POWER STEERING SYSTEM, Diagnostic DTC:U0100, U0129, U0130, U0132, U0134, U1103, U1104

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
U0134 Lost Communication with DRS Module
U1103 Lost Communication with Stop and Start Control Module
U1104 Lost Communication with Driving Support ECU

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), DRS ECU (rear steering control ECU), engine stop and start ECU and forward recognition camera 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
U0134 Lost Communication with DRS Module Lost communication with DRS ECU (rear steering control ECU)

  • CAN communication system

  • DRS ECU (Rear steering control ECU)

 EPS warning light: Does not come on w/ Dynamic Rear Steering 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
U1104 Lost Communication with Driving Support ECU Lost communication with forward recognition camera

  • CAN communication system

  • Forward recognition camera

 EPS warning light: Does not come on w/ Forward Recognition Camera

PROCEDURE


  1. GO TO CAN COMMUNICATION SYSTEM


    1. Go to CAN communication system.

      Click here

      Result
      Proceed to
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    END