C1918 Code: Meaning, Causes, and Symptoms | OBD2 Codes
C1918 – Air Suspension Ride Height Select Switch Circuit Failure
C1918 Possible Symptoms
Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)
C1918 Possible Causes
Faulty Air Suspension Ride Height Select Switch,Air Suspension Ride Height Select Switch harness is open or shorted,Air Suspension Ride Height Select Switch circuit poor electrical connection
C1918 Description
The Air Suspension Module monitors the Air Suspension Ride Height Select Switch. The Air Suspension Module sets the OBDII code when the Air Suspension Ride Height Select Switch is not to factory specifications.