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.
2006 Chevrolet Chevy Express G3500, Van Cargo, 4.8 VFACTORY OEM SERVICE PROCEDURE
Body Control Module (BCM) - C1
Body Control Module (BCM) - C1
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | YE | 1491 | Backlight Lamps Control |
| B | PU/WH | 1382 | LED Dimming Signal |
| C | OG | 4040 | Battery Positive Voltage |
| D | OG | 1732 | Inadvertent Power Supply Voltage |
| E | BN/WH | 230 | Instrument Panel Lamps Dimming Control |
| F | RD/WH | 2240 | Battery Positive Voltage |
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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