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.
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HOMESERVICE MANUALSOLDSMOBILE2004BRAVADA AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2053 (COMPONENT CONNECTOR END VIEWS - (4 OF 5))HVAC CONTROL MODULE X2
2004 Oldsmobile Bravada AWD
HVAC Control Module X2
2004 Oldsmobile Bravada AWDSECTION HVAC Control Module X2
WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
HVAC Control Module X2
| Pin | Wire | Circuit | Function |
|---|---|---|---|
| 1 | 0.35 YE | 1491 | Backlight Lamps Control |
| 2 | 0.35 BN | 41 | Ignition 3 Voltage |
| 3 | 0.5 BK | 350 | Ground |
| 4 | 0.5 RD/WH | 1840 | Battery Positive Voltage |
| 5 | 0.35 D-GN | 5060 | Low Speed GMLAN Serial Data |
| 6-7 | - | - | Not Used |
| 8 | 0.35 WH | 193 | Rear Defog Relay Control |
| 9 | 0.35 D-GN/WH | 636 | Ambient Air Temperature Sensor Signal (C68) |
| 10 | 0.35 BK | 350 | Ground |
| 11 | - | - | Not Used |
| 12 | 0.5 YE | 61 | Low Reference |
| 13-16 | - | - | Not Used |
Connector Part Information
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Terminal Part Information
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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.