C1143 Code: Meaning, Causes, and Symptoms | OBD2 Codes
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
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.