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 inputs and outputs ECM, skid control ECU and driving support ECU signals via CAN communication.

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Note
U0100 Lost Communication with ECM / PCM "A" Lost communication with ECM

  • CAN communication system

  • ECM

 EPS warning light: Does not come on -
U0129 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)

 EPS warning light: Comes on -
U1104 Lost Communication with Driving Support ECU Lost Communication with Forward Recognition Camera

  • CAN communication system

  • Forward Recognition Camera

 EPS warning light: Does not come on w/ Pre-crash Safety System

PROCEDURE


  1. GO TO CAN COMMUNICATION SYSTEM


    1. Go to CAN communication system.

      for RHD: Click here

      for LHD: Click here

      Result
      Proceed to
      NEXT

    NEXT

    END