B2500 – Courtesy Lamp Output Check Short To Battery

B2500 Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

B2500 Possible Causes

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

B2500 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.