Restore Your Buick’s Functionality with a Pre-Programmed BCM
Is your 2006-2011 Buick Lucerne acting possessed? Flickering interior lights, a security system that won’t cooperate, or power windows with a mind of their own are all classic signs of a failing Body Control Module (BCM). As the central computer for your car’s comfort and convenience features, a faulty BCM can cause a cascade of frustrating electrical problems. This isn’t just an annoyance; it can affect vehicle security and drivability. This replacement BCM is your direct, reliable solution.
We take the guesswork and high costs out of the repair with our professional cloning service. Simply send us your original BCM, and we will transfer all of its critical data—including your VIN, security information, and specific options—to this replacement unit. The module you receive back will be a true plug-and-play component, eliminating the need for an expensive trip to the dealership for programming. It’s the most efficient way to get your Lucerne back to normal.
A Technician’s Notebook: The Case of the Erratic Lucerne
I remember a 2008 Lucerne that came into the shop with a laundry list of bizarre symptoms. The owner said the radio would cut out, the power locks would cycle randomly while driving, and the “Service Security System” light was on. A scan tool showed a host of communication errors (U-codes) pointing to the BCM. After confirming power and grounds were good, we identified the internal failure of the original module. Instead of a costly dealer replacement and programming session, we used a cloned BCM. The installation took less than 30 minutes, and every single electrical gremlin was gone. The customer was thrilled to have their car back, fully functional, for a fraction of the expected cost.
Is Your Buick Showing These Symptoms?
- ✔ Intermittent or non-functional power windows, locks, or mirrors
- ✔ Erratic interior or exterior lighting behavior
- ✔ Instrument cluster gauges dropping out or acting strangely
- ✔ “Service Security System” or other warnings on the dash
- ✔ Communication DTCs (Diagnostic Trouble Codes) like U0140, U0155, or other U-series codes
- ✔ Remote keyless entry (RKE) not working
- ✔ No-start condition due to security system malfunction
A Straightforward Guide to Installation
- ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- ✔ Locate the BCM: On the 2006-2011 Buick Lucerne, the Body Control Module is typically located behind the right side of the dashboard, accessible after removing the glove box assembly.
- ✔ Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. Pay attention to the locking tabs to avoid damage. Once disconnected, remove any bolts or screws holding the module in place.
- ✔ Install the New Module: Mount your new, pre-programmed BCM in the same location and secure it. Reconnect all electrical connectors, ensuring they click firmly into place.
- ✔ Reconnect and Test: Reinstall the glove box, then reconnect the negative battery terminal. Start the vehicle and test all body functions—lights, windows, locks, radio, etc.—to confirm the repair.
- ✔ Address Post-Install Warnings: If an airbag light appears, a professional scan tool is needed for the “Setup SDM Primary Key in BCM” procedure. Similarly, a brake pedal position relearn may be required on some models.
Guaranteed Fitment for Your Vehicle
This BCM is a direct replacement for a wide range of GM vehicles and part numbers. Please verify your vehicle is on this list. This module 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.
Primary Fitment: Buick Lucerne (2006-2011)
This part also fits many other GM models including Acadia, Avalanche, Caprice, Captiva Sport, CTS, DTS, Enclave, Equinox, Escalade, Express, G8, Hummer H2, Impala, Monte Carlo, Outlook, Savana, SRX, STS, Suburban, Tahoe, Torrent, Traverse, Vue, and Yukon. Please match your part number or contact us with your VIN to confirm compatibility.
Frequently Asked Questions
Frequently Asked Questions
How does the cloning service work?
After you purchase, you will send us your original Body Control Module. We then use specialized equipment to read the unique data from your module and write it onto the replacement unit. This makes the new part a perfect electronic match for your vehicle.
Do I need to send you my VIN?
While the cloning process copies data directly from your old module, providing your VIN helps us verify the correct hardware and software version for your vehicle as an extra quality check before we ship.
What happens to my old BCM?
Our core policy is simple: we always return your original module to you along with the newly programmed replacement. We do not keep your old part.
What tools are needed for installation?
Basic hand tools for removing trim panels (like the glove box) and disconnecting the battery are usually all that’s required. No special programming tools are needed thanks to our cloning service.
What if my airbag light comes on after installation?
This is a known possibility. It means the new BCM needs to be synced with the airbag system’s SDM. A professional technician with a capable scan tool will need to perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve it.
Is this a difficult job for a DIYer?
For most DIYers with basic mechanical skills, this is a very manageable job. The most important part is carefully accessing the module and ensuring the connectors are securely re-seated. The cloning service handles the complicated programming part for you.