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

  • Electronically controlled brake system

  • CAN communication system

  • Steering control ECU

PROCEDURE


  1. CHECK DTC (ELECTRONICALLY CONTROLLED BRAKE SYSTEM)


    1. Check for DTCs in the electronically controlled brake system Click here.

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

    NG

    GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) Click here

    OK

  2. CHECK DTC (CAN COMMUNICATION SYSTEM)


    1. Check for DTCs in the CAN communication system Click here.

      Result
      Result Proceed to
      DTC is not output A

      for LHD:

      DTC is output

      		 B

      for RHD:

      DTC is output

      		 C

    A

    REPLACE STEERING CONTROL ECU Click here

    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