C1806 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C1806 – Air Suspension Vehicle Height Sensor Fix

 

C1806 Possible Symptoms

 

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

 

C1806 Possible Causes

 

Faulty Vehicle Height Sensor,Vehicle Height Sensor harness is open or shorted,Vehicle Height Sensor circuit poor electrical connection,Faulty Air Levelizer Control Module

 

C1806 Description

 

The Air Levelizer Control Module monitors the Vehicle Height Sensor. The Air Levelizer Control Module sets the OBDII code when the Vehicle Height Sensor is not to factory specifications.