B16D0 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B16D0 – Left DRL Lamp Control Circuit Low

 

B16D0 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B16D0 Possible Causes

 

Faulty Left Front Headlamp Assembly,Left Front Headlamp Assembly harness is open or shorted,Left Front Headlamp Assembly circuit poor electrical connection,Faulty Body Control Module (BCM)

 

B16D0 Description

 

The Body Control Module (BCM) monitors the Left Daytime Running Lights (DRL) Lamp. The BCM sets the OBDII code when the Left DRL Lamp is not to factory specifications.