Power Steering System

POWER STEERING: POWER STEERING SYSTEM (for 1UR-FE): U0073: Control Module Communication Bus Off
U0073 - Control Module Communication Bus Off

DESCRIPTION

The power steering ECU receives signals from the ECM, steering angle sensor and skid control ECU via the CAN communication system.





INSPECTION PROCEDURE

PROCEDURE

1. CHECK FOR DTC (CAN COMMUNICATION SYSTEM)

(a) Clear the DTCs Reading and Clearing Diagnostic Trouble Codes.

(b) Check for DTCs Reading and Clearing Diagnostic Trouble Codes.

Result





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

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