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.
K71 Transmission Control Module (MGH)
2025 Chevrolet Equinox RS, FWDSECTION K71 Transmission Control Module (MGH)
Connector Part Information
|
Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool |
|---|---|---|---|
| I | 13587518 | J-35616-35 (VT) | J-38125-11A |
| II | 19351723 | J-35616-64B (L-BU) | J-38125-213 |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.5 | WH | 12466 | Transmission Valve 6 Solenoid Control | II | MGH |
| 2 | 0.5 | VT / WH | 422 | Torque Converter Clutch Solenoid Valve Control | II | MGH |
| 3 | 0.5 | GY / GN | 12462 | Transmission Valve 2 Solenoid Control | II | MGH |
| 4 | 0.5 | VT | 12464 | Transmission Valve 4 Solenoid Control | II | MGH |
| 5 - 6 | - | - | - | Not Occupied | - | - |
| 7 | 0.5 | YE / GN | 4170 | Transmission Output Shaft Speed Sensor Circuit 9V Reference | II | MGH |
| 8 | 0.5 | YE / BU | 4171 | Transmission Input Shaft Speed Sensor Circuit 9V Reference | II | MGH |
| 9 - 12 | - | - | - | Not Occupied | - | - |
| 13 | 0.5 | GN / VT | 4510 | Transmission Intermediate Speed Signal | II | MGH |
| 14 | 0.5 | GY / BU | 6358 | Output Speed Signal | II | MGH |
| 15 | 0.5 | GN / YE | 6353 | Input Speed Signal | II | MGH |
| 16 | - | - | - | Not Occupied | - | - |
| 17 | 0.5 | WH / BU | 12465 | Transmission Valve 5 Solenoid Control | II | MGH |
| 18 | 0.5 | GN / WH | 1530 | Transmission Line Pressure Control Solenoid Valve Control | II | MGH |
| 19 | 0.5 | BN | 12461 | Transmission Valve 1 Solenoid Control | II | MGH |
| 20 | 0.5 | GY | 12463 | Transmission Valve 3 Solenoid Control | II | MGH |
| 21 | 0.5 | GY / BK | 5501 | TCC/Clutch Select Solenoid Valve Control | II | MGH |
| 22 | 0.5 | WH / YE | 2159 | Park Inhibit Solenoid Assembly Control | II | MGH |
| 23 | - | - | - | Not Occupied | - | - |
| 24 | 0.5 | WH / GY | 4578 | Surge Accumulator Solenoid Valve Low Side Control | II | MGH |
| 25 - 27 | - | - | - | Not Occupied | - | - |
| 28 | 0.5 | BK / BN | 586 | Transmission Fluid Temperature Sensor Low Reference | II | MGH |
| 29 - 30 | - | - | - | Not Occupied | - | - |
| 31 | 0.5 | GN / VT | 4621 | Engine Control Module LIN Bus 1 | II | MGH |
| 32 | - | - | - | Not Occupied | - | - |
| 33 | 0.5 | GN / GY | 6387 | Transmission High Side Driver 1 Control | II | MGH |
| 34 | - | - | - | Not Occupied | - | - |
| 35 | 0.5 | VT / GY | 3139 | Run/Crank Ignition 1 Voltage | II | MGH |
| 36 | - | - | - | Not Occupied | - | - |
| 37 | 0.5 | BU / YE | 4979 | AUTOSAR CAN Bus [+] 2 Serial Data | II | MGH |
| 38 | 0.5 | WH | 4978 | AUTOSAR CAN Bus [-] 2 Serial Data | II | MGH |
| 39 - 48 | - | - | - | Not Occupied | - | - |
| 49 | 0.5 | GY / BN | 6388 | Transmission High Side Driver 2 Control | II | MGH |
| 50 - 52 | - | - | - | Not Occupied | - | - |
| 53 | 0.5 | BU / YE | 4979 | AUTOSAR CAN Bus [+] 2 Serial Data | II | MGH |
| 54 | 0.5 | WH | 4978 | AUTOSAR CAN Bus [-] 2 Serial Data | II | MGH |
| 55 - 58 | - | - | - | Not Occupied | - | - |
| 59 | 0.5 | VT / WH | 6319 | Electronic Transmission Range Select Out of Park Switch 2 Signal | II | MGH |
| 60 | 0.5 | WH / BK | 3705 | Electronic Transmission Range Select Switch Analog Signal 2 | II | MGH |
| 61 | 0.5 | WH / YE | 6317 | Electronic Transmission Range Select Out of Park Switch Signal | II | MGH |
| 62 | 0.5 | BN | 3706 | Electronic Transmission Range Select Switch Analog Signal 1 | II | MGH |
| 63 | 0.5 | BN / WH | 585 | Transmission Fluid Temperature Sensor Signal | II | MGH |
| 64 | - | - | - | Not Occupied | - | - |
| 65 | 2 | BK / WH | 6151 | Engine Control Module Ground | I | MGH |
| 66 | 2 | RD / BN | 3640 | Battery Positive Voltage | I | MGH |
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.