Dtc C15C3/75 Brake System Control Module Malfunction

Steering. Lexus Gs430, Gs300. Uzs190 Grs190
Steering Column. Lexus Gs430, Gs300. Uzs190 Grs190

DESCRIPTION

INSPECTION PROCEDURE

CHECK DTC

CHECK DTC

DTC 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 No.
DTC Detecting Condition
Trouble Area
C15C3/75
The steering control ECU receives a vehicle speed error signal via CAN communication.
  1. Skid control ECU
  2. CAN communication system
  3. Steering control ECU

INSPECTION PROCEDURE

1.CHECK DTC

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

    OK:
    DTC is not output.


NG
REPAIR CIRCUIT INDICATED BY DTC OUTPUT
OK


2.CHECK DTC

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

    Result:

    Result
    		Proceed to
    DTC is not output.
    		A
    DTC is output.
    		B


NG
REPAIR CIRCUIT INDICATED BY DTC OUTPUT
OK

REPLACE STEERING CONTROL ECU