How to replace the HVAC control module on Buick LaCrosse?

The first step to switch the HVAC control module requires removal of the instrument panel lower trim plate. The next step involves removing the HVAC control module mounting screws where the module is retained by clips. The HVAC control module must slide backward from the instrument panel to disconnect its electrical connectors for removal. The HVAC control module installation requires the key to be in the off position during connector connection. Place the module in position before tightening 2 N.m (18 lb in) mounting screws. You need to install the instrument panel lower trim plate as your last step. Calibration success depends on avoiding any changes made to HVAC control module controls because nonstandard adjustments can trigger problems with performance. The programming process requires one minute of engine operation to finish.

How to remove and install the HVAC control module on Buick Regal?

The first step to remove the control module hvac is removing the right side ip insulator panel. Start by disconnecting the electrical connector from the Blower Motor control processor before moving to disconnect the Blower Motor control processor electrical connector from the Blower Motor. Pay attention that the slot-shaped opening on the Blower Motor control processor affects installation access as you loosen both forward bolts. First remove the rearward bolt before extracting the blower control processor while tilting it downward. When installing the Blower Motor control processor start by positioning its forward retaining slots onto the screws while placing it against the hvac module. Insert and tighten the rearward screw to 1.5 n.m (13 lb in) torque while tightening the forward screws to match this specification. You need to join the electrical connector of the Blower Motor control processor to the Blower Motor before you reconnect the electrical connector from the Blower Motor control processor. The last step involves reinstallation of the right-side ip insulator.

OEM Buick HVAC Control Module

Heater Control Assembly

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36 HVAC Control Modules found

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Buick Heater Control Part Number: 13506235
$82.77 MSRP: $155.44
You Save: $72.67 (47%)
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Product Specifications
- Other Name: Control Assembly-Heater & A/C Remote; Climate Control Module; Blower Control Switch; Dash Control Unit; Control, Heater And A/C Control
- Replaces: 13594970
Fits the following Buick Models:
- Encore | 2017, 2015 | Base, Convenience, Essence, Leather, Preferred, Preferred II, Premium, Sport Touring | 4 Cyl 1.4 L GAS
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Buick Control Module Part Number: 84428981
$84.49 MSRP: $158.66
You Save: $74.17 (47%)
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Product Specifications
- Other Name: Control Assembly-Heater & A/C Remote; Heater Control; Module; Control, Heater And A/C Control
- Replaces: 13508454
Fits the following Buick Models:
- Regal Sportback | 2018 | Base, Essence, GS, Preferred, Preferred II | 4 Cyl 2.0 L GAS, 6 Cyl 3.6 L GAS
- Regal TourX | 2018 | Base, Essence, Preferred | 4 Cyl 2.0 L GAS
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Buick Control Module Part Number: 42761444
$46.79 MSRP: $83.56
You Save: $36.77 (44%)
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Product Specifications
- Other Name: Module Assembly-Blower Motor Control; Module, A/C Electric Temperature And Motor Control
- Replaces: 42643755
Fits the following Buick Models:
- Encore GX | 2020-2024 | Avenir, Essence, Preferred, Select, Sport Touring | 3 Cyl 1.2 L GAS, 3 Cyl 1.3 L GAS
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Buick Alternator Part Number: 13590817
$119.38 MSRP: $214.14
You Save: $94.76 (45%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Control Assembly-Heater & A/C Remote; Control, Heater And A/C Control
Fits the following Buick Models:
- Regal Sportback | 2018-2020 | Avenir, Base, Essence, Preferred, Preferred II | 4 Cyl 2.0 L GAS
- Regal TourX | 2018-2020 | Base, Essence, Preferred | 4 Cyl 2.0 L GAS
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Buick Heater Control Part Number: 84138221
$86.19 MSRP: $255.07
You Save: $168.88 (67%)
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Product Specifications
- Other Name: Control Assembly-Heater & A/C User Interface; Climate Control Module; Blower Control Switch; Dash Control Unit
- Replaced by: 84447713
Fits the following Buick Models:
- LaCrosse | 2017-2019 | Avenir, Base, Essence, Preferred, Premium, Sport Touring | 4 Cyl 2.5 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.6 L GAS
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Buick Heater Control Part Number: 13598193
$129.51 MSRP: $266.14
You Save: $136.63 (52%)
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Product Specifications
- Other Name: Control Assembly-Heater & A/C Remote; Climate Control Module; Blower Control Switch; Dash Control Unit; Controller
- Replaced by: 13516018
Fits the following Buick Models:
- Regal | 2014-2015 | Base, GS, Premium | 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
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Buick Dash Control Unit, Jet Black Part Number: 84015309
$257.81 MSRP: $466.62
You Save: $208.81 (45%)
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Product Specifications
- Other Name: Control Assembly-Heater & A/C User Interface *Jet Black; Climate Control Module; Blower Control Switch
- Replaced by: 84443701
Fits the following Buick Models:
- Envision | 2016 | Premium | 4 Cyl 2.0 L GAS
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Buick Dash Control Unit Part Number: 13594970
$82.77 MSRP: $155.44
You Save: $72.67 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Control Assembly-Heater & A/C Remote; Climate Control Module; Control, Heater And A/C Control
- Replaced by: 13506235
Fits the following Buick Models:
- Encore | 2015 | Base, Convenience, Leather, Premium | 4 Cyl 1.4 L GAS
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Buick Dash Control Unit, Black Part Number: 90802629
$296.03 MSRP: $551.98
You Save: $255.95 (47%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Control, Heater And Air Conditioner Control; Climate Control Module
- Replaced by: 26202379
Fits the following Buick Models:
- Regal | 2014-2017 | Base, GS, Premium, Sport Touring | 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
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Buick Dash Control Unit, Black Part Number: 26202382
$264.70 MSRP: $475.30
You Save: $210.60 (45%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Control, Heater & A/C; Climate Control Module
Fits the following Buick Models:
- Regal | 2016-2017 | Base, GS, Premium, Sport Touring | 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
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Buick Dash Control Unit Part Number: 90802630
$307.19 MSRP: $572.93
You Save: $265.74 (47%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Control Assembly-Heater & A/C *Cocoa; Climate Control Module
- Replaced by: 26202380
Fits the following Buick Models:
- Regal | 2014-2017 | Base, GS, Premium, Sport Touring | 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
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Buick Dash Control Unit Part Number: 13588568
$81.01 MSRP: $146.61
You Save: $65.60 (45%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Control Assembly-Heater & A/C Remote; Climate Control Module; Control, Heater And A/C Control
Fits the following Buick Models:
- Encore | 2015 | Base, Convenience, Leather, Premium | 4 Cyl 1.4 L GAS
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Buick Dash Control Unit Part Number: 26202383
$264.70 MSRP: $475.30
You Save: $210.60 (45%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Control, Heater & A/C; Climate Control Module
Fits the following Buick Models:
- Regal | 2016-2017 | Base, GS, Premium, Sport Touring | 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
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Buick Control Module Part Number: 89019166
Product Specifications
- Other Name: Module Assembly, Blower Motor Control; Blower Motor Resistor; Module; Resistor; Module, A/C Electric Temperature And Motor Control
- Replaces: 52479971, 52477902
Fits the following Buick Models:
- Century | 1997-2005 | Custom, Limited, Special Edition | 6 Cyl 3.1 L GAS
- Regal | 1997-2004 | 25th Anniversary Edition, GS, GSE, LS, LSE | 6 Cyl 3.8 L GAS
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Buick Control Module Part Number: 52478281
Product Specifications
- Other Name: Module Assembly, Blower Motor Control; Module, A/C Electric Temperature And Motor Control
- Replaces: 52470758
Fits the following Buick Models:
- Park Avenue | 1997-1999 | Base, Ultra | 6 Cyl 3.8 L GAS
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Buick Control Module Part Number: 12368389
Product Specifications
- Other Name: Module, Blower Motor Control; Module; Module, A/C Electric Temperature And Motor Control
- Replaces: 16174976
Fits the following Buick Models:
- Park Avenue | 1992-1996 | Base, Ultra | 6 Cyl 3.8 L GAS
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Buick 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 Buick Models:
- Rainier | 2004-2006 | CXL, CXL Plus | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
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Buick Heater Control Part Number: 19329969
Product Specifications
- Other Name: Control, Heater & A/C; Climate Control Module; Blower Control Switch; Dash Control Unit
- Replaces: 10435588, 9360494, 09360494
Fits the following Buick Models:
- Century | 2000-2005 | 3.1L V6
- Regal | 2000-2004 | GS, GSE, LS, LSE | 3.8L V6, 6 Cyl 3.8 L GAS
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Buick Dash Control Unit Part Number: 16034550
Product Specifications
- Other Name: Control, Heater And Air Conditioner Control; Climate Control Module
Fits the following Buick Models:
- Skyhawk | 1984-1985 | Custom, Limited, T-Type | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS
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Buick Dash Control Unit Part Number: 19329968
Product Specifications
- Other Name: Control, Heater And Air Conditioner Control; Climate Control Module
- Replaces: 9352034, 09352034
Fits the following Buick Models:
- Century | 1998-1999 | 3.1L V6
- Regal | 1998-1999 | 25th Anniversary Edition, GS, LS | 3.8L V6, 6 Cyl 3.8 L GAS

