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.
2012 Chevrolet Corvette V8-7.0LFACTORY OEM SERVICE PROCEDURE
Control Module HVAC: Service and Repair
HVAC Control Module Replacement
Removal Procedure
1. Remove the instrument panel (I/P) accessory trim plate. Refer to Instrument Panel Accessory Trim Plate Replacement Instrument Panel Accessory Trim Plate Replacement.
2. Remove the HVAC control module retaining screws.
3. Remove the HVAC control module.
4. Disconnect the HVAC control module electrical connections.
Installation Procedure
1. Connect the HVAC control module electrical connections.
2. Install the HVAC control module to the I/P trim plate.
Caution:
Refer to Fastener Caution Fastener Caution.
3. Install the HVAC control module retaining screws.
Tighten the screws to 1.9 Nm (17 lb in).
4. Connect the electrical connectors to the HVAC control module.
5. Install the I/P accessory trim plate. Refer to Instrument Panel Accessory Trim Plate Replacement Instrument Panel Accessory Trim Plate Replacement.
Note:
Do not adjust any controls on the HVAC control module while the HVAC control module is self-calibrating. If interrupted, improper HVAC performance will result.
The engine must be running for proper calibration to occur.
6. Start and allow the engine to run for at least one minute.
7. Refer to Control Module References Control Module References for programming and setup information.
Factory Service Tools
Use the Manual With the Right Hardware
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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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