Restore Your Enclave’s Electrical Stability
Are you battling bizarre electrical problems in your 2008-2012 Buick Enclave? Flickering dash lights, malfunctioning power windows, or a security system that has a mind of its own are all classic signs of a failing Body Control Module (BCM). The BCM is the central command center for your vehicle’s comfort and convenience features. When it fails, it can create a cascade of frustrating and seemingly unrelated issues. This isn’t just an inconvenience; it can affect vehicle security and safety systems.
This is a direct-fit replacement Body Control Module, part number 25826125, which arrives at your door fully programmed to your vehicle’s specific VIN. We handle all the complex programming work before we ship, loading the latest GM software updates. This means you can bypass the expensive trip to the dealership for programming, saving you significant time and money. Simply provide your VIN at checkout, and we’ll deliver a module that’s ready for installation.
A Technician’s Notebook: The Water Intrusion Problem
In my 20+ years in the bay, I’ve seen countless BCM failures on the GM Lambda platform (Enclave, Acadia, Traverse). One of the most common culprits is water intrusion. A clogged sunroof drain or a leaking windshield seal can allow water to drip down the A-pillar and right onto the BCM, which is typically located on the left side of the dash. The initial symptoms might be minor—an intermittent radio issue or a dome light that won’t turn off. Over time, this moisture corrodes the circuit board, leading to complete failure. Before installing a new module, I always recommend checking for signs of water leaks to prevent a repeat failure. It’s a five-minute check that can save you from doing the job twice.
Common Signs of a Failing BCM
- ✔ Unpredictable instrument cluster behavior (gauges dropping, lights flashing)
- ✔ Power windows, door locks, or mirrors not working correctly
- ✔ Interior or exterior lights staying on or not turning on at all
- ✔ Vehicle security system faults or false alarms
- ✔ Erratic windshield wiper operation
- ✔ Remote keyless entry failure
- ✔ Communication-related Diagnostic Trouble Codes (DTCs) such as U0140, U0155, or other “U” codes.
A Straightforward Guide to Installation
Installing your new 2008-2012 Enclave BCM is a manageable job for a confident DIYer. While specific steps can vary slightly, here is a general guide for the Buick Enclave.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes to ensure all systems are powered down.
- Locate the BCM: On the Enclave, the Body Control Module is typically located under the driver’s side of the dashboard, to the left of the steering column. You may need to remove a lower dash panel for access.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt the module from its mounting bracket.
- Install the New Module: Mount the new, pre-programmed BCM in the same location and securely fasten it. Reconnect all the electrical connectors, ensuring they click firmly into place.
- Final Steps: Re-install any trim panels you removed and reconnect the negative battery terminal. Start the vehicle and test all body functions (lights, windows, locks, etc.).
Important Post-Installation Notes
Because this module is central to many systems, a couple of additional steps, known as relearn procedures, may be required after installation:
- 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. This is only required if the light is on.
- Brake Pedal Position Relearn: Some models may require a brake pedal position sensor recalibration to ensure correct brake light and traction control operation.
Will This Fit My Vehicle?
This BCM is a guaranteed fit for the 2008-2012 Buick Enclave and also serves as a direct replacement for a wide range of other GM vehicles. It 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, and 95151084. Please verify compatibility with the list below.
AVALANCHE 1500 10
CAPRICE 11-13
CAPTIVA SPORT 12
CTS 08-13
DTS 06-11
ENCLAVE 08-12
EQUINOX 07-09
ESCALADE 10
ESCALADE ESV 10
ESCALADE EXT 10
EXPRESS 1500 VAN 08-12
EXPRESS 2500 VAN 08-12
EXPRESS 3500 VAN 08-12
G8 08-09
HUMMER H2 08-09
IMPALA 06-13
LUCERNE 06-11
MONTE CARLO 06-07
OUTLOOK 07-10
SAVANA 1500 VAN 08-12
SAVANA 2500 VAN 08-12
SAVANA 3500 VAN 08-12
SRX 07-09
STS 10
SUBURBAN 1500 10
TAHOE 10
TORRENT 07-09
TRAVERSE 09-12
VUE 08-10
YUKON 10
YUKON XL 1500 10
Frequently Asked Questions
Do I need to get this BCM programmed by a dealer?
No. We program the module to your vehicle’s VIN before shipping. It arrives ready to be installed, saving you the time and expense of a dealership visit for programming.
What does a Body Control Module (BCM) do?
The BCM is a computer that manages many of your vehicle’s non-engine-related functions. This includes power windows, power locks, the security system, interior and exterior lighting, wipers, and other comfort and convenience features.
Where is the BCM located on my 2009 Buick Enclave?
On the 2008-2012 Buick Enclave, the BCM is typically found under the driver’s side dashboard, to the left of the steering column. You will likely need to remove the lower dash kick panel to access it.
Is there a core charge for this part?
No, there is no core charge. You can keep your old module, so you don’t have to worry about the cost or hassle of sending it back.
What if my airbag light is on after I install the new BCM?
This can happen occasionally. It means the new BCM needs to be electronically ‘introduced’ to the airbag system’s computer (SDM). This procedure, called ‘Setup SDM Primary Key in BCM’, requires a professional-grade scan tool to complete and will resolve the issue.