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.

2007 Chevrolet Impala SSFACTORY OEM SERVICE PROCEDURE

HVAC Control Module Replacement

WARNING: This page is about a different car, the 2012 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of HVAC Control Module

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedure Remove the instrument panel accessory trim plate. Refer to Instrument Panel Accessory Trim Plate Replacement .
1	Heater and Air Conditioning Control Assembly Screw (Qty: 2) CAUTION: Refer to Fastener Caution . The key should be in the OFF position when connecting the electrical connectors to ensure proper calibration. Disconnect the heater and air conditioning control assembly electrical connectors. Tighten 1.5 N.m (13 lb in)
2	Heater and Air Conditioning Control Assembly TIP: Refer to Control Module References for programming and set up information.

Factory Service Tools

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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.