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 X1 (MM1)
2019 Chevrolet Trax Premier, AWDSECTION K71 Transmission Control Module X1 (MM1)
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 | 13575400 | J-35616-14 (GN) | J-38125-215A | 15326267 | Delphi 19 | E | 4 |
| II | 13576356 | J-35616-4A (PU) | J-38125-215A | 15304719 | Delphi 19 | 2 | 5 |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 1 0.75 |
RD/VT RD/VT |
340 340 |
Secondary Fused Battery Positive Voltage 3 Secondary Fused Battery Positive Voltage 3 |
II II |
MM1+KL9 MM1-KL9 |
| 2 | 0.75 | BK | 150 | Ground 1 | II | - |
| 3 | 0.5 | WH/GY | 1786 | Transmission Park/Neutral Signal 1 | I | - |
| 4 - 5 | - | - | - | Not Occupied | - | - |
| 6 | 0.5 | BU | 2500 | High Speed GMLAN Serial Data [+] 1 | I | - |
| 7 | 0.5 | BU | 2500 | High Speed GMLAN Serial Data [+] 1 | I | - |
| 8 | 0.5 | WH | 2501 | High Speed GMLAN Serial Data [-] 1 | I | - |
| 9 | - | - | - | Not Occupied | - | - |
| 10 | 0.5 | WH/BU | 6311 | Cruise/ETC/TCC Brake Signal | I | - |
| 11 | - | - | - | Not Occupied | - | - |
| 12 | 0.5 | VT/BK | 1239 | Run/Crank Ignition 1 Voltage 12 | I | MM1 |
| 13 | 0.5 | VT/YE | 5985 | Accessory Wake-Up Serial Data | I | - |
| 14 | 0.5 | WH | 2501 | High Speed GMLAN Serial Data [-] 1 | I | - |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.