Dtc C15C3/75 Brake System Control Module Malfunction

Steering. Land Cruiser. Urj200, 202 Grj200 Vdj200
Variable Gear Ratio Steering. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

INSPECTION PROCEDURE

CHECK DTC (VEHICLE STABILITY CONTROL SYSTEM)

CHECK DTC (CAN COMMUNICATION SYSTEM)

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 Code
DTC Detection Condition
Trouble Area
C15C3/75
The steering control ECU receives a vehicle speed error signal via CAN communication.
  1. Vehicle stability control system
  2. CAN communication system
  3. Steering control ECU

INSPECTION 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 (Click here 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



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)
A

REPLACE STEERING CONTROL ECU (Click here)