U0073

BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: U0073, U0100, U0123, U0124, U0126: Control Module Communication Bus OFF
U0126 - Lost Communication with Steering Angle Sensor Module

DESCRIPTION

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





INSPECTION PROCEDURE

PROCEDURE

1. RECONFIRM DTC

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

(b) Turn the ignition switch off.

(c) Start the engine.

(d) Drive the vehicle at a speed of 15 km/h (9 mph) or more and turn the steering wheel to the right and left.

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

HINT
If a CAN communication system DTC and the relevant sensor DTCs are output simultaneously, troubleshoot the relevant sensor DTCs (for ABS and VSC) after the CAN communication system returns to normal.

Result





C -- CHECK FOR INTERMITTENT PROBLEMS (SYMPTOM SIMULATION) Check for Intermittent Problems

B -- REPAIR CIRCUIT INDICATED BY OUTPUT
DTC Vehicle Stability Control System

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