C15C3

VARIABLE GEAR RATIO STEERING: VARIABLE GEAR RATIO STEERING SYSTEM: C15C3/75: Brake System Control Module Malfunction
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.





INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC (VEHICLE STABILITY CONTROL SYSTEM)

(a) Check for DTCs in the vehicle stability control system Reading and Clearing Diagnostic Trouble Codes.

Result





NG -- GO TO VEHICLE STABILITY CONTROL SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) Vehicle Stability Control System
OK -- Continue to next step.

2. CHECK DTC (CAN COMMUNICATION SYSTEM)

(a) Using the Techstream, check if the CAN communication system is functioning normally Diagnosis System.

Result





B -- GO TO CAN COMMUNICATION SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) CAN Communication System

A -- REPLACE STEERING CONTROL ECU Removal