C15AE Code: Meaning, Causes, and Symptoms | OBD2 Codes
C15AE – Air Suspension Compressor Pressure Line Leak
C15AE Possible Symptoms
Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)
C15AE Possible Causes
Air Suspension Compressor Air Line,Air Suspension Compressor Assembly,Faulty Air Suspension Control Module (ASCM)
The air compressor has an air line which connects the reversing valve to the valve block. The Air Suspension Control Module (ASCM) monitors the pressure this air line when it is pressured. After a time the pressure is checked again to see if there is any pressure loss. Any appreciable pressure loss indicates that this air line has a leak.