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 MANUALSCHEVROLET2012TAHOE 4WD V8-6.0L HYBRIDREPAIR AND DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - HVACCONTROL MODULE HVACTESTING AND INSPECTIONAUXILIARY HEATING, VENTILATION, AND AIR CONDITIONING CONTROL MODULE PROGRAMMING AND SETUP
2012 Chevrolet Tahoe 4WD V8-6.0L Hybrid
Auxiliary Heating, Ventilation, and Air Conditioning Control Module Programming and Setup
2012 Chevrolet Tahoe 4WD V8-6.0L HybridSECTION Auxiliary Heating, Ventilation, and Air Conditioning Control Module Programming and Setup
Auxiliary Heating, Ventilation, and Air Conditioning Control Module Programming and Setup
Each of the following service procedures may require programming or setup procedures to be performed on the auxiliary HVAC control module or HVAC actuators.
Auxiliary HVAC Control Module Replacement
If the auxiliary HVAC control module is replaced no additional procedures are necessary.
Auxiliary HVAC Control Module Reprogramming
Do not reprogram the auxiliary HVAC control module, unless directed by a service procedure, or a service bulletin.
Reprogram HVAC Control Module-Refer to HVAC System Control Module Programming and Setup HVAC System Control Module Programming and Setup.
Actuator Replacement
If an actuator is replaced, the following procedure must be performed:
* Re-Calibrating Actuators-Refer to Actuator Recalibration HVAC - Automatic.
* Re-Calibrating Actuators-Refer to Actuator Recalibration HVAC - Manual.
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.