How to replace the HVAC control module on GMC Sierra 1500?

To replace your HVAC control module, first remove the instrument panel accessory trim plate, and the screws which fix the HVAC control module. Press the control assembly retaining tabs to remove the HVAC control module from the instrument panel, then remove the electrical connectors. While installing the new HVAC control module, keep the key of the car in off position for proper calibration, plug the electrical connectors, and introduce the module into the instrument panel and ensure the retaining tabs are locked. Fasten the screws of the HVAC control module while tightening them to 1.9 N.m (17 lb in). Finally, install the instrument panel accessory trim plate without alteration to the HVAC control module controls, during calibration, to avoid incorrect performance of the HVAC system. Start the vehicle and warm it up for a minute.

How to replace the auxiliary HVAC Control Module on an extended wheelbase on GMC Yukon?

Vehicle maintenance begins with proper refrigerant recovery from the A/C system and complete engine coolant drain before handling the auxiliary HVAC module replacement process on extended wheelbase vehicles. Locate the auxiliary HVAC module underneath and remove all lines connecting heater lines (2, 3) and air conditioning lines (4, 5). Lower the vehicle after removing the module retaining nuts so you can remove the right rear quarter trim panel. First remove the fasteners securing the module and the forward auxiliary air duct before extracting the auxiliary HVAC module after cable disconnection from its electrical connectors and outlet of the forward auxiliary air duct. Place the installed auxiliary HVAC module assembly back into the vehicle and fasten it with 2 bolts followed by reattaching the forward auxiliary air duct. The vehicle's right rear quarter trim panel should be reinstalled before you reconnect all electrical connectors. Then raise the vehicle. Secure the auxiliary HVAC module in place with nuts tightened to 9 Nm (80 lb in) before installing air conditioning lines (4, 5) then tightening the nut to 16 Nm (12 lb ft) and finally connecting heater lines (2, 3). Finish the repairs by lowering the vehicle and filling engine coolant followed by refrigerant recharge before conducting a leak test using the J 39400-A Halogen Leak Detector.

OEM GMC HVAC Control Module

Heater Control Assembly

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40 HVAC Control Modules found

