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 X2
2018 Buick Regal BaseSECTION K33 HVAC Control Module X2
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 | 13575742 | J-35616-64B (LT BU) | J-38125-215A | SAIT-A03T-M064 | Yazaki 14 | P | P |
| II | 13575867 | J-35616-64B (LT BU) | J-38125-215A | Not Available | Not Available | Not Available | Not Available |
| III | 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 | 0.5 | RD/WH | 3440 | Battery Positive Voltage | I | - |
| 2 | 0.35 | GN | 5060 | Low Speed GMLAN Serial Data | III | - |
| 3 | 0.35 | GN | 5060 | Low Speed GMLAN Serial Data | III | - |
| 4 | 0.35 | GN/YE | 7531 | Local Interconnect Network Serial Data Bus 9 | III | - |
| 5 - 7 | - | - | - | Not Occupied | - | - |
| 8 | 0.5 | BK | 1650 | Ground | I | - |
| 9 | 0.35 | VT/GY | 539 | Run/Crank Ignition 1 Voltage | III | - |
| 10 | 0.35 | BU/YE | 7574 | Electric Variable Displacement Control | III | - |
| 11 | 0.35 | BU/BN | 7573 | Electric Variable Displacement Supply | III | - |
| 12 - 14 | - | - | - | Not Occupied | - | - |
| 15 | 0.5 | BU/GY | 754 | Blower Motor Speed Control | I | - |
| 16 - 17 | - | - | - | Not Occupied | - | - |
| 18 | 0.13 | BN | 7567 | Solar Sensor Low Reference | II | - |
| 19 | 0.35 | BN/VT | 193 | Rear Defog Relay Control | III | - |
| 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.