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 Variable Gear Ratio Steering System.
Result:
NG -- GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) How to Proceed With Troubleshooting
OK -- END