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 C1 (UE1)
2005 Cadillac CTS VSECTION Vehicle Communication Interface Module (VCIM) Connector End View C1 (UE1)
Vehicle Communication Interface Module (VCIM) Connector End View C1 (UE1)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | - | - | Not Used |
| 2 | PU | 1156 | Keypad Red LED Signal |
| 3 | GY/BK | 1798 | Keypad Green LED Signal |
| 4-5 | - | - | Not Used |
| 6 | BN | 1941 | Keypad Supply Voltage |
| 7 | BK/WH | 851 | Ground |
| 8-10 | - | - | Not Used |
| 11 | PU | 679 | Keypad Signal |
| 12-14 | - | - | Not Used |
| 15 | RD/WH | 2240 | Battery Positive Voltage |
| 16 | - | - | 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.