Restore Your Buick’s Electrical System with a Reliable, Programmed BCM
Are you chasing electrical gremlins in your 2006-2011 Buick Lucerne? Intermittent starting issues, flickering lights, power windows with a mind of their own, or a security light that won’t turn off are all classic signs of a failing Body Control Module (BCM). The BCM is the central command for your vehicle’s body electronics, and when it fails, it can cause a cascade of frustrating and unpredictable problems. Stop throwing parts at the problem and get the definitive solution. This BCM is the correct fix, and we make it easy by programming it to your vehicle’s specific VIN before it ever leaves our shop.
A Technician’s Notebook: The Haunted Lucerne
A customer brought in their 2009 Lucerne complaining that the car was ‘haunted.’ The horn would randomly go off in their driveway, the interior lights would flicker while driving, and sometimes the key fob wouldn’t work at all. They had already replaced the battery and checked the alternator. After hooking up my diagnostic scanner, I saw multiple communication error codes pointing toward the BCM. These modules are notorious for internal circuit board failures causing exactly this kind of chaos. We installed a VIN-programmed BCM just like this one, performed the necessary key relearn and SDM setup, and the car’s ‘ghosts’ were gone for good. This isn’t just a part; it’s the solution that restores sanity and reliability to your vehicle.
Common Signs of a Failing BCM
If your vehicle is experiencing any of the following, a faulty BCM is the most likely culprit. Replacing it with our pre-programmed unit can resolve these issues in one go.
- ✔️ Erratic or non-functional power windows, door locks, and interior/exterior lights.
- ✔️ The security or anti-theft system light stays on, preventing the car from starting.
- ✔️ The horn honks unexpectedly or doesn’t work at all.
- ✔️ The instrument cluster gauges behave erratically or go dead.
- ✔️ Key fobs stop working or only work intermittently.
- ✔️ Communication error codes (U-codes) stored in the vehicle’s computer system.
Your Straightforward BCM Installation Guide
Installing your new 2006-2011 Lucerne Body Control Module is a manageable job for a confident DIYer. The BCM in the Lucerne is located behind the right side of the dashboard. Follow these general steps for a successful installation.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait at least 10 minutes to allow the systems to fully discharge.
- Access the Module: You will need to remove the glove box or the passenger-side dash end panel to gain access to the BCM. It is typically mounted to a bracket in this area.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. Note their orientation. Then, unbolt or unclip the module from its mounting bracket and remove it from the vehicle.
- Install the New BCM: Mount your new, pre-programmed BCM onto the bracket and securely plug in all the electrical connectors. Ensure they click into place.
- Reconnect and Test: Reassemble the dash components and reconnect the negative battery terminal. The vehicle may need to go through a security relearn procedure, which can often be done without special tools (consult your owner’s manual or a reliable online resource for the specific procedure).
Critical Post-Installation Steps
After installing your new BCM, a couple of additional procedures are required to ensure full functionality and safety. These steps typically require a professional-grade scan tool.
- Airbag System Reset: To clear the airbag warning light, the ‘Setup SDM Primary Key in BCM’ procedure must be performed. This re-establishes communication between the new BCM and the airbag system’s Sensing and Diagnostic Module (SDM).
- Brake Pedal Position Sensor (BPPS) Calibration: On some models, the brake pedal sensor may need to be recalibrated to ensure the brake lights and stability control systems function correctly.
If you are not equipped to perform these steps, we strongly recommend seeking assistance from a qualified local mechanic after you have installed the part.
Verified Vehicle Compatibility
This module is a direct replacement for a wide range of GM vehicles and part numbers. We program it specifically for your car using the VIN you provide at checkout, guaranteeing a perfect match. This part is compatible with the following vehicles and part numbers:
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
Compatible Models:
- ACADIA 07-12
- AVALANCHE 1500 10 (ID 25892622)
- CAPRICE 11-13
- CAPTIVA SPORT 12
- CTS 08-13
- DTS 06-11
- ENCLAVE 08-12
- EQUINOX 07-09
- ESCALADE 10 (ID 25892622 or 20815898)
- ESCALADE ESV 10 (ID 25892622 or 20815898)
- ESCALADE EXT 10 (ID 25892622)
- EXPRESS VANS 08-12 (1500, 2500, 3500)
- G8 08-09
- HUMMER H2 08-09
- IMPALA 06-13
- LUCERNE 06-11
- MONTE CARLO 06-07
- OUTLOOK 07-10
- SAVANA VANS 08-12 (1500, 2500, 3500)
- SRX 07-09
- STS 10
- SUBURBAN 1500 10 (ID 25892622 or 20815898)
- TAHOE 10 (ID 25892622 or 20815898)
- TORRENT 07-09
- TRAVERSE 09-12
- VUE 08-10
- YUKON 10 (ID 25892622 or 20815898)
- YUKON XL 1500 10 (ID 25892622 or 20815898)
Frequently Asked Questions
Why do you need my VIN number?
Your Vehicle Identification Number (VIN) allows us to access the exact factory software and vehicle options for your car. We flash the BCM with this specific data, ensuring it communicates perfectly with your vehicle’s other modules, just like a new part from the dealership, but without the high cost and hassle.
Is this part difficult to install myself?
The physical replacement is straightforward for most DIYers with basic tools. It involves removing some dash panels and swapping the module. However, the post-installation procedures like the airbag system reset require a professional scan tool. You can install the part yourself and have a local shop complete the final electronic setup.
What happens if I don’t perform the airbag (SDM) reset?
If the ‘Setup SDM Primary Key’ procedure is not completed, the airbag warning light will remain illuminated on your dashboard, and more importantly, the airbag system may not function correctly in the event of a collision. This is a critical safety step.
Will this fix my car not starting?
If your no-start issue is caused by the anti-theft system being triggered by a faulty BCM (a very common issue), then yes, this part will resolve the problem once the security relearn procedure is completed after installation.
Is this a used part?
This is a high-quality, tested component that has been verified for full functionality. We then load it with the latest GM-certified software for your specific vehicle, providing a reliable and cost-effective alternative to a brand new dealership part.