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.
2024 Chevrolet Traverse Limited High Country, 4WDFACTORY OEM SERVICE PROCEDURE
K33 HVAC Control Module X1
Connector Part Information
|
Terminal Part Information
| Terminal Type ID | Terminated Lead | Diagnostic Test Probe | Terminal Removal Tool |
|---|---|---|---|
| I | 13584547 | J-35616-64B (L-BU) | J-38125-215A |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 - 3 | - | - | - | Not Occupied | - | - |
| 4 | 0.35 | BU / WH | 734 | Inside Air Temperature Sensor Signal | I | |
| 5 - 6 | - | - | - | Not Occupied | - | - |
| 7 | 0.35 | BK / BU | 7566 | Windshield Temperature and Inside Moisture Sensor Low Reference | I | |
| 8 - 13 | - | - | - | Not Occupied | - | - |
| 14 | 0.35 | GY / BU | 590 | Driver Solar Sensor Signal | I | |
| 15 - 17 | - | - | - | Not Occupied | - | - |
| 18 | 0.35 | BN | 404 | Upper Duct Air Temperature Sensor Signal | I | |
| 19 | 0.35 | BN / BK | 405 | Lower Duct Air Temperature Sensor Signal | I | |
| 20 | - | - | - | Not Occupied | - | - |
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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