Restore Your Vehicle’s Electronic Systems with a Plug-and-Play Solution
Are you battling strange and frustrating electrical issues in your 2008-2012 Buick Enclave or another compatible GM vehicle? Flickering interior lights, power windows with a mind of their own, or security system faults can often be traced back to a single, critical component: a failing Body Control Module (BCM). As the central command center for your vehicle’s body electronics, a faulty BCM can cause a cascade of problems that are difficult to diagnose. This isn’t just an inconvenience; it can affect vehicle security and safety systems.
This replacement Body Control Module, part number 15948439, is the reliable, straightforward fix you need. We take the guesswork and high dealership costs out of the equation. By providing us with your vehicle’s VIN at checkout, we will program the module with the latest GM software specific to your vehicle’s options. This means it arrives at your door ready for installation, eliminating the need for expensive programming tools or a trip to the dealer. Get your vehicle’s comfort and convenience features working like new again.
A Technician’s Notebook
I once had a 2011 Acadia in the shop that was driving its owner crazy. The radio would randomly shut off, the dome lights would stay on, and the key fob worked intermittently. The customer had already replaced the battery and checked all the fuses. After connecting my scan tool, I noticed several ‘Loss of Communication’ codes (U-codes) pointing to the BCM. These modules are the traffic cops for so many systems, and when they start to fail internally, they send confusing signals everywhere. Swapping in a pre-programmed BCM like this one resolved all the issues in under an hour. It’s a common failure point I’ve seen on hundreds of these GM platforms.
Is Your Vehicle Showing These Symptoms?
- ✔ Power windows, door locks, or mirrors operating erratically or not at all.
- ✔ Interior or exterior lights flickering, staying on, or not turning on.
- ✔ The security system or alarm malfunctioning or falsely triggering.
- ✔ The key fob failing to lock or unlock the doors consistently.
- ✔ Warning lights on the dash for systems controlled by the BCM (e.g., tire pressure, security).
- ✔ Diagnostic Trouble Codes (DTCs) related to communication errors, such as U0140, U0155, or B1001.
The Advantage of Our Cloning Service
Our specialized cloning service is designed to make your repair as simple as possible. We transfer the critical data from your original BCM to this replacement unit. This process ensures that all your vehicle’s specific settings, including key fob information and security parameters, are retained. After the service, we ship both your original module and the ready-to-install replacement back to you. There is no core charge, and you get to keep your original part. This is the most efficient method for getting your 2008-2012 Enclave BCM replaced without any complex relearn procedures at a dealership.
A Straightforward Guide to BCM Installation
- ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery before beginning any work on electrical components.
- ✔ Locate the BCM: On the Buick Enclave, Acadia, and Traverse, the BCM is typically located on the left (driver’s) side of the dashboard, often behind the lower dash panel near the steering column. For vans like the Express/Savana, it’s usually in the center dash.
- ✔ Remove Trim Panels: Carefully remove any plastic trim or panels necessary to access the module. These are usually held by clips or a few small screws.
- ✔ Disconnect and Remove: Unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Then, unbolt the module from its mounting bracket.
- ✔ Install the New Module: Mount the new, pre-programmed BCM in the same location and securely reconnect all electrical connectors. You should hear a ‘click’ as they lock into place.
Post-Installation Note: In some cases, additional steps may be required. If your airbag light is on, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. Similarly, a ‘Brake Pedal Position Relearn’ might be necessary. Always refer to a service manual for vehicle-specific details.
Guaranteed Vehicle Compatibility
This Body Control Module is a direct replacement for a wide range of General Motors vehicles and interchanges with numerous part numbers, ensuring a perfect match. Please verify your vehicle is on this list and that the part number matches one of the following:
Part Numbers: 10382479, 15093910, 15276271, 15299986, 15819552, 15828601, 15837419, 15872388, 15872421, 15880684, 15921352, 15921353, 15948438, 15948439, 20815898, 20839063, 20864767, 20864768, 20921435, 20921436, 20935349, 22860591, 25826124, 25826125, 25847588, 25847589, 25892622, 25910474, 25934762, 25934763, 95151084
Compatible Models Include (but not limited to):
- Buick: Enclave (2008-2012), Lucerne (2006-2011)
- Cadillac: CTS (2008-2013), DTS (2006-2011), Escalade/ESV/EXT (2010), SRX (2007-2009), STS (2010)
- Chevrolet: Avalanche (2010), Caprice (2011-2013), Captiva Sport (2012), Equinox (2007-2009), Express Van (2008-2012), Impala (2006-2013), Monte Carlo (2006-2007), Suburban (2010), Tahoe (2010), Traverse (2009-2012)
- GMC: Acadia (2007-2012), Savana Van (2008-2012), Yukon / Yukon XL (2010)
- Hummer: H2 (2008-2009)
- Pontiac: G8 (2008-2009), Torrent (2007-2009)
- Saturn: Outlook (2007-2010), Vue (2008-2010)
Note: Location and specific options can vary. Please confirm your vehicle’s details before ordering. Our team is here to help if you have any questions about fitment.
Frequently Asked Questions
Do I need to do any programming myself?
No. Our cloning service means the module arrives ready for installation. We handle all the necessary programming using your vehicle’s VIN before we ship it to you.
What is the ‘cloning service’ process?
After purchase, you will send us your original BCM. We transfer its unique data to the replacement unit and then send both modules back to you. This ensures seamless compatibility.
Do I need to return my old BCM as a core?
You will need to send us your original BCM for the data transfer, but it is always returned to you along with the programmed replacement. We do not keep your original part.
What if my airbag light comes on after installation?
This is uncommon, but if it happens, it means the BCM and the airbag module (SDM) need to be re-synced. This requires a professional scan tool to perform the ‘Setup SDM Primary Key in BCM’ procedure.
Is this a guaranteed fix for my vehicle’s electrical problems?
While a faulty BCM is a very common cause for the symptoms listed, proper diagnosis is key. We recommend confirming the BCM is the source of the issue before purchasing. A professional mechanic can help verify this.
How do I provide my VIN?
After you complete your purchase, we will provide instructions for sending us your VIN and your original module for the cloning service.