Restore Your Buick’s Electrical System with a Reliable BCM Solution
Are you dealing with baffling electrical issues in your 2006-2011 Buick Lucerne? Flickering dashboard lights, power windows with a mind of their own, or a security system that prevents your car from starting 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 nervous system for your vehicle’s comfort and convenience features, and when it fails, it can create a cascade of unpredictable problems. This isn’t a part you can ignore. We offer a dependable, straightforward solution to get your Lucerne, or other compatible GM vehicle, back to functioning perfectly.
A Technician’s Notebook: The Intermittent Gremlin
I once had a 2008 Lucerne in the bay that was driving its owner crazy. The radio would randomly turn off, the interior lights would pulse, and occasionally, the car just wouldn’t start. The owner had already replaced the battery and checked the alternator. After hooking up my diagnostic scanner, I saw a flurry of communication error codes (U-codes) pointing to a network issue. In my 20+ years of experience, this pattern almost always points to the BCM. The internal circuits and relays inside these modules can develop micro-fractures over time, leading to the intermittent, maddening problems that don’t follow a logical pattern. We swapped in a module with cloned data, and the car was back to normal in an hour. This is the exact fix we provide to you.
What is Our Cloning Service? A True Plug-and-Play Fix
Forget about expensive dealership visits and programming fees. Our unique cloning service makes this repair simple. Here’s how it works:
- You purchase this Body Control Module.
- You ship your original, faulty BCM to us.
- Our technicians extract the precise data from your module—including VIN, mileage, and key information—and transfer it directly onto this replacement unit.
- We ship both your original module and the ready-to-install replacement back to you.
The result is a BCM that is 100% plug-and-play. Your vehicle will recognize it as the original, eliminating the need for complex and costly programming with a dealer-level scan tool.
Is Your Vehicle Showing These Symptoms?
- ✔ Erratic or non-functional power windows, door locks, or mirrors.
- ✔ Dashboard lights flickering, or gauges behaving strangely.
- ✔ The security or anti-theft system light is on, preventing the engine from starting.
- ✔ Interior or exterior lights staying on or not working at all.
- ✔ Communication Diagnostic Trouble Codes (DTCs) like U0140, U0155, or U0100.
- ✔ The radio or climate control system works intermittently.
A Straightforward Guide to Your 2006-2011 Lucerne BCM Installation
- ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- ✔ Locate the BCM: In the 2006-2011 Buick Lucerne, the Body Control Module is typically located behind the right side of the dashboard, accessible by removing the glove box or a lower dash panel.
- ✔ Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket.
- ✔ Install the New Module: Mount your new, cloned BCM in the same position and securely reconnect all the electrical connectors. You should hear a ‘click’ as they lock into place.
- ✔ Final Steps: Reinstall any panels you removed and reconnect the negative battery terminal. Start the vehicle to confirm that the electrical issues are resolved.
Important Post-Installation Information
While our cloning service makes this a plug-and-play repair, some vehicle systems may require a ‘handshake’ with the new BCM. Please be aware of the following potential procedures:
- Airbag System Sync: If your airbag warning light is illuminated after installation, a ‘Setup SDM Primary Key in BCM’ procedure is needed. This requires a professional-grade scan tool to sync the modules and is only necessary if the light is on.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be required to ensure correct brake light operation and to prevent issues with the traction control system.
Disclaimer: Vehicle systems vary. We always recommend consulting a factory service manual or a certified technician if you are unsure about any step.
Verified Vehicle Compatibility
This Body Control Module is a direct-fit replacement for the 2006-2011 Buick Lucerne. It is also compatible with a wide range of other GM vehicles. Please verify that your original part number is on the list below. Finding your part number on the module’s sticker is the best way to ensure a perfect match.
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
Partial Fitment List:
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 VANS 08-12
G8 08-09
HUMMER H2 08-09
IMPALA 06-13
LUCERNE 06-11
MONTE CARLO 06-07
OUTLOOK 07-10
SAVANA VANS 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
What exactly is a ‘cloning service’?
Cloning is a process where we transfer the essential vehicle-specific data (like the VIN and security information) from your original BCM to the replacement unit. This makes the new module a perfect digital copy, allowing your car to accept it without needing any additional programming from a dealer.
So I won’t need to take my car to a mechanic for programming?
That’s correct. Our cloning service makes this a true plug-and-play part. Once you receive the module from us, you can install it yourself or have your mechanic do it, and it will work immediately without any special programming.
What if my airbag light comes on after installation?
In some cases, the BCM and the airbag module (SDM) need to be re-synchronized. This is a simple procedure called ‘Setup SDM Primary Key in BCM’ that can be performed by a technician with a professional scan tool. It’s only required if the light appears after the swap.
Do I get my original BCM back?
Yes, absolutely. We always return your original module along with the newly programmed replacement unit. We do not keep your original part.
How can I be sure this fits my vehicle?
The most reliable way is to check the part number on the sticker of your current BCM. If that number matches any of the ones listed in our compatibility section, this module is the correct fit for your vehicle.