U1104 Lost communication with driving support ECU

  • CAN communication system

  • Driving support ECU

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK FOR DTC (CAN COMMUNICATION SYSTEM)


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      OK
      DTC is not output.

    NG

    GO TO CAN COMMUNICATION SYSTEM Click here

    OK

    CHECK INTERMITTENT PROBLEMS Click here