B16D1 Code: Meaning, Causes, and Symptoms | OBD2 Codes
B16D1 – Left DRL Lamp Control Circuit High
B16D1 Possible Symptoms
Engine Light ON (or Service Engine Soon Warning Light)
B16D1 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)
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.