Pre-programmed 2007-2012 Acadia Body Control Module, part 25826124. This BCM with cloning service fixes electrical issues like faulty lights and power windows.

2008-2012 Enclave Body Control Module 20921435 | Programmed to Your VIN

Fix Annoying Electrical Gremlins

Tired of erratic windows, locks, and dashboard lights in your Buick Enclave? This Body Control Module (BCM) is the permanent fix. It arrives pre-programmed specifically for your vehicle’s VIN, eliminating the need for a costly dealership visit. Restore your car’s functionality and peace of mind with this direct-fit, easy-to-install solution. Order today to get your vehicle back to 100%!

$224.95

+11.99 USPS Priority Shipping

Availability: In stock

SKU: 591-01465-871 Categories: GM, Body Control Module (BCM)

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Description
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Restore Your Buick Enclave’s Electrical System with a Plug-and-Play Solution

Are you dealing with baffling electrical issues in your 2008-2012 Buick Enclave? Flickering lights, power windows with a mind of their own, or a dashboard that lights up with random warnings can be incredibly frustrating. More often than not, the culprit is a failing Body Control Module (BCM). As the central computer for your vehicle’s comfort and convenience features, when the BCM starts to fail, it can create a cascade of confusing problems. This replacement Body Control Module, part number 20921435, is the reliable, cost-effective solution you need. We pre-program it to your vehicle’s specific VIN, ensuring it arrives ready for installation with the latest GM software updates. This eliminates the need for an expensive trip to the dealership for programming.

Case Study: A Tricky Diagnosis

I remember a 2011 Enclave that came into my shop with a laundry list of complaints from the owner. The radio would turn off randomly, the driver’s side window wouldn’t go down, and the “Service Stabilitrak” light was on. The owner had already replaced the window switch and checked fuses with no luck. After connecting my scan tool, I found a slew of communication error codes (U-codes) pointing to a network issue. This is a classic BCM failure signature. The internal processors fail, disrupting communication between the various modules. We installed a VIN-programmed BCM, and like magic, all the phantom electrical issues were resolved instantly. It’s a fix I’ve performed hundreds of times on these GM platforms.

Is Your Enclave Showing These Symptoms?

A faulty BCM can manifest in many ways. If you’re experiencing any of the following, it’s a strong indicator that your Body Control Module needs replacement:

✔ Erratic power window or power lock operation
✔ Interior or exterior lights not working correctly or staying on
✔ The security system preventing the vehicle from starting
✔ Dashboard warning lights (like Airbag, ABS, or Stabilitrak) illuminating for no reason
✔ Communication-related Diagnostic Trouble Codes (DTCs), especially U-codes (e.g., U0100, U0140)
✔ Horn, wipers, or other accessories working intermittently or not at all

A Straightforward Guide to Your BCM Installation

Replacing the BCM on your Enclave is a manageable job for a DIYer with basic tools. The module is typically located in the driver’s side of the dashboard. Follow these general steps for a successful installation:

Safety First: Disconnect the negative terminal from your vehicle’s battery and wait a few minutes for the system to fully discharge.
Locate the BCM: On the 2008-2012 Enclave, the BCM is found on the left-hand side of the dash, often behind the lower dash panel near the steering column.
Remove Trim Panels: Carefully remove any plastic trim panels necessary to access the module.
Disconnect and Remove: 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 BCM: Mount your new, pre-programmed BCM and securely reconnect all the electrical connectors. You should hear a click as they lock into place.
Reconnect Battery: Re-install the trim panels and reconnect the negative battery terminal.
Perform Final Checks: Start the vehicle and test all body functions—windows, locks, lights, wipers, etc. Note the post-installation procedures below, as they may be required.

Important Post-Installation Steps

After installing your new BCM, a couple of additional relearn procedures may be necessary depending on your specific vehicle. These ensure all related systems communicate correctly with the new module.

✔ Airbag System Sync: If your airbag warning light is on after the swap, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the airbag system with the new BCM.
✔ Brake Pedal Position Relearn: To ensure proper brake light and traction control function, a brake pedal position sensor recalibration might be required.

Verified Vehicle Compatibility

This module is a direct replacement for a wide range of GM vehicles and supersedes numerous older part numbers, ensuring you get the most updated and reliable component available. Please verify your vehicle is on the list below. This part replaces: 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.

Fitment Includes (but not limited to):

Buick Enclave (2008-2012)
GMC Acadia (2007-2012)
Chevrolet Traverse (2009-2012)
Saturn Outlook (2007-2010)
Chevrolet Impala (2006-2012)
Cadillac DTS (2006-2011)
Chevrolet Express & GMC Savana Vans (Various Years)
Chevrolet Tahoe, Suburban, Avalanche (2010 with specific IDs)
GMC Yukon / Yukon XL (2010 with specific IDs)
Cadillac Escalade / ESV / EXT (2010 with specific IDs)
And many more. Please check the detailed fitment list or contact us with your VIN.