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 MANUALSCHEVROLET2006TRAILBLAZER 2WD V8-6.0L VIN HREPAIR AND DIAGNOSISHEATING AND AIR CONDITIONINGCONTROL ASSEMBLYSERVICE AND REPAIRHVAC SYSTEM - AUTOMATICHVAC CONTROL MODULE
2006 Chevrolet TrailBlazer 2WD V8-6.0L VIN H
HVAC Control Module
2006 Chevrolet TrailBlazer 2WD V8-6.0L VIN HSECTION HVAC Control Module
HVAC CONTROL MODULE REPLACEMENT
REMOVAL PROCEDURE
1. Remove the I/P accessory trim plate.
2. Remove the HVAC control module screws.
3. Depress the HVAC control module tabs (3) and remove the HVAC control module (2) from the I/P (4).
4. Disconnect the electrical connectors (1) from the HVAC control module (2).
INSTALLATION PROCEDURE
1. Connect the electrical connectors (1) to the HVAC control module (2).
2. Install the HVAC control module (2) into the I/P (4).
IMPORTANT: Ensure that the HVAC control module tabs (3) lock into place.
3. Install the HVAC control module screws.
Tighten the screws to 1.9 N.m (17 lb in).
NOTE: Refer to Fastener Notice.
4. Install the I/P accessory trim plate.
5. Refer to Control Module References for programming and setup information. Programming and Relearning
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.