B1312 Code: Meaning, Causes, and Symptoms | OBD2 Codes
B1312 – Lamp Headlamp Input Circuit Short To Battery
B1312 Possible Symptoms
Engine Light ON (or Service Engine Soon Warning Light)
B1312 Possible Causes
Faulty Lamp Headlamp,Lamp Headlamp harness is open or shorted,Lamp Headlamp circuit poor electrical connection,Faulty Body Control Module (BCM)
The Body Control Module (BCM) monitors the Lamp Headlamp. The BCM sets the OBDII code when the Lamp Headlamp is not to factory specifications.