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.
Module, HVAC: Description
The Heating, Ventilation, and Air Conditioning (HVAC) module (1) is a microcontroller designed to operate the heating and A/C system, using the Controller Area Network (CAN) data bus. The HVAC module has a plastic housing with three electrical connector receptacles (2), three mounting screw holes (3) and two locating tabs.
The HVAC module (3) is located on the bottom of the HVAC housing between the blower motor (2) and the distribution housing, directly below the blower motor power module (1).
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.