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 MANUALSGMC2020ACADIA SLE, 2.5L ENG VIN AREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 49 (COMPONENT CONNECTOR END VIEWS (K36 (X2)-K124))COMPONENT CONNECTOR END VIEWSK71 TRANSMISSION CONTROL MODULE (M3V)
2020 GMC Acadia SLE, 2.5L Eng VIN A
K71 Transmission Control Module (M3V)
2020 GMC Acadia SLE, 2.5L Eng VIN ASECTION K71 Transmission Control Module (M3V)
WARNING: This page is about a different car, the 2019 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 | Service Terminal | Tray Name | Core Crimp | Insulation Crimp |
|---|---|---|---|---|---|---|---|
| I | 13575812 | J-35616-64B (LT BU) | J-38125-213 | Not Available | Not Available | Not Available | Not Available |
| II | 13579769 | J-35616-4A (PU) | J-38125-11A | 7116-4151-02 | Yazaki 9 | C | 1 |
| III | 19330179 | J-35616-64B (LT BU) | J-38125-215A | Not Available | Not Available | Not Available | Not Available |
| IV | 19355819 | J-35616-64B (LT BU) | J-38125-215A | Not Available | Not Available | Not Available | Not Available |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.5 | WH/BU | 4507 | Transmission Clutch H Control | III | M3V |
| 2 | 0.5 | BU | 6401 | Clutch B Control | III | M3V |
| 3 | 0.5 | GY/GN | 6403 | Clutch D Control | III | M3V |
| 4 | 0.5 | VT | 4509 | Transmission Clutch F Control | III | M3V |
| 5 - 6 | - | - | - | Not Occupied | - | - |
| 7 | 0.5 | YE/GN | 4170 | Transmission Position Sensor B 9V Reference | III | M3V |
| 8 | 0.5 | YE/BU | 4171 | Transmission Position Sensor A 9V Reference | III | M3V |
| 9 - 12 | - | - | - | Not Occupied | - | - |
| 13 | 0.5 | GN/VT | 4510 | Transmission Intermediate Speed Signal | III | M3V |
| 14 | 0.5 | GY/BU | 6358 | Output Speed Signal | III | M3V |
| 15 | 0.5 | GN/YE | 6353 | Input Speed Signal | III | M3V |
| 16 | - | - | - | Not Occupied | - | - |
| 17 | 0.5 | WH | 4508 | Transmission Clutch G Control | III | M3V |
| 18 | 0.5 | BN | 6400 | Clutch A Control | III | M3V |
| 19 | 0.5 | GY | 6402 | Clutch C Control | III | M3V |
| 20 | 0.5 | YE/BN | 6404 | Clutch E Control | III | M3V |
| 21 | 0.5 | GN/WH | 6380 | TCC On/Off Solenoid A Control | III | M3V |
| 22 | - | - | - | Not Occupied | - | - |
| 23 | 0.5 | WH/GN | 1222 | 1 Shift Solenoid Valve Control | III | M3V |
| 24 | 0.5 | WH/GY | 4578 | Surge Accumulator Solenoid Low Side Control | I | M3V |
| 25 - 27 | - | - | - | Not Occupied | - | - |
| 28 | 0.5 | BK/BN | 586 | Transmission Oil Temperature Sensor Low Reference | III | M3V |
| 29 - 32 | - | - | - | Not Occupied | - | - |
| 33 | 0.5 | GN/GY | 6387 | Transmission High Side Driver 1 Signal Driver | III | M3V |
| 34 | - | - | - | Not Occupied | - | - |
| 35 | 0.75 | VT/BK | 2139 | Run/Crank Ignition 1 Voltage | III | M3V |
| 36 | - | - | - | Not Occupied | - | - |
| 37 | 0.5 | BU | 2500 | High Speed GMLAN Serial Data (+) 1 | IV | M3V |
| 38 | 0.5 | WH | 2501 | High Speed GMLAN Serial Data (-) 1 | IV | M3V |
| 39 - 48 | - | - | - | Not Occupied | - | - |
| 49 | 0.5 | GY/BN | 6388 | Transmission High Side Driver 2 Signal | III | M3V |
| 50 | - | - | - | Not Occupied | - | - |
| 51 | 0.5 | VT/YE | 5985 | Accessory Wakeup Serial Data | III | M3V |
| 52 | - | - | - | Not Occupied | - | - |
| 53 | 0.5 | BU | 2500 | High Speed GMLAN Serial Data (+) 1 | IV | LGX+M3V |
| 54 | 0.5 | WH | 2501 | High Speed GMLAN Serial Data (-) 1 | IV | LGX+M3V |
| 55 - 62 | - | - | - | Not Occupied | - | - |
| 63 | 0.5 | BN/WH | 585 | Transmission Oil Temperature Sensor Signal | III | M3V |
| 64 | 0.5 | GN/YE | 5724 | Ignition Mode Switch Mode Control | III | M3V |
| 65 | 1 | BK | 350 | Ground | II | M3V |
| 66 | 1 | RD/GN | 1840 | Battery Positive Voltage | II | KL9+M3V |
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.