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)
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.