VARIABLE GEAR RATIO STEERING SYSTEM, Diagnostic DTC:C15C3/75

DTC Code DTC Name
C15C3/75 Brake System Control Module Malfunction

DESCRIPTION

The steering control ECU detects a vehicle speed error by receiving an error signal from the skid control ECU via CAN communication.

If the steering control ECU detects this error signal, it will turn the master warning light on, store this DTC, and stop VGRS operation.

DTC Code DTC Detection Condition Trouble Area
C15C3/75 The steering control ECU receives a vehicle speed error signal via CAN communication.

  • Vehicle stability control system

  • CAN communication system

  • Steering control ECU

PROCEDURE


  1. CHECK DTC (VEHICLE STABILITY CONTROL SYSTEM)


    1. Check for DTCs in the vehicle stability control system Click here.

      Result
      Result Proceed to
      DTC is not output OK
      DTC is output NG

    NG

    GO TO VEHICLE STABILITY CONTROL SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) Click here

    OK

  2. CHECK DTC (CAN COMMUNICATION SYSTEM)


    1. Using the intelligent tester, check if the CAN communication system is functioning normally (See page for LHD, Click here for RHD).

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

    A

    REPLACE STEERING CONTROL ECU Click here

    B

    REPLACE STEERING CONTROL ECU Click here

    C

    GO TO CAN COMMUNICATION SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) Click here

    D

    GO TO CAN COMMUNICATION SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) Click here