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 MANUALSCADILLAC2011CTS V, 2D COUPE, STANDARDREPAIR AND DIAGNOSISELECTRICALWIRING DIAGRAMSWIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - TAIL LAMP THROUGH YAW SENSORCOMPONENT CONNECTOR END VIEWSVEHICLE COMMUNICATION INTERFACE MODULE (VCIM) X2 (UE1)
2011 Cadillac CTS V, 2D Coupe, Standard
Vehicle Communication Interface Module (VCIM) X2 (UE1)
2011 Cadillac CTS V, 2D Coupe, StandardSECTION Vehicle Communication Interface Module (VCIM) X2 (UE1)
Vehicle Communication Interface Module (VCIM) X2 (UE1)
| Pin | Wire | Circuit | Function |
|---|---|---|---|
| 1 | 0.35 OG/BK | 1406 | Remote Playback Device Left Audio Signal |
| 2 | 0.35 L-BU | 1405 | Remote Playback Device Audio Common Signal |
| 3 | 0.35 TN/BK | 2500 | High Speed GMLAN Serial Data Bus+ |
| 4 | 0.35 TN | 2501 | High Speed GMLAN Serial Data Bus- |
| 5 | 0.35 BK | 1792 | Drain Wire (UAV or U2Y) |
| 6 | 0.35 PK | 5149 | Voice Recognition Audio Signal (UAV or U2Y) |
| 7 | - | - | Not Used |
| 8 | 0.35 BK | 814 | Drain Wire |
| 9 | 0.35 GY | 655 | Cellular Microphone Signal |
| 10 | 0.35 BK | 514 | Ground |
| 11 | - | - | Not Used |
| 12 | 0.35 PK/BK | 5152 | Voice Recognition Audio Low Reference (UAV or U2Y) |
Connector Part Information
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Terminal Part Information
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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.