C156E Code: Meaning, Causes, and Symptoms | OBD2 Codes

C156E – Ride Height System Calibration Performance


C156E Possible Symptoms


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


C156E Possible Causes


Air Suspension Height Sensor Not Calibrated,Faulty Air Suspension Control Module (ASCM)


C156E Description


The Air Suspension Control Module (ASCM) monitors the Ride Height Air Pump. The ASCM sets the OBDII code when it detects that all of the height sensors have not been calibrated.