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GMC Control Module Part Number: 13591690
$103.95 MSRP: $195.21
You Save: $91.26 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Control Assembly-Heater & A/C Remote; Dash Control Unit; Controller; Module; Control, Heater And A/C Control
Fits the following GMC Models:
- Sierra 1500 | 2014-2015 | Base, Denali, SLE, SLT | 6 Cyl 4.3 L FLEX, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
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GMC Heater Control, Black Carbon Part Number: 84164475
$153.01 MSRP: $314.40
You Save: $161.39 (52%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Control Assembly-Heater & A/C User Interface *Black Carbon; Climate Control Module; Blower Control Switch; Dash Control Unit
- Replaced by: 84199205
Fits the following GMC Models:
- Sierra 2500 HD | 2017-2018 | Base, Denali, SLE, SLT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
- Sierra 3500 HD | 2017-2018 | Base, Denali, SLE, SLT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
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GMC Controller Part Number: 13507672
$85.40 MSRP: $160.37
You Save: $74.97 (47%)
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Product Specifications
- Other Name: Control Assembly-Heater & A/C Remote
- Replaced by: 84569253
Fits the following GMC Models:
- Sierra 1500 | 2019 | Base | 4 Cyl 2.7 L GAS, 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
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GMC Blower Motor Resistor Part Number: 84488485
$89.14 MSRP: $183.19
You Save: $94.05 (52%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Module Assembly-Blower Motor Control; Module; Module, A/C Electric Temperature And Motor Control; Module, Heater Control
- Replaced by: 84178783
Fits the following GMC Models:
- Yukon | 2021-2023 | AT4, Denali, SLE, SLT | 6 Cyl 3.0 L DIESEL, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
- Yukon XL | 2021-2023 | AT4, Denali, SLE, SLT | 6 Cyl 3.0 L DIESEL, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
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GMC Controller Part Number: 13507673
$87.21 MSRP: $157.84
You Save: $70.63 (45%)
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Product Specifications
- Other Name: Control Assembly-Heater & A/C Remote
- Replaced by: 84569254
Fits the following GMC Models:
- Sierra 1500 | 2019 | Elevation, SLE | 4 Cyl 2.7 L GAS, 8 Cyl 5.3 L GAS
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GMC Module Part Number: 84422044
$81.23 MSRP: $147.02
You Save: $65.79 (45%)
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Product Specifications
- Other Name: Control Assembly-Heater & A/C Remote
- Replaces: 84422043
Fits the following GMC Models:
- Terrain | 2018-2019 | Denali, SL, SLE, SLT | 1.5L L4, 1.6L L4, 2.0L L4, 4 Cyl 1.5 L GAS, 4 Cyl 1.6 L DIESEL, 4 Cyl 2.0 L GAS
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GMC Heater Control, Black Part Number: 84164473
$110.49 MSRP: $227.05
You Save: $116.56 (52%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Control Assembly-Heater & A/C User Interface *Black; Climate Control Module; Blower Control Switch; Dash Control Unit
- Replaced by: 84199202
Fits the following GMC Models:
- Sierra 2500 HD | 2017-2018 | Base, Denali, SLE, SLT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
- Sierra 3500 HD | 2017-2018 | Base, Denali, SLE, SLT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
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GMC Heater Control Part Number: 13585884
$164.58 MSRP: $338.23
You Save: $173.65 (52%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Control Assembly-Heater & A/C Remote; Climate Control Module; Blower Control Switch; Dash Control Unit
- Replaced by: 13591309
Fits the following GMC Models:
- Terrain | 2012 | SLE, SLT | 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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GMC 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
Fits the following GMC Models:
- Sierra | 1999-2002 | 4.3L V6, 4.8L V8, 5.3L V8, 6.0L V8, 6.6L V8, 8.1L V8
- Sierra 1500 | 1999-2002 | Base, C3, Denali, HT, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
- Sierra 1500 HD | 2001-2002 | SLE, SLT | 8 Cyl 6.0 L GAS
- Sierra 2500 | 1999-2002 | Base, SL, SLE, SLT | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
- Sierra 2500 HD | 2001-2002 | Base, SL, SLE, SLT | 8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
- Sierra 3500 | 2001-2002 | Base, SL, SLE, SLT | 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
- Yukon | 2000-2002 | Denali, SLE, SLT | 4.8L V8, 5.3L V8, 5.7L V8, 6.0L V8, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS, 8.1L V8
- Yukon XL 1500 | 2000-2002 | Denali, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
- Yukon XL 2500 | 2000-2002 | SLE, SLT | 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
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GMC Control Module Part Number: 88892976
Product Specifications
- Other Name: Module, Blower Motor Control; Module; Module, A/C Electric Temperature And Motor Control
Fits the following GMC Models:
- Envoy | 2002-2007 | Denali, SLE, SLT | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
- Envoy XL | 2002-2006 | Denali, SLE, SLT | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
- Envoy XUV | 2004-2005 | SLE, SLT | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
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GMC Temperature Control Part Number: 25841856
Product Specifications
- Other Name: Control, Air Conditioner Instrument Panel; Climate Control Module; Blower Control Switch; Dash Control Unit
- Replaces: 15132087, 15238515, 15221922, 15113185, 15858833
Fits the following GMC Models:
- Canyon | 2004-2012 | SL, SLE, SLT, WT, Z71 Fleet, Z71 SL, Z71 SLE, Z85 SL, Z85 SLE | 4 Cyl 2.8 L GAS, 4 Cyl 2.9 L GAS, 5 Cyl 3.5 L GAS, 5 Cyl 3.7 L GAS, 8 Cyl 5.3 L GAS
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GMC 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
Fits the following GMC Models:
- Sierra 1500 | 2003 | Base, Denali, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
- Sierra 1500 HD | 2003 | SLE, SLT | 8 Cyl 6.0 L GAS
- Sierra 2500 | 2003 | Base, SLE, SLT, WT | 8 Cyl 6.0 L GAS
- Sierra 2500 HD | 2003 | 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
- Sierra 3500 | 2003 | Base, 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 Heater Control Part Number: 15763059
Product Specifications
- Other Name: Control, Heater And Air Conditioner Control; Climate Control Module; Blower Control Switch; Dash Control Unit
