Restore Full Electrical Function to Your Buick Enclave
Are you experiencing frustrating electrical issues in your 2008-2012 Buick Enclave? Symptoms like flickering lights, malfunctioning power windows and locks, a persistent security system warning, or even a no-start condition often point to a single culprit: a failing Body Control Module (BCM). The BCM acts as the central nervous system for your vehicle’s comfort and convenience features. When it fails, it can cause a wide range of confusing and unpredictable problems. This direct-fit BCM, part number 20839063, is the reliable solution to get your vehicle back in perfect working order.
From the Diagnostic Bay
We recently had a 2011 Enclave come in with a classic case of BCM failure. The owner was frustrated, explaining that the key fob worked intermittently, the radio would sometimes not turn on, and the “Service Security System” light was on. They had already replaced the battery and checked fuses with no luck. After a quick scan, we confirmed communication errors with the BCM. By installing a VIN-programmed module like this one, we resolved all the issues in one go, saving the customer from further diagnostic headaches and unnecessary parts expenses.
Common Failure Symptoms
- ✔ Erratic or non-functional power windows, door locks, or mirrors.
- ✔ Interior dome lights or exterior lamps staying on or not working at all.
- ✔ “Service Security System” or other warning messages on the instrument cluster.
- ✔ Intermittent no-start or crank-no-start conditions.
- ✔ Key fobs failing to lock or unlock the doors.
- ✔ Unresponsive climate control (HVAC) functions.
- ✔ Horn sounding unexpectedly or not working.
Why Choose Our VIN-Programmed 2008-2012 Enclave BCM?
Replacing a BCM isn’t just about swapping hardware. A new module must be programmed with your vehicle’s specific Vehicle Identification Number (VIN) and factory software to communicate with other onboard computers. Our service eliminates this costly and time-consuming step. We flash the module with the latest GM software updates using your VIN before it ships. This ensures that when you receive the part, it’s ready for a straightforward installation, saving you a trip to the dealership and expensive programming fees. It’s a true plug-and-play solution for most vehicle functions.
Post-Installation Requirements
While this module is programmed for your vehicle, certain safety and security systems may require a simple relearn procedure after installation. This is a standard part of the repair process for many modern vehicles.
- 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.
Always consult a factory service manual or a qualified technician if you are unsure about any part of the installation or relearn process.
Guaranteed Fitment
This BCM is a direct replacement for a wide range of GM vehicles. Please verify your original part number against the list below to ensure compatibility.
Replaces 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
Frequently Asked Questions
Do I need to have this BCM programmed by a dealer?
No. We handle the programming for you. Simply provide us with your vehicle’s VIN during or after checkout, and we will flash the module with the correct software before shipping. This makes the installation process much simpler.
Where is the BCM located on a 2008-2012 Buick Enclave?
On the Buick Enclave, GMC Acadia, and Chevy Traverse from these years, the BCM is typically located behind the dashboard on the driver’s side, to the left of the steering column.
Is this a difficult part to replace myself?
For someone with moderate DIY mechanical skill, the replacement is manageable. It involves removing some lower dash panels for access. The most important part is disconnecting the vehicle’s battery before you begin.
What happens if my airbag light is on after I install it?
This is a normal possibility. The new BCM needs to be synced with the airbag’s computer (SDM). A procedure called “Setup SDM Primary Key in BCM” must be performed with a professional-grade scan tool to resolve this.
How do I provide my VIN?
After you complete your purchase, you will receive instructions on how to send us your 17-digit VIN. We cannot program and ship your module without it.