POWER STEERING SYSTEM, Diagnostic DTC:U0100,U0129 and 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