Restore Your Buick’s Electrical System with a Reliable BCM
Are you dealing with baffling electrical problems in your 2006-2011 Buick Lucerne? Flickering lights, malfunctioning power windows, a security system that has a mind of its own, or an intermittent no-start condition can be incredibly frustrating. These aren’t random glitches; they are 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 starts to fail, it can cause widespread, confusing issues. Don’t let these problems compromise your car’s reliability and your peace of mind.
This is a direct-fit replacement BCM, but with a crucial service that saves you hundreds of dollars and a trip to the dealership. We offer a professional Cloning Service. Simply send us your original BCM, and we will transfer all the vital, vehicle-specific data—including key programming and security information—to this replacement unit. The result is a truly plug-and-play solution. You receive a module that is ready for installation right out of the box, with the latest GM software updates and your vehicle’s unique identity already loaded. This is the smart, efficient way to solve your BCM problems.
Case Study: A Tricky Diagnosis
A customer brought in a 2008 Lucerne with a list of complaints that seemed unrelated. The radio would turn on and off, the driver’s side power window worked only half the time, and the anti-theft light would stay on, sometimes preventing the car from starting. They had already replaced the battery and checked fuses. After connecting my scan tool, I noticed several communication error codes (U-codes) pointing to the BCM. Instead of a costly new module and hours of programming at the dealer, we used a cloned BCM. The installation took less than 30 minutes, and every single electrical gremlin was gone. It’s a perfect example of how a single component can create system-wide chaos.
Common Signs of a Failing BCM
If your vehicle is exhibiting any of these symptoms, a faulty BCM is the likely culprit. In my shop, I’ve seen these issues hundreds of times, often leading to communication DTCs like U0140, U0155, or B1001.
- ✔ Power windows or door locks operating erratically or not at all.
- ✔ Interior or exterior lights flickering, staying on, or not turning on.
- ✔ The security system engaging randomly, causing a no-start condition.
- ✔ Dashboard warning lights illuminating for no reason (e.g., ABS, Airbag, Traction Control).
- ✔ Horn honking unexpectedly or not working when pressed.
- ✔ Inaccurate readings on the instrument cluster gauges.
- ✔ Complete loss of communication with the vehicle’s diagnostic port.
Your Straightforward BCM Installation Guide
Installing your cloned 2006-2011 Lucerne BCM is a manageable task for a confident DIYer. Since we’ve handled the programming, you won’t need any special scan tools for the core installation.
- Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- Locate the BCM: On the 2006-2011 Buick Lucerne, the Body Control Module is typically located on the right side of the dash, often 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 and remove it from the vehicle.
- Install the New BCM: Mount your new, cloned BCM onto the bracket and securely plug in all the electrical connectors. You should hear a ‘click’ as they lock into place.
- Reconnect Power: Re-install any panels you removed and then reconnect the negative battery terminal.
- Perform Post-Install Checks: Start the vehicle and test all body functions: lights, windows, locks, horn, and wipers. As noted below, some simple relearn procedures may be required for specific systems.
Important Post-Installation Notes
While our cloning service makes this a plug-and-play repair, some vehicle systems may need to be re-initialized after the BCM and battery have been disconnected. These are standard procedures.
- Airbag System Sync: If the airbag light is on 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 module.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be required to ensure brake lights and stability control function correctly.
Disclaimer: Always refer to a factory service manual for your specific model for detailed instructions and torque specs.
Verified Vehicle Compatibility
This BCM is a guaranteed fit for the 2006-2011 Buick Lucerne. It also serves as a direct replacement for a wide range of other GM vehicles that use the same module architecture. Please match your original part number to the list below to ensure compatibility.
Interchangeable 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
Fits Models Including:
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
Frequently Asked Questions
What is a ‘Cloning Service?’
Cloning is the process where we transfer the complete software and vehicle-specific data (like VIN, key codes, and security settings) from your original BCM to this replacement unit. This makes the new part plug-and-play, avoiding expensive and time-consuming dealer programming.
Do I need to send you my VIN?
No, for this cloning service, we do not need your VIN. We only need your original BCM. The VIN is part of the data we transfer directly from your old module to the new one.
Will this fix my car’s no-start problem?
If the no-start issue is caused by the BCM’s control over the anti-theft or starter relay circuits, then yes, this will likely solve the problem. A proper diagnosis is key, but a faulty BCM is a very common cause of these symptoms.
What happens to my old BCM?
Our policy is to always return your original module along with the newly cloned replacement. We do not keep your old part. You will receive both units back in the return shipment.
Is this part difficult to install myself?
For someone with basic mechanical skills, the physical installation is straightforward. It involves removing a few dash panels and swapping the module. Since our cloning service handles all the programming, you eliminate the most difficult part of the job.