POWER STEERING SYSTEM, Diagnostic DTC:U0100, U0129, U1110

DTC Code DTC Name
U0100 Lost Communication with ECM / PCM "A"
U0129 Lost Communication with Brake System Control Module
U1110 Lost Communication with Clearance Sonar 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 Note
U0100 Lost Communication with ECM / PCM "A" Lost communication with ECM

  • CAN communication system

  • ECM

 EPS Warning Light: 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 Lost Communication with Brake System Control Module Lost communication with skid control ECU

  • CAN communication system

  • Skid control ECU (Brake actuator assembly)

 EPS Warning Light: Comes on After normal confirmation -
U1110 Lost Communication with Clearance Sonar Module Lost communication with clearance warning ECU assembly

  • CAN communication system

  • Clearance warning ECU assembly

 EPS Warning Light: Comes on After normal confirmation -

PROCEDURE


  1. GO TO CAN COMMUNICATION SYSTEM


    1. Go to CAN communication system.

      w/ Central Gateway ECU: Click here

      w/o Central Gateway ECU: Click here

      Result
      Proceed to
      NEXT

    NEXT

    END