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.
K33 HVAC Control Module X1
2018 Buick Regal BaseSECTION K33 HVAC Control Module X1
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 | 13575867 | J-35616-64B (LT BU) | J-38125-215A | Not Available | Not Available | Not Available | Not Available |
| II | 13575867 | J-35616-64B (LT BU) | J-38125-215A | SAIT-A03T-M064 | Yazaki 14 | P | P |
| Pin | Size | Color | Circuit | Function | Terminal Type ID | Option |
|---|---|---|---|---|---|---|
| 1 | - | - | - | Not Occupied | - | - |
| 2 | 0.35 | GY/GN | 7565 | Windscreen Temp Sensor Signal | II | - |
| 3 | - | - | - | Not Occupied | - | - |
| 4 | 0.13 | BU | 734 | Inside Air Temperature Sensor Signal | I | CJ2 |
| 5 | 0.35 | YE/BU | 3197 | Humidity Temperature Sensor Signal | II | - |
| 6 | 0.35 | YE/RD | 597 | 5V Reference | II | - |
| 7 | 0.35 | BK/BU | 7566 | Humidity/Windscreen Temp Sensor Low Reference | II | - |
| 8 - 11 | - | - | - | Not Occupied | - | - |
| 12 | 0.35 | GY/BU | 7564 | Humidity Sensor Signal | II | - |
| 13 | - | - | - | Not Occupied | - | - |
| 14 | 0.13 | GY | 1120 | Solar Sensor Pulsed Voltage Reference | I | CJ2 |
| 15 - 17 | - | - | - | Not Occupied | - | - |
| 18 | 0.35 | BN | 518 | Lower Left Air Temperature Sensor Signal | II | C4P |
| 19 - 20 | - | - | - | Not Occupied | - | - |
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.