If your 2008-2012 Buick Enclave is starting to act haunted—with flickering lights, malfunctioning power windows or locks, or a security system that has a mind of its own—the culprit is often a failing Body Control Module (BCM). As the central nervous system for your vehicle’s comfort and convenience features, a faulty BCM can cause a cascade of frustrating and seemingly unrelated electrical problems. This isn’t just an annoyance; it can impact vehicle security and safety. Stop chasing electrical gremlins and get the definitive, reliable solution.
We offer a genuine GM Body Control Module, part number 15299986, that arrives at your door fully programmed to your vehicle’s specific VIN. This means no expensive trips to the dealership for programming. Simply provide us with your VIN after purchase, and our technicians will flash the module with the latest GM software updates, ensuring perfect integration and performance right out of the box. This is the most efficient way to restore your Enclave’s full functionality.
A Technician’s Notebook: The Case of the Erratic Enclave
I remember a customer bringing in an ’11 Enclave with a list of complaints a mile long. The dome lights would stay on, the driver’s window wouldn’t go down, and the remote key fob worked intermittently. They had already replaced the battery and a window switch with no luck. After connecting my scan tool, I saw multiple U-codes (communication errors) pointing to the BCM. A failing BCM can’t properly talk to other modules, causing these exact ghost-like issues. We installed a VIN-programmed BCM, and in under an hour, every single issue was resolved. The customer was thrilled to have their luxury SUV back to normal without a massive dealership bill.
Is Your Vehicle Showing These Symptoms?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, a replacement is likely needed:
- ✔ Erratic or non-functional interior and exterior lights (headlights, taillights, dome lights)
- ✔ Power windows, door locks, or mirrors not working correctly
- ✔ The security system or keyless entry failing intermittently
- ✔ Warning lights on the dashboard, such as the airbag or security light
- ✔ Communication error codes (U-codes) stored in the system
- ✔ Unexplained battery drain that leaves you with a dead battery
Your Straightforward BCM Installation Guide
Installing your new BCM is a manageable job for a confident DIYer. For the 2008-2012 Enclave, the BCM is typically located behind the lower left-hand side of the dashboard.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before working on any electrical components.
- Access the Module: You will likely need to remove the lower dash panel beneath the steering column to gain access to the BCM.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. Note their orientation. Then, unbolt or unclip the module from its mounting bracket.
- Install the New BCM: Mount your new, pre-programmed BCM in the same location and securely reconnect all electrical connectors.
- Final Steps: Re-install the dash panel and reconnect the negative battery terminal. Start the vehicle and test all functions (lights, locks, windows, etc.).
Important Post-Installation Information
While our programming handles the heavy lifting, some vehicles may require additional relearn procedures after installation. This is normal. Please be aware of the following possibilities:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a professional scan tool is needed to perform the “Setup SDM Primary Key in BCM” procedure. This syncs the new BCM with the airbag system.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration may be necessary to ensure proper brake light and traction control operation.
Disclaimer: Procedures can vary. Always consult a factory service manual or a qualified technician for vehicle-specific guidance.
Verified Fitment Across GM Models
This BCM is a direct replacement for a wide range of GM vehicles. Please confirm your part number or vehicle in the list below. This module replaces 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.
Fits Models Including:
Acadia (07-12), Avalanche 1500 (10), Caprice (11-13), Captiva Sport (12), CTS (08-13), DTS (06-11), Enclave (08-12), Equinox (07-09), Express/Savana Vans (08-12), G8 (08-09), Hummer H2 (08-09), Impala (06-13), Lucerne (06-11), Monte Carlo (06-07), Outlook (07-10), SRX (07-09), STS (10), Suburban/Tahoe/Yukon (10), Torrent (07-09), Traverse (09-12), Vue (08-10) and more. Please verify the location and ID number as specified in the fitment data.
Frequently Asked Questions
Frequently Asked Questions
Why do you need my VIN number?
Your Vehicle Identification Number (VIN) allows us to program the Body Control Module with the exact software and settings for your Enclave’s specific options. This ensures it works correctly right out of the box, saving you a trip to the dealer.
Is this part difficult to install myself?
For someone with basic mechanical skills and tools, it’s a very manageable job. The main challenge is accessing the module’s location under the dashboard. Our pre-programming eliminates the most difficult step, which is the software setup.
What happens if the airbag light comes on after I install it?
This is a known possibility. It means the new BCM needs to be electronically ‘introduced’ to the airbag module (SDM). This requires a professional-grade scan tool to perform the ‘Setup SDM Primary Key’ function. Most independent repair shops can perform this service.
Is there a core charge for this part?
No, there is absolutely no core charge. You can keep your old module, so there’s no need to worry about packaging and shipping it back to us.