Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2000 Chevrolet Camaro SS, 2D Coupe, AutomaticFACTORY OEM SERVICE PROCEDURE
DTC 21/31: Courtesy Lights Feed Circuit Shorted To Ground: Testing
NOTE:
Incorrect installation of aftermarket electronic equipment may effect system operation.
- Turn ignition switch to OFF position. Remove and check COURTESY fuse No. 8 (20-amp) from instrument panel fuse block. If fuse is open, go to next step. If fuse is okay, go to step 3 .
- Check for short to ground in Orange wire between BCM and instrument panel fuse block. Repair wire as necessary. If wire is okay, replace COURTESY fuse.
- Disconnect BCM connector C2. Connect a test light between BCM connector C2 terminal "B" (Orange wire) and ground. See Figure . If test light comes on, go to step 5 . If test light does not come on, go to next step.
- Repair open in Orange wire between BCM and instrument panel fuse block and/or open in Red wire between instrument panel and fusible link "E".
- Ensure glove box is closed. Using DVOM, check continuity between BCM connector C2 terminal "E" (Dark Blue/White wire) and ground. If resistance is zero ohms, go to next step. If resistance is more than zero ohms, go to step 7 .
- Repair short to ground in Dark Blue/White wire between BCM and appropriate interior light.
- Replace BCM. See BODY CONTROL MODULE (BCM) under REMOVAL & INSTALLATION.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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