Possible causes

– Steering Angle Sensor harness is open or shorted
– Steering Angle Sensor circuit poor electrcial connection
– Faulty Steering Angle Sensor

When is the code detected?

Neutral position of steering angle sensor is dislocated, or steering angle sensor is malfunctioning.

Symptoms

– ABS Warning Light ON

C1143 INFINITI Description

The steering angle sensor is located behind the steerin 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.