FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Interior Lighting



Test 1 - 2:




Test 3:






SYMPTOM
COURTESY LAMP OUTPUT SHORTED TO BATTERY

WHEN MONITORED
Ignition in RUN and IOD fuse/connector installed.

SET CONDITION
The BCM has detected a shorted to battery on the Courtesy Lamp Driver
circuit for 5 seconds.

POSSIBLE CAUSES
- Shorted bulb
- Courtesy lamp driver circuit shorted to voltage
- Body control module
- Courtesy lamps driver circuit shorted to voltage