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 MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN CARGO EXTENDED, 4.8 CREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESPROGRAMMING AND SETUP - ALL SYSTEMSREPAIR INSTRUCTIONSBODY CONTROL MODULE PROGRAMMING AND SETUPPROGRAMMING THE BCM
2008 Chevrolet Chevy Express G3500, Van Cargo Extended, 4.8 C
Programming the BCM
2008 Chevrolet Chevy Express G3500, Van Cargo Extended, 4.8 CSECTION Programming the BCM
IMPORTANT:
The vehicle will not start and many other functions may not operate properly if a replacement BCM is not properly set up. The following procedures must be followed:
- Programming the BCM
- Learning the restraints ID
IMPORTANT:
After the procedure is completed, the personalization settings of the BCM are set to default settings. Inform the customer that the personalization must be set again.
Refer to Service Programming System (SPS) for more information.
RENDER: 1.0x
NO RELATED
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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.