B1313 - Interior Lighting Output Circuit Short
- Faulty Interior Lamp
- Interior Lamp harness is open or shorted
- Interior Lamp circuit poor electrical connection
- Faulty Body Control Module (BCM)
Tech notesB1313:11 Interior Lighting Output Circuit Short To Ground
B1313:15 Interior Lighting Output Circuit Short To Battery or Open
- Engine Light ON (or Service Engine Soon Warning Light)
B1313 DescriptionThe Body Control Module (BCM) fuse supplies power for the interior courtesy lamps (and the running board lamps if equipped). When the BCM receives the required input (such as an open door or request from the instrument panel dimmer switch), it provides voltage to the interior courtesy lamps. This Diagnostic Trouble Code (DTC) sets when the BCM detects a short to ground or open from the courtesy lighting output circuit.
B1313 Information for specific makes
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