C1866 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C1866 – Air Suspension Rear Inflator Solenoid Output Circuit Open

 

C1866 Possible Symptoms

 

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

 

C1866 Possible Causes

 

Faulty Air Suspension Rear Inflator Solenoid,Air Suspension Rear Inflator Solenoid harness is open or shorted,Air Suspension Rear Inflator Solenoid circuit poor electrical connection,Faulty Vehicle Dynamic Module (VDM)

 

C1866 Description

 

The Vehicle Dynamic Module (VDM) monitors the Air Suspension Rear Inflator Solenoid. The VDM sets the OBDII code when the Air Suspension Rear Inflator Solenoid is not to factory specifications.