B1797 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1797 – Lamp Headlamp Low-Beam Circuit Short To Ground

 

B1797 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1797 Possible Causes

 

Faulty Lamp Headlamp Low-Beam,Lamp Headlamp Low-Beam harness is open or shorted,Lamp Headlamp Low-Beam circuit poor electrical connection,Faulty Body Control Module (BCM)

 

B1797 Description

 

The Body Control Module (BCM) monitors the Lamp Headlamp Low-Beam. The BCM sets the OBDII code when the Lamp Headlamp Low-Beam is not to factory specifications.