B1687 - Lamp Dome Input Circuit Short To Battery
- Faulty Lamp Dome Switch
- Lamp Dome Switch harness is open or shorted
- Lamp Dome Switch circuit poor electrical connection
- Faulty Body Control Module (BCM)
- Engine Light ON (or Service Engine Soon Warning Light)
B1687 DescriptionThe Body Control Module (BCM) monitors the Lamp Dome Switch. The BCM sets the OBDII code when the Lamp Dome Switch is not to factory specifications.
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