C0660 Code: Meaning, Causes, and Symptoms | OBD2 Codes
C0660 – Level Control Exhaust Valve Circuit Malfunction
C0660 Possible Symptoms
Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)
C0660 Possible Causes
Faulty Level Control Exhaust Valve,Level Control Exhaust Valve harness is open or shorted,Level Control Exhaust Valve circuit poor electrical connection
The automatic level control adjusts the vehicle suspension ride height. The Rear Integration Module (RIM) determines the height of the vehicle based on the voltage from the automatic level control sensor. The RIM raises and lowers the rear of the vehicle in order to keep the vehicle level.