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)


C15AE Description


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.