How to replace the Body Control Module (BCM) on Buick LaCrosse?

Take proper steps to fight electrostatic discharge (ESD) before you start replacing the Body Control Module (BCM). Take out the left instrument panel outer trim first and use a press to release the cam lock. Disconnect the upper electrical connector from the BCM. First disconnect the knee bolster before taking out the left I/P insulator. Following this press the cam lock to take off both lower BCM electrical connectors. Take the BCM bracket screws out and remove the BCM and bracket from their I/P position to split them apart. Before mounting, place the BCM on the BCM bracket then install the unit into its original position by tightening its screws to 2 N.m (18 lb in). Secure the lower BCM electrical connectors using the cam lock before putting back the knee bolster and left I/P insulator. Connect the BCM's upper electric socket and fix it with the cam lock before installing the left I/P panel. Complete the new BCM installation process according to necessary specifications.

OEM Buick LaCrosse Body Control Module

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40 Body Control Modules found

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Buick LaCrosse Body Control Module Part Number: 13594564
$118.04 MSRP: $245.74
You Save: $127.70 (52%)
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Product Specifications
- Other Name: Module Assembly-Body Control
- Replaced by: 13534184
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2016 Buick LaCrosse | Base, Leather, Premium, Sport Touring | 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Buick LaCrosse Body Control Module Part Number: 13586278
$153.03 MSRP: $318.61
You Save: $165.58 (52%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Module Assembly-Body Control; Module
- Replaced by: 13534181
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2011 Buick LaCrosse | CX, CXL, CXS | 4 Cyl 2.4 L GAS, 6 Cyl 3.6 L GAS
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Buick LaCrosse Control Module, Front Rear Part Number: 84078176
$122.96 MSRP: $202.55
You Save: $79.59 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Module, Theft Deterrent Or Front/Rear/Side Object
- Position: Front Rear
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2019 Buick LaCrosse | 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 LaCrosse Rear Camera Part Number: 22883286
$137.51 MSRP: $215.24
You Save: $77.73 (37%)
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Product Specifications
- Other Name: Module, Rear View Camera Image Display; Camera; Module, Head Up Display & Rear View Camera
- Position: Rear
- Replaces: 20860481, 22923842
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2016 Buick LaCrosse | Base, Leather, Premium, Sport Touring | 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Buick LaCrosse Control Module, Driver Side Part Number: 84007647
$343.19 MSRP: $517.74
You Save: $174.55 (34%)
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Product Specifications
- Other Name: Module Assembly-Side Object Sensing Alert
- Position: Driver Side
- Replaces: 22844403, 90799568
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2016 Buick LaCrosse | Base, Leather, Premium, Sport Touring | 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Buick LaCrosse Body Control Module Part Number: 13594614
$163.57 MSRP: $293.40
You Save: $129.83 (45%)
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Product Specifications
- Other Name: Module Assembly-Body Control; Module
- Replaced by: 13534187
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2019 Buick LaCrosse | 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 LaCrosse Module, Body Multi Function Electric Computer Part Number: 13534183
$125.47 MSRP: $261.22
You Save: $135.75 (52%)
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Product Specifications
- Other Name: Module Assembly, Body Control; Module, Door Electric And Vacuum Locks
- Replaces: 13580697, 13586273
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2013 Buick LaCrosse | Base, Leather, Premium, Touring | 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.6 L FLEX
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Buick LaCrosse Control Module Part Number: 13523276
$48.47 MSRP: $96.43
You Save: $47.96 (50%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Module Assembly-Theft Deterrent
- Replaces: 13502302, 13504287
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2019, 2010-2016 Buick LaCrosse | Avenir, Base, CX, CXL, CXS, Convenience, Essence, Leather, Preferred, Premium, Sport Touring, Touring | 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV), 4 Cyl 2.5 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Buick LaCrosse Module Part Number: 13519643
$193.24 MSRP: $362.90
You Save: $169.66 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Module Assembly-Body Control
- Replaced by: 13534189
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019 Buick LaCrosse | 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 LaCrosse Control Module Part Number: 23401479
$239.48 MSRP: $449.72
You Save: $210.24 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Module Assembly-Side Object Sensing Alert; Object Sensor
- Replaced by: 84510068
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2019 Buick LaCrosse | 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 LaCrosse Module Part Number: 15234006
$65.20 MSRP: $107.91
You Save: $42.71 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Module, Theft Deterrent Or Front/Rear/Side Object
- Replaces: 10354710
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2009 Buick LaCrosse | CX, CXL, CXS, Super | 6 Cyl 3.6 L GAS, 6 Cyl 3.8 L GAS, 8 Cyl 5.3 L GAS
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Buick LaCrosse Control Module, Front Rear Part Number: 84078178
$106.07 MSRP: $174.73
You Save: $68.66 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Module, Theft Deterrent Or Front/Rear/Side Object
- Position: Front Rear
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2019 Buick LaCrosse | 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 LaCrosse Control Module, Driver Side Part Number: 26667674
$90.88 MSRP: $142.25
You Save: $51.37 (37%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Module Assembly-Headlamp Led Driver; Lighting Control Module; Controller; Module, Headlamp/Fog Lamp/Turn Signal
- Position: Driver Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2019 Buick LaCrosse | 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 LaCrosse Module Part Number: 84112849
$271.03 MSRP: $405.22
You Save: $134.19 (34%)
Product Specifications
- Other Name: Module, Mobile Telephone Radio
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017 Buick LaCrosse | Base, Essence, Preferred, Premium | 6 Cyl 3.6 L GAS
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Buick LaCrosse Control Module, Passenger Side Part Number: 42450157
$405.73 MSRP: $606.59
You Save: $200.86 (34%)
Product Specifications
- Other Name: Module Assembly-Side Object Sensing Alert
- Position: Passenger Side
- Replaces: 23173664, 23455665, 90799565
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2016 Buick LaCrosse | Base, Leather, Premium, Sport Touring | 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Buick LaCrosse Control Module Part Number: 13578646
Product Specifications
- Other Name: Module Assembly-Keyless Entry Control
- Replaces: 13577129, 13504820
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2016, 2010-2012 Buick LaCrosse | Base, CX, CXL, CXS, Convenience, Leather, Premium, Sport Touring, Touring | 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Buick LaCrosse Body Control Module Part Number: 19119309
Product Specifications
- Other Name: Module Assembly, Body Control (Remanufacture)
- Replaces: 15862061, 15917661, 15942206, 25803426
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2009 Buick LaCrosse | CX, CXL, CXS, Super | 6 Cyl 3.6 L GAS, 6 Cyl 3.8 L GAS, 8 Cyl 5.3 L GAS
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Buick LaCrosse Body Control Module Part Number: 13578421
Product Specifications
- Other Name: Module Assembly-Body Control; Module
- Replaces: 13500385
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010 Buick LaCrosse | CX, CXL, CXS | 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L GAS
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Buick LaCrosse Receiver Part Number: 23127633
Product Specifications
- Other Name: Module, Mobile Telephone Radio; Module
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014 Buick LaCrosse | Base, Leather, Premium | 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.6 L FLEX
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Buick LaCrosse Receiver Part Number: 20842731
Product Specifications
- Other Name: Module Assembly-Communication Interface (W/Mobile Telephone Transceiver); Module; Module, Mobile Telephone Radio
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010 Buick LaCrosse | CX, CXL, CXS | 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L GAS

