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 MANUALSCHEVROLET2018SILVERADO 2500 HD WT, 2D PICKUP, 6.0L ENG VIN G, RWD, GASREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSWIRING DIAGRAMSCOMPONENT CONNECTOR END VIEWS (K20 - K85)COMPONENT CONNECTOR END VIEWSK71 TRANSMISSION CONTROL MODULE (MW7)
2018 Chevrolet Silverado 2500 HD WT, 2D Pickup, 6.0L Eng VIN G, RWD, Gas
K71 Transmission Control Module (MW7)
2018 Chevrolet Silverado 2500 HD WT, 2D Pickup, 6.0L Eng VIN G, RWD, GasSECTION K71 Transmission Control Module (MW7)
Connector Part Information
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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 | 13576377 | J-35616-35 (VT) | J-38125-12A | Not Available | Not Available | Not Available | Not Available |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | - | - | - | Not Occupied | - | - |
| 2 | 0.75 | BU | 6401 | Clutch B Control | I | - |
| 3 - 6 | - | - | - | Not Occupied | - | - |
| 7 | 0.5 0.75 |
YE/GN YE/GN |
4170 4170 |
Transmission Position Sensor B 9V Reference Transmission Position Sensor B 9V Reference |
I I |
NQF/NQG -NQF-NQG |
| 8 | 0.75 | YE/BU | 4171 | Transmission Position Sensor A 9V Reference | I | - |
| 9 | 0.75 | WH/BN | 1226 | Transmission Fluid Pressure Switch Signal Bit 3 | I | - |
| 10 | 0.75 | GN/BK | 2529 | Transmission Fluid Pressure Switch Signal Bit 4 | I | - |
| 11 - 13 | - | - | - | Not Occupied | - | - |
| 14 | 0.5 0.75 |
GY/BU GY/BU |
6358 6358 |
Output Speed Signal Output Speed Signal |
I I |
NQF/NQG -NQF-NQG |
| 15 | 0.75 | GN/YE | 6353 | Input Speed Signal | I | - |
| 16 | - | - | - | Not Occupied | - | - |
| 17 | 0.75 | WH | 4508 | Transmission Clutch G Control | I | - |
| 18 | 0.75 | BN | 6400 | Clutch A Control | I | - |
| 19 | 0.75 | GY | 6402 | Clutch C Control | I | - |
| 20 | - | - | - | Not Occupied | - | - |
| 21 | 0.75 | WH/BN | 2527 | Shift Solenoid Control 5 | I | - |
| 22 | - | - | - | Not Occupied | - | - |
| 23 | 0.75 | WH/GN | 1222 | 1 Shift Solenoid Valve Control | I | - |
| 24 | 0.75 | YE/BK | 1223 | 2 Shift Solenoid Valve Control | I | - |
| 25 | - | - | - | Not Occupied | - | - |
| 26 | 0.5 | WH/BK | 5983 | PRNDL C Signal | I | - |
| 27 | 0.5 | VT/WH | 5981 | PRNDL A Signal | I | - |
| 28 | 0.75 | BK/BN | 586 | Transmission Oil Temperature Sensor Low Reference | I | - |
| 29 - 32 | - | - | - | Not Occupied | - | - |
| 33 | 0.75 | GN/GY | 6387 | Transmission High Side Driver 1 Signal Driver | I | - |
| 34 | - | - | - | Not Occupied | - | - |
| 35 | 0.5 | VT/BK | 2139 | Run/Crank Ignition 1 Voltage | I | - |
| 36 | 0.75 | GN/VT | 1225 | Transmission Fluid Pressure Switch Signal Bit 2 | I | - |
| 37 | 0.5 | BU | 2500 | High Speed GMLAN Serial Data (+) 1 | I | - |
| 38 | 0.5 | WH | 2501 | High Speed GMLAN Serial Data (-) 1 | I | - |
| 39 - 48 | - | - | - | Not Occupied | - | - |
| 49 | 0.75 | GY/BN | 6388 | Transmission High Side Driver 2 Signal | I | - |
| 50 | - | - | - | Not Occupied | - | - |
| 51 | 0.5 | VT/YE | 5985 | Accessory Wakeup Serial Data | I | - |
| 52 | 0.75 | VT/GY | 1224 | Transmission Fluid Pressure Switch Signal Bit 1 | I | - |
| 53 | 0.5 | BU | 2500 | High Speed GMLAN Serial Data (+) 1 | I | - |
| 54 | 0.5 | WH | 2501 | High Speed GMLAN Serial Data (-) 1 | I | - |
| 55 | 0.5 | GY/WH | 4168 | PRNDL P Signal | I | - |
| 56 - 57 | - | - | - | Not Occupied | - | - |
| 58 | 0.5 | GY/BN | 5982 | PRNDL B Signal | I | - |
| 59 - 62 | - | - | - | Not Occupied | - | - |
| 63 | 0.75 | BN/WH | 585 | Transmission Oil Temperature Sensor Signal | I | - |
| 64 | - | - | - | Not Occupied | - | - |
| 65 | 1.5 | BK/WH | 451 | Signal Ground | II | - |
| 66 | 1.5 | RD/GN | 1840 | Battery Positive Voltage | II | - |
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.