C1143 – Steering Angle Sensor Circuit

C1143 Possible Symptoms

Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)

C1143 Possible Causes

Faulty Steering Angle Sensor,Steering Angle Sensor harness is open or shorted,Steering Angle Sensor circuit poor electrical connection

C1143 Description

The steering angle sensor is located behind the steering wheel. The sensor detects the rotation amount, angular velocity and direction of the steering wheel, and transmits the data to the Anti-lock Braking System (ABS) actuator and electric unit (control unit) via Control Area Network (CAN) communication.