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.
Vehicle Communication Interface Module (VCIM) Connector End View C3 (UAV)
2005 Cadillac CTS VSECTION Vehicle Communication Interface Module (VCIM) Connector End View C3 (UAV)
Vehicle Communication Interface Module (VCIM) Connector End View C3 (UAV)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | D-GN | 5142 | Modem TX (Not Used) |
| 2 | PK | 5149 | Cellular Microphone Signal |
| 3 | L-BU | 5141 | Modem RX (Not Used) |
| 4 | PK/BK | 5152 | Cellular Microphone Low Reference |
| 5 | BARE | 1792 | Drain Wire |
| 6-8 | - | - | Not Used |
| 9 | YE/BK | 5143 | Modem Ground (Not Used) |
| 10 | BARE | 701 | Drain Wire |
| 11-16 | - | - | Not Used |
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.