B2499 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B2499 – Courtesy Lamp Output Failure


B2499 Possible Symptoms


Engine Light ON (or Service Engine Soon Warning Light)


B2499 Possible Causes


Faulty Courtesy Lamp,Courtesy Lamp harness is open or shorted,Courtesy Lamp circuit poor electrical connection


B2499 Description


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