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.
K61 Sunroof Control Module (C3U)
2020 GMC Acadia SLSECTION K61 Sunroof Control Module (C3U)
WARNING: This page is about a different car, the 2023 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
Connector Part Information
|
Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool |
|---|---|---|---|
| I | Not required | No Tool Required | No Tool Required |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | - | RD/GY | 3540 | Battery Positive Voltage | I | - |
| 2 | - | - | - | Not Occupied | - | - |
| 3 | - | BK/GY | 128 | Sunroof Switch Low Reference | I | - |
| 4 | - | BK | 1350 | Ground | I | - |
| 5 - 6 | - | - | - | Not Occupied | - | - |
| 7 | - | GN/BN | 6132 | Body Control Module LIN Bus 1 | I | - |
| 8 | - | BU/VT | 5027 | Sunroof Switch Serial Data 1 Signal | I | - |
| 9 | - | GN/BN | 6132 | Body Control Module LIN Bus 1 | I | - |
| 10 - 14 | - | - | - | Not Occupied | - | - |
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.