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.
2015 Chevrolet Traverse LT, FWDFACTORY OEM SERVICE PROCEDURE
K71 Transmission Control Module
Connector Part Information
|
Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool | Service Terminal | Tray | Core Crimp | Insulation Crimp |
|---|---|---|---|---|---|---|---|
| I | 13575400 | J-35616-14 (GN) | J-38125-553 | 15326267 | 19 | E | 1 |
| II | 13575400 | J-35616-14 (GN) | J-38125-553 | 15326267 | 19 | E | 4 |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | 0.8 | BK/WH | 451 | Signal Ground | I | - |
| 2 | 0.5 0.5 0.5 |
TN/BK TN/BK TN/BK |
2500 2500 2500 |
High Speed GMLAN Serial Data (+) (1) High Speed GMLAN Serial Data (+) (1) High Speed GMLAN Serial Data (+) (1) |
II | TSH with W49 W49 with T97 or T26 |
| 3-4 | - | - | - | Not Occupied | - | - |
| 5 | 0.5 | TN/BK | 2500 | High Speed GMLAN Serial Data (+) (1) | II | - |
| 6-9 | - | - | - | Not Occupied | - | - |
| 10 | 0.8 | RD/WH | 3640 | Battery Positive Voltage | I | - |
| 11 | - | - | - | Not Occupied | - | - |
| 12 | 0.5 0.5 0.5 |
TN TN TN |
2501 2501 2501 |
High Speed GMLAN Serial Data (-) (1) High Speed GMLAN Serial Data (-) (1) High Speed GMLAN Serial Data (-) (1) |
II | - TSH with W49 W49 with T97 or T26 |
| 13 | 0.5 | PK | 1339 | Run/Crank Ignition 1 Voltage | II | - |
| 14 | 0.5 | TN | 2501 | High Speed GMLAN Serial Data (-) (1) | II | - |
| 15 | 0.5 | D-BU | 5985 | Accessory Wakeup Serial Data | II | - |
| 16-17 | - | - | - | Not Occupied | - | - |
| 18 | 0.8 | BK/WH | 451 | Signal Ground | I | - |
| 19 | - | - | - | Not Occupied | - | - |
| 20 | 0.5 | OG/BK | 1786 | Transmission Park/Neutral Signal (1) | II | - |
Factory Service Tools
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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.
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