POWER STEERING SYSTEM, Diagnostic DTC:U0129, U0293, U1110

DTC Code DTC Name
U0129 Lost Communication with Brake System Control Module
U0293 Lost Communication with Hybrid Control Module
U1110 Lost Communication with Clearance Sonar Module

DESCRIPTION

The power steering ECU assembly receives signals from the hybrid vehicle control ECU assembly and skid control ECU (brake booster with master cylinder assembly) via the CAN communication system.

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Return-to-normal Condition Note
U0129 Lost Communication with Brake System Control Module Lost communication with skid control ECU

  • CAN communication system

  • Skid control ECU (Brake booster with master cylinder assembly)

 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 -
U0293 Lost Communication with Hybrid Control Module Lost communication with hybrid vehicle control ECU assembly

  • CAN communication system

  • Hybrid vehicle control ECU 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.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

    END