C1566 Code: Meaning, Causes, and Symptoms | OBD2 Codes

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.