C1790 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C1790 – Air Suspension Left Rear Air Spring/Shock Solenoid Output Circuit Failure

 

C1790 Possible Symptoms

 

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

 

C1790 Possible Causes

 

Faulty Air Suspension Left Rear Air Spring/Shock Solenoid,Air Suspension Left Rear Air Spring/Shock Solenoid harness is open or shorted,Air Suspension Left Rear Air Spring/Shock Solenoid circuit poor electrical connection,Faulty Vehicle Dynamic Module (VDM)

 

C1790 Description

 

The Vehicle Dynamic Module (VDM) will command the air spring solenoid(s) ON or OFF when certain conditions are met. The VDM monitors the Air Suspension Left Rear Air Spring/Shock Solenoid. The VDM sets the OBDII code when the Air Suspension Left Rear Air Spring/Shock Solenoid is not to factory specifications.