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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 901 (DATA COMMUNICATION SYSTEM)COMPONENT LOCATORDATA COMMUNICATION CONNECTORSBODY CONTROL MODULE (BCM) - C3
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2
Body Control Module (BCM) - C3
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Body Control Module (BCM) - C3
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2007 GMC Savana Special, 2007 GMC Savana Camper Special, 2007 GMC Savana, 2007 Chevrolet RV Cutaway, and 2007 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
Body Control Module (BCM) - C3 Connector & Terminal Parts Information
Connector Part Information
|
Terminal Part Information
|
Body Control Module (BCM) - C3 Terminal Identification
| Pin | Wire Color | Circuit No. | Function |
|---|---|---|---|
| A1-A5 | - | - | Not Used |
| A6 | YE | 1836 | Security System Sensor Signal |
| A7 | - | - | Not Used |
| A8 | D-GN | 306 | DRL On/Off Signal |
| A9-A10 | - | - | Not Used |
| A11 | PU | 328 | Interior Lamp Defeat Switch Signal |
| A12 | - | - | Not Used |
| B1 | - | - | Not Used |
| B2 | BN/WH | 301 | Park Lamp Switch On Signal |
| B3-B5 | - | - | Not Used |
| B6 | BK/WH | 351 | Ground |
| B7 | - | - | Not Used |
| B8 | OG/BK | 2090 | Dimming Input |
| B9 | L-GN | 11 | Headlamp Dimmer Switch Signal |
| B10 | - | - | Not Used |
| B11 | L-BU | 1788 | Tow/Haul Switch Signal |
| B12 | - | - | Not Used |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra 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.