Fits the following GMC Models:
- Sierra 1500 | 2003-2007 | Base, Denali, Hybrid, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L GAS
- Sierra 1500 Classic | 2007 | Denali, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
- Sierra 1500 HD | 2005-2006, 2003 | SLE, SLT | 8 Cyl 6.0 L GAS
- Sierra 1500 HD Classic | 2007 | SLE, SLT | 8 Cyl 6.0 L GAS
- Sierra 2500 | 2003-2004 | Base, SLE, SLT, WT | 8 Cyl 6.0 L GAS
- Sierra 2500 HD | 2003-2007 | 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
- Sierra 2500 HD Classic | 2007 | SL, SLE, SLT, WT | 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
- Sierra 3500 | 2003-2006 | 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
- Sierra 3500 Classic | 2007 | SL, SLE, SLT, WT | 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
- Sierra 3500 HD | 2007 | SLE, SLT, WT | 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
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GMC 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
Fits the following GMC Models:
- Sierra 1500 | 2006 | Denali, Hybrid, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
- Sierra 1500 Classic | 2007
- Sierra 1500 HD | 2006 | SLE, SLT | 8 Cyl 6.0 L GAS
- Sierra 2500 HD | 2006 | SL, SLE, SLT, WT | 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
- Sierra 3500 | 2006 | SL, SLE, SLT, WT | 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
- Yukon | 2006 | Denali, SL, SLE, SLT | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
- Yukon XL 1500 | 2006 | Denali, SL, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
- Yukon XL 2500 | 2006 | SLE, SLT | 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
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GMC 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
Fits the following GMC Models:
- Sierra | 2005-2007 | 4.3L V6, 4.8L V8, 5.3L V8, 6.0L V8, 6.2L V8, 6.6L V8, 8.1L V8
- Sierra 1500 | 2005-2007 | Base, Denali, Hybrid, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L GAS
- Sierra 1500 Classic | 2007 | Denali, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
- Sierra 1500 HD | 2005-2006 | SLE, SLT | 8 Cyl 6.0 L GAS
- Sierra 1500 HD Classic | 2007 | SLE, SLT | 8 Cyl 6.0 L GAS
- Sierra 2500 HD | 2005-2007 | 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
- Sierra 2500 HD Classic | 2007 | SL, SLE, SLT, WT | 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
- Sierra 3500 | 2005-2006 | 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
- Sierra 3500 Classic | 2007 | SL, SLE, SLT, WT | 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
- Sierra 3500 HD | 2007 | SLE, SLT, WT | 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
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GMC Heater Control Part Number: 19370229
$199.44 MSRP: $313.81
You Save: $114.37 (37%)
Product Specifications
- Other Name: Control, Air Conditioner Instrument Panel; Climate Control Module; Blower Control Switch; Dash Control Unit
- Replaces: 15952374, 25803407, 25869948, 25869944, 15913498, 25936132
Fits the following GMC Models:
- Sierra | 2007-2011 | 4.3L V6, 4.8L V8, 5.3L V8, 6.0L V8, 6.2L V8, 6.6L V8
- Sierra 1500 | 2007-2013 | Denali, Hybrid, SL, SLE, SLT, WT, XFE | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
- Sierra 2500 HD | 2007-2013 | Denali, SLE, SLT, WT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
- Sierra 3500 HD | 2007-2013 | Denali, SLE, SLT, WT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
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GMC Heater Control Part Number: 23449074
Product Specifications
- Other Name: Control, Heater And Air Conditioner Control; Climate Control Module; Blower Control Switch; Dash Control Unit
Fits the following GMC Models:
- Canyon | 2015-2016 | Base, SL | 4 Cyl 2.5 L GAS, 6 Cyl 3.6 L GAS
- Sierra 1500 | 2015-2018 | Base, Denali, SLE, SLT | 6 Cyl 4.3 L FLEX, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS
- Sierra 2500 HD | 2015-2016 | Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
- Sierra 3500 HD | 2015-2016 | Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
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GMC Heater Control Part Number: 23449156
Product Specifications
- Other Name: Control, Heater And Air Conditioner Control; Climate Control Module; Blower Control Switch; Dash Control Unit
Fits the following GMC Models:
- Sierra 1500 | 2015-2018 | Base, Denali, SLE, SLT | 6 Cyl 4.3 L FLEX, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS
- Sierra 2500 HD | 2015-2017 | Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
- Sierra 3500 HD | 2015-2017 | Base, Denali, SLE, SLT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
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GMC Control Module Part Number: 52494707
Product Specifications
- Other Name: Module, Blower Motor Control; Module, A/C Electric Temperature And Motor Control
Fits the following GMC Models:
- Envoy | 2002-2004 | SLE, SLT | 6 Cyl 4.2 L GAS
- Envoy XL | 2002-2004 | SLE, SLT | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
- Envoy XUV | 2004 | SLE, SLT | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
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GMC Dash Control Unit, Rear Part Number: 16233144
Product Specifications
- Other Name: Control Assembly, Heater (W/Rear Window Defogger Switch); Climate Control Module
- Position: Rear
- Replaces: 16177635
Fits the following GMC Models:
- C1500 | 1995-1996 | Sierra SL, Sierra SLE, Sierra SLT, Sierra Special | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL
- C1500 Suburban | 1995-1996 | Base, SLE, SLT | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL
- C2500 | 1995-1996 | Sierra SL, Sierra SLE, Sierra SLT | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
- C2500 Suburban | 1995-1996 | Base, SLE, SLT | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
- C3500 | 1995-1996 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
- K1500 | 1995-1996 | Sierra SL, Sierra SLE, Sierra SLS, Sierra SLT, Sierra Special | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL
- K1500 Suburban | 1995-1996 | Base, SLE, SLT | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL
- K2500 | 1995-1996 | Sierra SL, Sierra SLE, Sierra SLT | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
- K2500 Suburban | 1995-1996 | Base, SLE, SLT | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
- K3500 | 1995-1996 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
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GMC HVAC Control Module

