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.DBβ LIVE
HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 660 (CELLULAR COMMUNICATION SYSTEMS)COMPONENT LOCATORCELLULAR COMMUNICATION CONNECTOR END VIEWS
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6
Cellular Communication Connector End Views
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Cellular Communication Connector End Views
WARNING: This page is about a different car, the 2006 GMC Sierra and 2006 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Vehicle Communication Interface Module (VCIM) - C1
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | - | - | Not Used |
| 2 | BN/WH | 2517 | Keypad Red LED Signal |
| 3 | YE/BK | 2516 | Keypad Green LED Signal |
| 4-5 | - | - | Not Used |
| 6 | L-GN/BK | 2515 | Keypad Supply Voltage |
| 7 | BK/WH | 1851 | Ground |
| 8 | BK/WH | 1851 | Ground |
| 9-10 | - | - | Not Used |
| 11 | D-GN/WH | 2514 | Keypad Signal |
| 12-14 | - | - | Not Used |
| 15 | OG | 3240 | Battery Positive Voltage |
| 16 | OG | 3240 | Battery Positive Voltage |
Vehicle Communication Interface Module (VCIM) - C2
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | PK/BK | 2062 | Cellular Telephone Voice Signal |
| 2 | OG/BK | 2061 | Cellular Telephone Voice Low Reference |
| 3-4 | - | - | Not Used |
| 5 | YE | 1127 | Trip Computer/Nav Class 2 Serial Data |
| 6-7 | - | - | Not Used |
| 8 | BARE | 1792 | Drain Wire |
| 9 | GY | 655 | Cellular Microphone Signal |
| 10 | BARE | 514 | Drain Wire |
| 11-12 | - | - | Not Used |
Cellular Microphone
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BARE | 514 | Drain Wire |
| B | GY | 655 | Cellular Microphone Signal |
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.