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.

  • Skid control ECU

  • CAN communication system

  • Steering control ECU

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK DTC (ELECTRONICALLY CONTROLLED BRAKE SYSTEM)


    1. Check for DTCs in the skid control ECU Click here.

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

    NG

    REPAIR CIRCUIT INDICATED BY DTC OUTPUT

    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
      DTC is output B

    B

    REPAIR CIRCUIT INDICATED BY DTC OUTPUT

    A

    REPLACE STEERING CONTROL ECU Click here