POWER STEERING SYSTEM, Diagnostic DTC:U0100, U0129, U0130, U0132, U1103

DTC Code DTC Name
U0100 Lost Communication with ECM / PCM "A"
U0129 Lost Communication with Brake System Control Module
U0130 Lost Communication with Steering Effort Control Module
U0132 Lost Communication with Ride Level Control Module
U1103 Lost Communication with Stop and Start Control Module

DESCRIPTION

The power steering ECU assembly receives signals from the ECM, skid control ECU (brake actuator assembly), VGRS ECU (front steering control ECU), AVS ECU (absorber control ECU) and engine stop and start ECU 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 -
U0130 Lost Communication with Steering Effort Control Module Lost communication with VGRS ECU (front steering control ECU)

  • CAN communication system

  • VGRS ECU (Front steering control ECU)

 EPS warning light: Comes on w/ Variable Gear Ratio Steering System
U0132 Lost Communication with Ride Level Control Module Lost communication with AVS ECU (absorber control ECU)

  • CAN communication system

  • AVS ECU (Absorber control ECU)

 EPS warning light: Does not come on w/ Adaptive Variable Suspension System
U1103 Lost Communication with Stop and Start Control Module Lost communication with engine stop and start ECU

  • CAN communication system

  • Engine stop and start ECU

 EPS warning light: Does not come on w/ Stop and Start System

PROCEDURE


  1. GO TO CAN COMMUNICATION SYSTEM


    1. Go to CAN communication system.

      Click here

      Result
      Proceed to
      NEXT

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    END