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 MANUALSBUICK2013REGAL TURBO PREMIUM, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 239 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - G14 THROUGH K71 TCM X2)COMPONENT CONNECTOR END VIEWSK71 TRANSMISSION CONTROL MODULE X2 (MDK)
2013 Buick Regal Turbo Premium, Standard Trans
K71 Transmission Control Module X2 (MDK)
2013 Buick Regal Turbo Premium, Standard TransSECTION K71 Transmission Control Module X2 (MDK)
WARNING: This page is about a different car, the 2012 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
Connector Part Information
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Terminal Part Information
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K71 Transmission Control Module X2 (MDK)
| Pin | Size | Color | Circuit | Function | Option |
|---|---|---|---|---|---|
| 1 | - | - | - | Low Reference | - |
| 2 | - | - | - | Shift Solenoid 2 Control | - |
| 3 | - | - | - | Line Pressure Control Solenoid Valve Control | - |
| 4 | - | - | - | Low Reference | - |
| 5 | - | - | - | Shift Solenoid 1 Control | - |
| 6 | - | - | - | Not Used | - |
| 7 | - | - | - | Low Reference | - |
| 8 | - | - | - | Transmission Fluid Temperature Sensor Signal | - |
| 9 | - | - | - | Torque Converter Clutch Pressure Control Solenoid Valve Control | - |
| 10 | - | - | - | Low Reference | - |
| 11 | - | - | - | Pressure Control Solenoid Valve 1 Control | - |
| 12 | - | - | - | Transmission Input Shaft Speed Sensor High Signal | - |
| 13 | - | - | - | Transmission Input Shaft Speed Sensor Low Signal | - |
| 14 | - | - | - | Pressure Control Solenoid Valve 3 Control | - |
| 15 | - | - | - | Not Used | - |
| 16 | - | - | - | Low Reference | - |
| 17 | - | - | - | Pressure Control Solenoid Valve 2 Control | - |
| 18 | - | - | - | Low Reference | - |
| 19 | - | - | - | Transmission Output Shaft Speed Sensor High Signal | - |
| 20 | - | - | - | Transmission Output Shaft Speed Sensor Low Signal | - |
| 21 | - | - | - | Pressure Control Solenoid Valve 4 Control | - |
| 22 | - | - | - | Low Reference | - |
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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.