C1231 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C1231 – Steering Angle Sensor Circuit Malfunction


C1231 Possible Symptoms


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


C1231 Possible Causes


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


C1231 Description


The Skid Control ECU inputs the steering sensor signal through the CAN communication. The Skid Control ECU sets the OBDII code when a malfunction occurs in the communication line with the steering sensor.