POWER STEERING SYSTEM, Diagnostic DTC:U0100/41, U0129/42

DTC Code DTC Name
U0100/41 Lost Communication with ECM/PCM "A"
U0129/42 Lost Communication with Brake System Control Module

DESCRIPTION

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

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Return-to-normal Condition
U0100/41 Lost Communication with ECM/PCM "A" Lost communication with ECM

  • CAN communication system

  • ECM

 When an error occurs during steering assist, the warning light does not illuminate. For errors that occur before assist (at the time of the decision to start assist), the warning light illuminates. After normal confirmation
U0129/42 Lost Communication with Brake System Control Module Lost communication with skid control ECU (brake actuator assembly)

  • CAN communication system

  • Skid control ECU (brake actuator assembly)

 On After normal confirmation

PROCEDURE


  1. GO TO CAN COMMUNICATION SYSTEM


    1. Go to CAN Communication System.

      for LHD with Central Gateway ECU: Click here

      for RHD with Central Gateway ECU: Click here

      for LHD without Central Gateway ECU: Click here

      for RHD without Central Gateway ECU: Click here

      Result
      Proceed to
      NEXT

    NEXT

    END