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 X2 (MM1)
2019 Chevrolet Trax Premier, AWDSECTION K71 Transmission Control Module X2 (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 | Not Required | J-35616-2A (GY) | No Tool Required | Not Required | Not Required | Not Required | Not Required |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| A | 0.5 | BU | 1786 | Transmission Park/Neutral Signal 1 | I | - |
| B | 0.5 | GN | 771 | Transmission Position Switch Bit 1 Signal | I | - |
| C | 0.5 | GY | 772 | Transmission Position Switch Bit 2 Signal | I | - |
| D | 0.5 | YE | 773 | Transmission Position Switch Bit 3 Signal | I | - |
| E | 0.5 | RD | 776 | Transmission Position Switch Parity Bit Signal | I | - |
| F | 0.5 | BK | 50 | Ground | I | - |
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.