POWER STEERING SYSTEM, Diagnostic DTC:U0100 and U0129

DTC Code DTC Name
U0100 Lost Communication with ECM / PCM "A"
U0129 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 CAN communication.

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 (Brake actuator assembly)

  • CAN communication system

  • Skid control ECU (Brake actuator assembly)

EPS warning light: Comes on

After normal confirmation

-

PROCEDURE

  1. GO TO CAN COMMUNICATION SYSTEM

    1. Go to CAN communication system.

      Click hereClick here

    Result

    Proceed to

    NEXT
    NEXT

    END