C1818 Code: Meaning, Causes, and Symptoms | OBD2 Codes
C1818 – Air Suspension LR Air Compress Request Exceeded Max Timing
C1818 Possible Symptoms
Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)
C1818 Possible Causes
Faulty Air Suspension Height Sensor,Air Suspension Height Sensor harness is open or shorted,Air Suspension Height Sensor circuit poor electrical connection,Faulty Vehicle Dynamics Module (VDM)
The Vehicle Dynamics Module (VDM) monitors the Air Suspension LR Air Compress. The VDM sets the OBDII code when the Air Suspension LR Air Compress is not to factory specifications.