Restore Full Electronic Control to Your GM Vehicle
Are you chasing down bizarre electrical issues in your 2008-2012 Buick Enclave? Flickering lights, malfunctioning power windows, or random warning chimes can be incredibly frustrating. These aren’t just annoyances; they’re classic signs of a failing Body Control Module (BCM). The BCM is the central command center for your vehicle’s body electronics, and when it falters, it can create a cascade of confusing problems. This replacement BCM is your direct, reliable solution, arriving pre-programmed to your vehicle’s specific VIN. This eliminates the need for expensive dealership programming, getting you back on the road faster and with less hassle.
As a technician with over two decades of experience, I’ve seen how a faulty BCM can make a perfectly good car feel unreliable. We take the guesswork out of the repair. Simply provide your VIN at checkout, and our experts will flash this module with the latest GM software for your exact vehicle configuration. It’s a plug-and-play fix designed for both seasoned mechanics and determined DIYers.
Common Signs of a Failing BCM
If you’re experiencing any of the following, a faulty BCM is the likely culprit. A failing module can also trigger various Diagnostic Trouble Codes (DTCs), most commonly communication errors (U-codes).
- ✔ Power windows, door locks, or mirrors operating intermittently or not at all.
- ✔ Interior or exterior lights flickering, staying on, or not turning on.
- ✔ The anti-theft or security system acting up, preventing the car from starting.
- ✔ False warnings on the instrument cluster (e.g., ‘Service Airbag’ light).
- ✔ Unresponsive key fob or remote start functions.
- ✔ Communication DTCs like U0140, U0155, or other U-codes indicating loss of communication with the BCM.
A Straightforward Guide to BCM Installation
Replacing the BCM in your Enclave is a manageable job for a DIYer with basic tools. The module is typically located on the driver’s side, under the dashboard.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes before starting work.
- Locate the Module: On the 2008-2012 Enclave, the BCM is mounted to the left of the steering column, often behind a lower dash panel.
- Disconnect and Remove: Carefully unplug the electrical connectors. They have locking tabs that need to be depressed. Once disconnected, unbolt the module from its bracket.
- Install the New BCM: Mount the new, pre-programmed BCM in the same location and securely reconnect all electrical connectors.
- Reconnect Battery: Reattach the negative battery terminal.
- Post-Install Checks: Start the vehicle and test all body functions—lights, locks, windows, etc. Note that some vehicles may require additional procedures as outlined below.
Important Post-Installation Information
While our VIN programming handles the majority of the setup, some GM security and safety systems may require a ‘handshake’ with the new BCM. This is normal.
- Airbag System Sync: If the airbag warning light is on after installation, a ‘Setup SDM Primary Key in BCM’ procedure is needed. This requires a professional-grade scan tool to sync the modules and clear the light.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be necessary to ensure correct brake light and traction control operation.
- No Core Charge: You are not required to return your old BCM. There is no core charge or deposit associated with this purchase.
Verified Vehicle Compatibility
This BCM is a direct replacement for a wide range of GM vehicles. It is compatible with 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 your vehicle is on the list below.
- Acadia 2007-2012
- Avalanche 1500 2010
- Caprice 2011-2013
- Captiva Sport 2012
- CTS 2008-2013
- DTS 2006-2011
- Enclave 2008-2012
- Equinox 2007-2009
- Escalade / ESV / EXT 2010
- Express Vans (1500/2500/3500) 2008-2012
- G8 2008-2009
- Hummer H2 2008-2009
- Impala 2006-2013
- Lucerne 2006-2011
- Monte Carlo 2006-2007
- Outlook 2007-2010
- Savana Vans (1500/2500/3500) 2008-2012
- SRX 2007-2009
- STS 2010
- Suburban 1500 2010
- Tahoe 2010
- Torrent 2007-2009
- Traverse 2009-2012
- Vue 2008-2010
- Yukon / Yukon XL 1500 2010
Frequently Asked Questions
What exactly does ‘programmed to my VIN’ mean?
It means we load the specific software and settings from GM that match your vehicle’s factory options. This ensures all features your Enclave came with will work correctly with the new BCM, saving you a trip to the dealer for programming.
Do I have to send my old BCM back?
No. This purchase does not require you to return your original module. There is no core charge or deposit, so you can keep your old part.
Will I need a special scan tool after I install this?
In most cases, no. However, as noted, if your airbag light comes on, a professional scan tool will be needed to perform the ‘Setup SDM Primary Key’ procedure. This is a security handshake between the modules and is a normal possibility.
Where is the BCM located on my 2011 Buick Enclave?
The BCM is located under the driver’s side of the dashboard, typically to the left of the steering column. You may need to remove a lower dash panel to access it.
What if this part doesn’t fix my problem?
We recommend confirming your diagnosis before ordering. A failing BCM has very distinct symptoms, but other issues can sometimes seem similar. If you are unsure, it is always best to consult with a qualified professional mechanic for an accurate diagnosis.