B16D4 Code: Meaning, Causes, and Symptoms | OBD2 Codes
B16D4 – Right DRL Lamp Control Circuit Low
B16D4 Possible Symptoms
Engine Light ON (or Service Engine Soon Warning Light)
B16D4 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)
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.