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.
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HOMESERVICE MANUALSCHEVROLET2000CAB & CHASSIS C2500, 6.5 F, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 11 (BODY CONTROL MODULES)SELF-DIAGNOSTIC SYSTEMNOTES
2000 Chevrolet Cab & Chassis C2500, 6.5 F, Automatic
Self-Diagnostic System: Notes
2000 Chevrolet Cab & Chassis C2500, 6.5 F, AutomaticSECTION Notes
WARNING: This page is about a different car, the 1999 GMC Sierra and 1999 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Use of scan tool is required for reading and clearing DTC(s). BCM does not turn on SERVICE ENGINE SOON indicator light. It will turn on SECURITY indicator light for Passlock(tm) system related malfunctions.
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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.