POWER STEERING SYSTEM, Diagnostic DTC:U0126, U0129, U0130, U0134, U023A, U0293

DTC Code DTC Name
U0126 Lost Communication with Steering Angle Sensor Module
U0129 Lost Communication with Brake System Control Module
U0130 Lost Communication with Steering Effort Control Module
U0134 Lost Communication with DRS Module
U023A Lost Communication with Front Camera Module
U0293 Lost Communication with Hybrid Control Module

DESCRIPTION

The power steering ECU (rack and pinion power steering gear assembly) receives signals from the steering sensor, skid control ECU assembly, VGRS ECU (front steering control ECU)*, DRS ECU (rear steering control ECU)*, forward recognition camera, and hybrid vehicle control ECU assembly via CAN communication.


DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Return-to-normal Condition Note
U0126 Lost Communication with Steering Angle Sensor Module Lost communication with steering sensor

  • Steering sensor

  • CAN communication system

  • Rack and pinion power steering gear assembly

 EPS warning light: Comes on After the CAN communication returns to normal -
U0129 Lost Communication with Brake System Control Module Lost communication with skid control ECU assembly

  • Skid control ECU assembly

  • CAN communication system

  • Rack and pinion power steering gear assembly

 EPS warning light: Comes on After the CAN communication returns to normal -
U0130 Lost Communication with Steering Effort Control Module Lost communication with VGRS ECU (front steering control ECU)

  • VGRS ECU (front steering control ECU)

  • CAN communication system

  • Rack and pinion power steering gear assembly

 EPS warning light: Comes on After the CAN communication returns to normal -
U0134 Lost Communication with DRS Module Lost communication with DRS ECU (rear steering control ECU)

  • DRS ECU (rear steering control ECU)

  • CAN communication system

  • Rack and pinion power steering gear assembly

 EPS warning light: Does not come on After the CAN communication returns to normal -
U023A Lost Communication with Front Camera Module Lost communication with forward recognition camera

  • Forward recognition camera

  • CAN communication system

  • Rack and pinion power steering gear assembly

 EPS warning light: Does not come on After the CAN communication returns to normal -
U0293 Lost Communication with Hybrid Control Module Lost communication with hybrid vehicle control ECU assembly

  • Hybrid vehicle control ECU assembly

  • CAN communication system

  • Rack and pinion power steering gear assembly

 EPS warning light: Does not come on After the CAN communication returns to normal -

PROCEDURE


  1. GO TO CAN COMMUNICATION SYSTEM


    1. Go to CAN communication system.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

    END