How to replace the HVAC control module on GMC Sierra 3500?

Firstly, you need to remove the instrument cluster trim plate bezel, the instrument panel storage tray, and the accessory switch assembly from the instrument panel for an HVAC Control Module replacement process. After that, unscrew the screws from the hvac control assembly and then release the retaining tabs to pull out the control head from the instrument panel carrier. Remove the electrical connectors from the hvac control assembly. For installation, you should attach the electrical connectors to the control assembly of the hvac while ensuring that the key is off position for the correct calibration. Mount the hvac control assembly, install the accessory switch assembly, and then fasten the hvac control assembly with screws that will be tightened to 1.9 n.m (17 lb in). Lastly, replace the instrument panel storage tray and the instrument cluster trim plate bezel. We will begin the vehicle and let it warm for one minute, without making any changes to the HVAC Control Module to avoid incorrect hvac performance.

OEM GMC Sierra 3500 HVAC Control Module

Heater Control Assembly

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6 HVAC Control Modules found

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GMC Sierra 3500 Control Module
Part Number: 19329838
Product Specifications
- Other Name: Module, Air Conditioner Electric Temperature And Motor Control; Blower Motor Resistor; Resistor; Module, A/C Electric Temperature And Motor Control
- Replaces: 19329772, 93803637, 88986529
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003 GMC Sierra 3500 | Base, SLE, SLT | 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
View related parts
GMC Sierra 3500 Heater Control
Part Number: 19244874
Product Specifications
- Other Name: Control, Heater And Air Conditioner Control; Climate Control Module; Blower Control Switch; Dash Control Unit
- Position: Rear
- Replaces: 15054698, 15753263, 09361345, 9361345
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2002 GMC Sierra 3500 | Base, SL, SLE, SLT | 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
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GMC Sierra 3500 Heater Control
Part Number: 15763059
Product Specifications
- Other Name: Control, Heater And Air Conditioner Control; Climate Control Module; Blower Control Switch; Dash Control Unit
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2006 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
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GMC Sierra 3500 Dash Control Unit
Part Number: 19417446
$165.06 MSRP: $259.72
You Save: $94.66 (37%)
Product Specifications
- Other Name: Control Assembly, Heater & A/C (W/Heated Mirror Switch); Climate Control Module
- Replaces: 15222482, 15855849
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006 GMC Sierra 3500 | SL, SLE, SLT, WT | 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
View related parts
GMC Sierra 3500 Heater Control
Part Number: 19370216
$174.14 MSRP: $274.00
You Save: $99.86 (37%)
Product Specifications
- Other Name: Control, Air Conditioner Instrument Panel; Climate Control Module; Blower Control Switch; Dash Control Unit
- Replaces: 10370034, 15832315, 21997353
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2006 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
View related parts
GMC Sierra 3500 Heater Control
Part Number: 19370209
$169.27 MSRP: $266.33
You Save: $97.06 (37%)
Product Specifications
- Other Name: Control, Air Conditioner Instrument Panel; Climate Control Module; Blower Control Switch; Dash Control Unit
- Replaces: 10367042, 15107730, 15185639, 15137655, 15105215
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2004 GMC Sierra 3500 | Base, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS

GMC Sierra 3500 HVAC Control Module

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GMC Sierra 3500 HVAC Control Module Parts Questions & Experts Answers

Heater Control
19370216
Q: How to replace the HVAC control module on GMC Sierra 3500?
A: Firstly, you need to remove the instrument cluster trim plate bezel, the instrument panel storage tray, and the accessory switch assembly from the instrument panel for an HVAC Control Module replacement process. After that, unscrew the screws from the hvac control assembly and then release the retaining tabs to pull out the control head from the instrument panel carrier. Remove the electrical connectors from the hvac control assembly. For installation, you should attach the electrical connectors to the control assembly of the hvac while ensuring that the key is off position for the correct calibration. Mount the hvac control assembly, install the accessory switch assembly, and then fasten the hvac control assembly with screws that will be tightened to 1.9 n.m (17 lb in). Lastly, replace the instrument panel storage tray and the instrument cluster trim plate bezel. We will begin the vehicle and let it warm for one minute, without making any changes to the HVAC Control Module to avoid incorrect hvac performance.