Restore Your Buick’s Electrical System with a Perfectly Matched BCM
Are you dealing with frustrating electrical issues in your 2008-2012 Buick Enclave? Flickering lights, malfunctioning power windows, or strange warning messages on the dash are often signs of a failing Body Control Module (BCM). As the central hub for your vehicle’s comfort and convenience features, a faulty BCM can cause a wide range of baffling problems. This isn’t just an inconvenience; it can affect vehicle security and safety systems. This listing offers a dependable, streamlined solution to get your Enclave operating correctly again.
We provide a quality replacement BCM that includes a professional cloning service. This is the key to a successful and hassle-free repair. Instead of just shipping you a generic module that requires expensive dealership programming, we transfer the exact data from your original BCM to this replacement unit. This process ensures all your vehicle’s specific options, key information, and security settings are preserved. The result is a true plug-and-play module, saving you time, money, and the headache of a trip to the service center. Simply send us your original module, and we’ll send it back to you along with the ready-to-install replacement.
Is Your Enclave Showing These Electrical Gremlins?
- ✔ Intermittent or non-working power windows, door locks, or interior lights.
- ✔ The security or anti-theft light stays on, preventing the engine from starting.
- ✔ Erratic instrument cluster behavior, such as gauges dropping to zero or warning lights flashing randomly.
- ✔ Communication failure Diagnostic Trouble Codes (DTCs), such as U0140, U0155, or other ‘U’ codes.
- ✔ Horn honking unexpectedly or not working at all.
- ✔ A persistent battery drain that leaves you with a dead battery overnight.
From the Diagnostic Bay: The Case of the Phantom Battery Drain
A customer brought in a 2011 Enclave with a classic, frustrating problem: a dead battery every morning. They had already replaced the battery and alternator, but the issue persisted. In my shop, we started a parasitic draw test and found a significant current being pulled even after the vehicle was off for 30 minutes. After methodically pulling fuses, we isolated the circuit to the BCM. The module wasn’t ‘going to sleep’ properly, keeping other systems active and draining the battery. We confirmed the diagnosis by temporarily swapping in a known-good BCM, which immediately resolved the draw. This is a common failure mode I’ve seen dozens of times on these platforms; the internal relays or processors fail, turning the BCM into an energy vampire. A cloned replacement like this one is the definitive fix.
Your Straightforward BCM Installation Guide
Installing your cloned 2008-2012 Enclave BCM is a manageable task for a confident DIYer. The BCM is typically located on the left (driver’s) side of the dashboard, often behind the lower dash panel near the steering column.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait at least 10 minutes before starting any work on electrical components.
- Access the Module: You will likely need to remove the lower dash trim panel below the steering wheel to gain access to the BCM. This is usually held in by a few clips and screws.
- Identify the BCM: Locate the module. It will have several large multi-pin electrical connectors attached to it. Take a photo with your phone before disconnecting anything to ensure you remember where each connector goes.
- Disconnect and Remove: Carefully release the locking tabs on each electrical connector and pull them straight out. Then, unbolt or unclip the BCM from its mounting bracket and remove it from the vehicle.
- Install the New Module: Mount your new, cloned BCM in the same location. Reconnect all electrical connectors firmly until they click into place.
- Final Steps: Reinstall the dash trim panel and reconnect the negative battery terminal. Start the vehicle and test all body functions—lights, windows, locks, wipers, etc.—to confirm the repair was successful.
Important Post-Installation Note: In some cases, additional vehicle-specific relearn procedures may be necessary. For example, if the airbag light is on, a ‘Setup SDM Primary Key’ procedure may be needed with a pro-level scan tool. A ‘Brake Pedal Position Relearn’ might also be required. Always consult a service manual for your specific vehicle if you encounter any issues.
Confirmed Vehicle Compatibility
This Body Control Module is a direct fit for the 2008-2012 Buick Enclave. It is also compatible with a vast range of other GM cars, trucks, and SUVs that use the same BCM platform. Please verify that your original module’s part number is on the list below to ensure perfect compatibility.
Interchangeable 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
Common Applications Include: Acadia (07-12), Traverse (09-12), Equinox (07-09), Impala (06-12), Tahoe/Yukon/Suburban/Escalade (10, check ID), Express/Savana Vans (08-12), and many more. Always match your part number for guaranteed fitment.
Frequently Asked Questions
How does the cloning service work?
After you purchase, you will send us your original BCM. Our technicians will use specialized equipment to extract the unique vehicle data and security information from your module and transfer it directly to the replacement unit. This ensures a seamless, plug-and-play installation without needing a trip to the dealer for programming.
Do I get my original BCM back?
Yes. We always return your original module along with the newly programmed replacement unit. We do not keep your original part.
What is a BCM and what does it do?
The Body Control Module (BCM) is a computer in your vehicle that controls and monitors a wide variety of electronic accessories not related to the engine. This includes power windows, power mirrors, air conditioning, interior lighting, central locking, and the anti-theft system.
Will I need to perform any other procedures after installation?
In most cases, no. Because this is a clone of your original module, it should be plug-and-play. However, on rare occasions, a vehicle may require a relearn procedure, such as for the airbag system or brake pedal position sensor, which would require a professional diagnostic tool.
How do I find the part number on my old BCM?
The part number is printed on a sticker affixed directly to the BCM’s housing. You will need to physically access the module, typically located under the driver’s side dashboard, to read this number.