POWER STEERING SYSTEM, Diagnostic DTC:U0100/41, U0129/42, U0130/44, U0132/43, U0134/44, U1104/45

DTC Code DTC Name
U0100/41 Lost Communication with ECM/PCM "A"
U0129/42 Lost Communication with Brake System Control Module
U0130/44 Lost Communication with Steering Effort Control Module
U0132/43 Lost Communication with Ride Level Control Module
U0134/44 Lost Communication with DRS Module
U1104/45 Lost Communication with Driving Support ECU

DESCRIPTION

The power steering ECU inputs and outputs ECM, skid control ECU, VGRS ECU (front steering control ECU), absorber control ECU, DRS ECU (rear steering control ECU) and driving support ECU signals via CAN communication.

DTC Code DTC Detection Condition Trouble Area
U0100/41 An ECM communication error.

  • CAN communication system

  • ECM
U0129/42 A skid control ECU communication error.

  • CAN communication system

  • Skid control ECU (brake actuator assembly)
U0130/44 A VGRS ECU (front steering control ECU) communication error.

  • CAN communication system

  • VGRS ECU (front steering control ECU)
U0132/43 An absorber control ECU communication error.

  • CAN communication system

  • Absorber control ECU
U0134/44 A DRS ECU (rear steering control ECU) communication error.

  • CAN communication system

  • DRS ECU (rear steering control ECU)
U1104/45 A driving support ECU communication error.

  • 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.

      Result
      Result Proceed to
      DTC is not output A
      DTC is output for LHD B
      for RHD C

    B

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

    C

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

    A

    USE SIMULATION METHOD TO CHECK Click here