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1-20 of 36 Results

Buick 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 Buick's factory specifications. You'll enjoy a smooth, worry-free installation that fits just right. At ChevyPartsGiant.com, you'll find it easy to get top-quality OEM Buick HVAC Control Module. You can shop at highly competitive prices and protect your budget. All our genuine Buick parts include a dependable manufacturer's warranty. You'll also appreciate our straightforward return policy and swift delivery services for extra convenience.

Buick HVAC Control Module Parts and Q&A

Control Module
22754990
Q: How to replace the HVAC control module on Buick LaCrosse?
A:
The first step to switch the HVAC control module requires removal of the instrument panel lower trim plate. The next step involves removing the HVAC control module mounting screws where the module is retained by clips. The HVAC control module must slide backward from the instrument panel to disconnect its electrical connectors for removal. The HVAC control module installation requires the key to be in the off position during connector connection. Place the module in position before tightening 2 N.m (18 lb in) mounting screws. You need to install the instrument panel lower trim plate as your last step. Calibration success depends on avoiding any changes made to HVAC control module controls because nonstandard adjustments can trigger problems with performance. The programming process requires one minute of engine operation to finish.
Control Module
89019166
Q: How to remove and install the HVAC control module on Buick Regal?
A:
The first step to remove the control module hvac is removing the right side ip insulator panel. Start by disconnecting the electrical connector from the Blower Motor control processor before moving to disconnect the Blower Motor control processor electrical connector from the Blower Motor. Pay attention that the slot-shaped opening on the Blower Motor control processor affects installation access as you loosen both forward bolts. First remove the rearward bolt before extracting the blower control processor while tilting it downward. When installing the Blower Motor control processor start by positioning its forward retaining slots onto the screws while placing it against the hvac module. Insert and tighten the rearward screw to 1.5 n.m (13 lb in) torque while tightening the forward screws to match this specification. You need to join the electrical connector of the Blower Motor control processor to the Blower Motor before you reconnect the electrical connector from the Blower Motor control processor. The last step involves reinstallation of the right-side ip insulator.