Control Module HVAC: Service and Repair

2011 Chevrolet Corvette V8-7.0LSECTION 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 (Programming and Relearning) for programming and setup information.

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.