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)
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.