B1503 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1503 – Lamp Turn Signal Right Circuit Failure


B1503 Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


B1503 Possible Causes


Faulty Lamp Turn Signal Right,Lamp Turn Signal Right harness is open or shorted,Lamp Turn Signal Right circuit poor electrical connection


B1503 Description


The Body Control Module (BCM) monitors the Lamp Turn Signal Right. The BCM sets the OBDII code when the Lamp Turn Signal Right is not to factory specifications.