C1543 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C1543 – Air Suspension Right Rear Ride Height Level Control


C1543 Possible Symptoms


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


C1543 Possible Causes


Faulty Right Rear Ride Air Spring Control Valve,Faulty Air Suspension Solenoid,Air Suspension Solenoid harness is open or shorted,Air Suspension Solenoid circuit poor electrical connection,Faulty Air Suspension Control Module (ASCM)


C1543 Description


The Air Suspension Control Module (ASCM) monitors the Right Rear Ride Air Spring Control Valve. The ECM sets the OBDII code when the Air Suspension Control Module (ASCM) detects when the Right Rear Ride Air Spring Control Valve is not to factory specifications while the ignition is in the Run position.