C0631 Code: Meaning, Causes, and Symptoms | OBD2 Codes
C0631 – Right Rear Height Air Suspension Sensor Voltage
C0631 Possible Symptoms
Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)
C0631 Possible Causes
Faulty Right Rear Height Air Suspension Sensor,Right Rear Air Suspension Sensor harness is open or shorted,Right Rear Air Suspension Sensor circuit poor electrical connection
The Air Suspension Sensor provides a signal voltage between 0.3 and 4.7 volts to the Air Suspension Module. This signal voltage represents the wheel’s position relative to the body. The Air Suspension Module provides a 5 volt reference and a low reference to the sensor.