C1566 – Left Rear Ride Height Level Performance

C1566 Possible Symptoms

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

C1566 Possible Causes

Air System Leak,Faulty Air Suspension Control Module (ASCM)

C1566 Description

The Air Suspension Control Module (ASCM) monitors the Ride Height Air Pump. The ASCM sets the OBDII code when it detects the Air Spring Valve as been used for a time exceeding three minutes within the last ten minutes.