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.
T12 Automatic Transmission Assembly X3 (M3D/M3T)
2018 Buick Regal BaseSECTION T12 Automatic Transmission Assembly X3 (M3D/M3T)
Connector Part Information
|
Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool | Service Terminal | Tray Name | Core Crimp | Insulation Crimp |
|---|---|---|---|---|---|---|---|
| I | Not Required | J-35616-16 (LT GN) | No Tool Required | Not Required | Not Required | Not Required | Not Required |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.5 | BK/BN | 586 | Transmission Oil Temperature Sensor Low Reference | I | - |
| 2 | 0.5 | WH | 585 | Transmission Oil Temperature Sensor Signal | I | - |
| 3 | 0.5 | BN | 6400 | Clutch A Control | I | - |
| 4 | 0.5 | VT | 4509 | Transmission Clutch F Control | I | - |
| 5 | 0.5 | GY | 6402 | Clutch C Control | I | - |
| 6 | 0.5 | GY/GN | 6403 | Clutch D Control | I | - |
| 7 | 0.5 | VT | 6388 | Transmission High Side Driver 2 Signal | I | - |
| 8 | 0.5 | WH/BK | 5726 | Ignition Mode Switch Mode Control Backup | I | - |
| 9 | 0.5 | GN/YE | 5724 | Ignition Mode Switch Mode Control | I | - |
| 10 | 0.5 | BK/GY | 3927 | IMS Mode Switch Low Reference | I | - |
| 11 | 0.5 | YE/BU | 596 | 5V Reference | I | - |
| 12 | 0.5 | YE/BN | 6404 | Clutch E Control | I | - |
| 13 | - | - | - | Not Occupied | - | - |
| 14 | 0.5 | BU | 6401 | Clutch B Control | I | - |
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.