DYNAMIC REAR STEERING SYSTEM, Diagnostic DTC:U0129/41, U0130/41, U0293/41

DTC Code DTC Name
U0129/41 Lost Communication with Brake System Control Module
U0130/41 Lost Communication with Steering Effort Control Module
U0293/41 Lost Communication with Hybrid Vehicle Control System

DESCRIPTION

The DRS ECU (rear steering control ECU) sends and receives data to and from the skid control ECU assembly, power management control ECU and VGRS ECU (front steering control ECU) via CAN communication.

DTC Code DTC Detection Condition Trouble Area
U0129/41

All conditions are met for approximately 3 seconds or more:


  • 2 seconds or more elapse after turning the power switch on (IG).

  • The power source voltage is 10 to 16 V.

  • The signal from the skid control ECU is lost.

  • Skid control ECU assembly

  • CAN communication system
U0130/41

All conditions are met for approximately 3 seconds or more:


  • 1 second or more elapses after turning the power switch on (IG).

  • The power source voltage is 10 to 16 V.

  • The signal from the VGRS ECU is lost.

  • VGRS ECU (front steering control ECU)

  • CAN communication system
U0293/41

All conditions are met for approximately 3 seconds or more:


  • 1 second or more elapses after turning the power switch on (IG).

  • The power source voltage is 10 to 16 V.

  • The vehicle is being driven at a speed of 20 km/h (12 mph) or more.

  • The signal from the power management control ECU is lost.

  • Power management control ECU

  • CAN communication system

INSPECTION PROCEDURE

Note

Since DTC C15C9/76 is stored in the VGRS ECU (front steering control ECU), after performing repairs on the dynamic rear steering system, clear the DTCs for the VGRS system.

PROCEDURE


  1. CHECK DTC


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      Result
      Result Proceed to
      DTC is not output A
      DTC is output for LHD B
      for RHD C

    B

    GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) Click here

    C

    GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) Click here

    A

    USE SIMULATION METHOD TO CHECK Click here