B1807 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1807 – Lamp Tail Output Circuit Open

 

B1807 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1807 Possible Causes

 

Faulty Lamp Tail,Lamp Tail harness is open or shorted,Lamp Tail circuit poor electrical connection,Faulty Body Control Module (BCM)

 

B1807 Description

 

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