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Buick LaCrosse Body Control Module

Want to cut long-term maintenance and repair costs? Choose OEM Body Control Module. Those parts deliver top durability you can trust. On our site, you'll find a huge catalog of genuine Buick LaCrosse parts. Prices are unbeatable, so you can keep more in your pocket. Every OEM Buick LaCrosse Body Control Module includes a manufacturer's warranty. You can also get an easy return policy that keeps buying risk free. Fast delivery, get your car on the road quickly. It's simple to search, compare, and order. Stop guessing about quality or fit. Order today and save with parts that last.

Correspondingly, one of the most vital components of the Buick LaCrosse electrical system is the Buick LaCrosse Body Control Module (BCM), which is considered as highly reliable and effective. This high level Body Control Module coordinates fundamental functionalities like comfort, illumination and entry/starting systems for the Buick LaCrosse to run smoothly. Through controlling these features the BCM raises general effectiveness and safety, which is explained by the fact of its inclusion in the range of equipment of various LaCrosse models, the first and the second generation of which have been manufactured since 2004. The BCM is aware of other computers in the car and coordinates well with other computers in the vehicle bus thus enables it to control current loads and call for relays for functions such as locking the doors and control of interior lights. This kind of organization also makes the process of driving easier and, at the same time, benefits the Buick LaCrosse performance. Such details of the Body Control Module add more importance to its aspect in cutting down the fuel consumption but keeping the engine tough enough by working in conjunction with eAssist hybrid system design. The Antagonist: Buick LaCrosse With Its Design and Modern Equipment Has Already Targeted The Young People While The Body Control Module Is At The Heart Of It. The Buick LaCrosse Body Control Module in the auto-market is noteworthy for its reliability, so that the driver can have not only a safe, but also comfortable and fuel-efficient trip.

Buick LaCrosse Body Control Module Parts and Q&A

Module
15234006
Q: How to replace the Body Control Module (BCM) on Buick LaCrosse?
A:
Take proper steps to fight electrostatic discharge (ESD) before you start replacing the Body Control Module (BCM). Take out the left instrument panel outer trim first and use a press to release the cam lock. Disconnect the upper electrical connector from the BCM. First disconnect the knee bolster before taking out the left I/P insulator. Following this press the cam lock to take off both lower BCM electrical connectors. Take the BCM bracket screws out and remove the BCM and bracket from their I/P position to split them apart. Before mounting, place the BCM on the BCM bracket then install the unit into its original position by tightening its screws to 2 N.m (18 lb in). Secure the lower BCM electrical connectors using the cam lock before putting back the knee bolster and left I/P insulator. Connect the BCM's upper electric socket and fix it with the cam lock before installing the left I/P panel. Complete the new BCM installation process according to necessary specifications.