Choose OEM HVAC Control Module, you're making the optimal decision for superior quality and perfect performance. You can feel confident because each component goes through stringent quality checks. Every part is carefully built to comply with GMC's factory specifications. You'll enjoy a smooth, worry-free installation that fits just right. At ChevyPartsDeal.com, you'll find it easy to get top-quality OEM GMC HVAC Control Module. You can shop at highly competitive prices and protect your budget. All our genuine GMC parts include a dependable manufacturer's warranty. You'll also appreciate our straightforward return policy and swift delivery services for extra convenience.

GMC HVAC Control Module maintains the temperatures in the cabins at a constant level due to automated fast corrections at any time on the road. GMC trucks and SUVs bear the name as a source of pride since the company values muscle and pragmatism. Powerful ladder frames shake off the rough work sites as cabins mitigate long commuting. Smart towing parts such as hitch guidance system can assist a driver to reverse trailers without a commotion. None of the engines, suspensions, or electronics are introduced to intensive durability tests until the day of showroom release, which keeps the reliability figures high. The safety technology like surround vision covers all corners allowing novice drivers to park the hulks with the confidence of a rock. Materials inside are not soft and cozy, and thus muddy boots or family snacks are never disastrous. High-quality sound insulation ensures that one can hear the conversation even when the large tires are chewing on the gravel at high velocity. The HVAC Control Module is located behind the dash and reads each button press or turn on the knob and commands the blend doors, the blower motor, and compressor clutch to respond without delay. Automatic temperature control sensors scan the air of the cabin environment, and thus the HVAC Control Module continuously adjusts the airflow and the amount of coolants to ensure the cabin is kept to a set temperature, whether it is the hot desert wind or the winter snow which attempts to intrude. Since GMC manufactures it to the same level throughout the range, purchasers can replace or refresh the unit on older rides and still have complete climate control without scavenging down to track down a model-specific variant.

GMC HVAC Control Module Parts and Q&A

Heater Control
19370209
Q: How to replace the HVAC control module on GMC Sierra 1500?
A:
To replace your HVAC control module, first remove the instrument panel accessory trim plate, and the screws which fix the HVAC control module. Press the control assembly retaining tabs to remove the HVAC control module from the instrument panel, then remove the electrical connectors. While installing the new HVAC control module, keep the key of the car in off position for proper calibration, plug the electrical connectors, and introduce the module into the instrument panel and ensure the retaining tabs are locked. Fasten the screws of the HVAC control module while tightening them to 1.9 N.m (17 lb in). Finally, install the instrument panel accessory trim plate without alteration to the HVAC control module controls, during calibration, to avoid incorrect performance of the HVAC system. Start the vehicle and warm it up for a minute.
Blower Motor Resistor
84178783
Q: How to replace the auxiliary HVAC Control Module on an extended wheelbase on GMC Yukon?
A:
Vehicle maintenance begins with proper refrigerant recovery from the A/C system and complete engine coolant drain before handling the auxiliary HVAC module replacement process on extended wheelbase vehicles. Locate the auxiliary HVAC module underneath and remove all lines connecting heater lines (2, 3) and air conditioning lines (4, 5). Lower the vehicle after removing the module retaining nuts so you can remove the right rear quarter trim panel. First remove the fasteners securing the module and the forward auxiliary air duct before extracting the auxiliary HVAC module after cable disconnection from its electrical connectors and outlet of the forward auxiliary air duct. Place the installed auxiliary HVAC module assembly back into the vehicle and fasten it with 2 bolts followed by reattaching the forward auxiliary air duct. The vehicle's right rear quarter trim panel should be reinstalled before you reconnect all electrical connectors. Then raise the vehicle. Secure the auxiliary HVAC module in place with nuts tightened to 9 Nm (80 lb in) before installing air conditioning lines (4, 5) then tightening the nut to 16 Nm (12 lb ft) and finally connecting heater lines (2, 3). Finish the repairs by lowering the vehicle and filling engine coolant followed by refrigerant recharge before conducting a leak test using the J 39400-A Halogen Leak Detector.