K71 Transmission Control Module X1 (M3D/M3T)
WARNING: This page is about a different car, the 2020 Buick Regal TourX, 2020 Buick Regal, 2019 Buick Regal TourX, and 2019 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
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool | Service Terminal | Tray Name | Core Crimp | Insulation Crimp |
|---|---|---|---|---|---|---|---|
| I | Not Available | No Tool Required | Not Available | Not Available | Not Available | Not Available | Not Available |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | - | WH/BU | 4507 | Transmission Clutch H Control | I | - |
| 2 | - | BU | 6401 | Clutch Solenoid Valve B Control | I | - |
| 3 | - | GY/GN | 6403 | Clutch Solenoid Valve D Control | I | - |
| 4 | - | VT | 4509 | Transmission Clutch F Control | I | - |
| 5 | - | WH/GY | 1786 | Transmission Park/Neutral Signal 1 | I | - |
| 6 | - | WH | 2501 | High Speed GMLAN Serial Data [-] 1 | I | - |
| 7 | - - |
YE/GN BU |
4170 2500 |
Transmission Output Shaft Speed Sensor Circuit 9V Reference High Speed GMLAN Serial Data [+] 1 |
I I |
LGX LTG |
| 8 | - - |
YE/BU BU |
4171 2500 |
Transmission Input Shaft Speed Sensor Circuit 9V Reference High Speed GMLAN Serial Data [+] 1 |
I I |
LGX LTG |
| 9 | - | BK/WH | 151 | Ground 1 | I | - |
| 10 | - | - | - | Not Occupied | - | - |
| 11 | - | VT/BK | 2139 | Run/Crank Ignition 1 Voltage 21 | I | - |
| 12 | - | VT/YE | 5985 | Accessory Wake-Up Serial Data | I | - |
| 13 | - | GN/VT | 4510 | Transmission Intermediate Speed Signal | I | - |
| 14 | - - |
GY/BU WH |
6358 2501 |
Output Speed Signal High Speed GMLAN Serial Data [-] 1 |
I I |
LGX LTG |
| 15 | - | GN/YE | 6353 | Input Speed Signal | I | - |
| 16 | - | - | - | Not Occupied | - | - |
| 17 | - | WH | 4508 | Transmission Clutch G Control | I | - |
| 18 | - | BN | 6400 | Clutch Solenoid Valve A Control | I | - |
| 19 | - | GY | 6402 | Clutch Solenoid Valve C Control | I | - |
| 20 | - | YE/BN | 6404 | Clutch Solenoid Valve E Control | I | - |
| 21 | - | GY/BK | 5501 | TCC/Clutch Select Solenoid Valve Control | I | - |
| 22 | - | - | - | Not Occupied | - | - |
| 23 | - | WH | 1971 | Transmission Oil Level Sensor Signal | I | - |
| 24 | - | WH/GY | 4578 | Surge Accumulator Solenoid Valve Low Side Control | I | - |
| 25 - 27 | - | - | - | Not Occupied | - | - |
| 28 | - | BK/BN | 586 | Transmission Fluid Temperature Sensor Low Reference | I | - |
| 29 - 32 | - | - | - | Not Occupied | - | - |
| 33 | - | GN/GY | 6387 | Transmission High Side Driver 1 Control | I | - |
| 34 | - | - | - | Not Occupied | - | - |
| 35 | - | VT/BK | 2139 | Run/Crank Ignition 1 Voltage 21 | I | - |
| 36 | - | - | - | Not Occupied | - | - |
| 37 | - | BU | 2500 | High Speed GMLAN Serial Data [+] 1 | I | - |
| 38 | - | WH | 2501 | High Speed GMLAN Serial Data [-] 1 | I | - |
| 39 - 48 | - | - | - | Not Occupied | - | - |
| 49 | - | GY/BN | 6388 | Transmission High Side Driver 2 Control | I | - |
| 50 | - | - | - | Not Occupied | - | - |
| 51 | - | VT/YE | 5985 | Accessory Wake-Up Serial Data | I | - |
| 52 | - | - | - | Not Occupied | - | - |
| 53 | - | BU | 2500 | High Speed GMLAN Serial Data [+] 1 | I | - |
| 54 | - | WH | 2501 | High Speed GMLAN Serial Data [-] 1 | I | - |
| 55 - 62 | - | - | - | Not Occupied | - | - |
| 63 | - | BN/WH | 585 | Transmission Fluid Temperature Sensor Signal | I | - |
| 64 | - | GN/YE | 5724 | Ignition Mode Switch Mode Control | I | - |
| 65 | - | BK/WH | 151 | Ground 1 | I | - |
| 66 | - | RD/GN | 2173 | 12 Volt Regulated Supply Voltage 2 | I | - |