Lost Communication with Vehicle Dynamics Control Module - Variable Gear Ratio Steering System

STEERING COLUMN: VARIABLE GEAR RATIO STEERING SYSTEM: U0122/56,U0123/56,U0126/56,U0131/56: Lost Communication with Vehicle Dynamics Control Module
U0131/56 - Lost Communication with Power Steering Control Module

DESCRIPTION

The steering control ECU receives signals from the skid control ECU, yaw rate (deceleration) sensor, steering angle sensor and power steering ECU via CAN communication. When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system first.





INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC

(a) Check for DTCs Diagnosis System.

Result





NG -- GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) How to Proceed With Troubleshooting

OK -- USE SIMULATION METHOD TO CHECK How To Proceed With Troubleshooting