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 MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSWIRING DIAGRAMSOEM CONNECTOR END VIEWSCOMPUTER/INTEGRATING SYSTEMS CONNECTOR END VIEWSBODY CONTROL MODULE (BCM) CONNECTOR END VIEW - C2
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2
Body Control Module (BCM) Connector End View - C2
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Body Control Module (BCM) Connector End View - C2
Body Control Module (BCM) - C2
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A1-A2 | - | - | Not Used |
| A3 | L-BU | 244 | Passenger Door Unlock Relay Control (AU3) |
| A4 | PK/WH | 1970 | Headlamp Low Beam Relay Control |
| A5 | WH | 111 | Hazard Switch Signal |
| A6 | D-BU | 245 | Door Lock Relay Control (AU3) |
| A7 | L-GN | 1391 | Driver Door Unlock Relay Control (AU3) |
| A8 | L-BU | 1344 | Cargo Door Unlock Relay Control (AU3) |
| A9-A10 | - | - | Not Used |
| A11 | OG/WH | 812 | 12-Volt Reference |
| A12 | RD/WH | 1140 | Battery Positive Voltage |
| B1 | TN/WH | 1969 | Headlamp High Beam Relay Control |
| B2 | WH | 1080 | Park Lamp Relay Control |
| B3 | TN | 755 | RAP Relay Coil Control (A31) |
| B4 | L-GN/BK | 592 | DRL Low Control |
| B5 | - | - | Not Used |
| B6 | BK/WH | 351 | Ground |
| B7 | TN | 1835 | Security System Sensor Low Reference |
| B8 | PK | 1348 | Headlamp On Indicator Supply Voltage |
| B9 | TN | 28 | Horn Relay Control |
| B10 | - | - | Not Used |
| B11 | GY | 705 | 5-Volt Reference |
| B12 | L-GN | 1037 | Class 2 Serial Data |
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.