B16D3 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B16D3 – Right DRL Lamp Control Circuit

 

B16D3 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B16D3 Possible Causes

 

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

 

B16D3 Description

 

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