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) - C6 (PRP)
Body Control Module (BCM) - C6 (PRP)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A1 | D-BU/WH | 149 | Dome Fluorescent Work Lamp Signal (UF2) |
| A2-A6 | - | - | Not Used |
| A7 | L-BU | 1344 | Access Panel Right Side Relay Control |
| A8 | GY/BK | 690 | Dome Fluorescent Work Lamp Relay Control (UF2) |
| B1-B6 | - | - | Not Used |
| B7 | L-GN | 1391 | Access Panel Left Side Rear Relay Control |
| B8 | L-BU | 244 | Access Panel Left Side Front Relay Control |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.