Restore Full Electronic Functionality to Your GM Vehicle
Is your Buick Lucerne or other GM vehicle plagued by mysterious electrical issues? Flickering lights, malfunctioning power windows, a dead radio, or a security system that acts on its own are all classic signs of a failing Body Control Module (BCM). The BCM is the central nervous system for your car’s body electronics, and when it starts to fail, it can cause a cascade of frustrating and seemingly unrelated problems. Don’t let these electrical gremlins take over your driving experience. This direct-fit replacement BCM is the solution you need to restore your vehicle’s performance and reliability.
From the Diagnostic Bay
We had a 2009 Buick Lucerne come into the shop with a list of bizarre complaints. The owner said the dome lights would stay on randomly, the driver’s side window wouldn’t go down, and the key fob worked intermittently. He had already replaced the battery and checked fuses, but nothing worked. After hooking up our diagnostic scanner, we saw multiple communication errors pointing towards the BCM. Instead of a costly and time-consuming repair at the dealership, we installed one of our VIN-programmed modules. In under an hour, every single one of the strange electrical issues was gone. The customer was thrilled to have his car back to normal without the dealership hassle.
Common Symptoms of a Failing BCM
- ✔ Intermittent or non-functional power windows, door locks, and mirrors.
- ✔ Erratic behavior from interior or exterior lights (flickering, staying on, or not turning on).
- ✔ Malfunctioning radio, climate controls, or instrument cluster gauges.
- ✔ False security system alarms or the inability to start the vehicle due to anti-theft issues.
- ✔ Warning lights appearing on the dash, such as the airbag or ABS light.
- ✔ Poor or no communication with diagnostic scan tools.
- ✔ Rapid battery drain while the vehicle is parked.
The Plug-and-Play Solution for Your 2006-2011 Lucerne BCM
The biggest hurdle in replacing a BCM is the need for expensive, dealer-specific programming. We eliminate that problem entirely. When you order from us, you simply provide your vehicle’s VIN (Vehicle Identification Number) during checkout. Our technicians will then flash the module with the latest, most stable software updates directly from GM, ensuring it is perfectly matched to your vehicle’s specific options and configuration. This means no extra trips to the mechanic or dealership for programming. It arrives at your door ready for installation.
Installation and Post-Install Procedures
While this module is designed for a straightforward installation, some vehicles may require additional electronic ‘handshake’ procedures after the new BCM is connected. These are not defects but are part of the vehicle’s security and safety systems recognizing the new component.
- Airbag System Sync: If the airbag warning light is illuminated after installation, a ‘Setup SDM Primary Key in BCM’ procedure must be performed. This requires a professional-grade scan tool to sync the new BCM with the airbag system’s Sensing and Diagnostic Module (SDM).
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration may be necessary. This ensures the brake lights and traction control system function correctly with the new module.
Note: Specific procedures can vary. We always recommend consulting a factory service manual or a qualified technician for your specific vehicle.
Broad Compatibility Across the GM Lineup
This versatile Body Control Module is a direct replacement for a wide range of GM cars, trucks, and SUVs. It replaces the following 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. It is compatible with models such as the Cadillac DTS, Chevy Impala, GMC Acadia, Chevy Express Van, and many more. Please verify the part number to ensure correct fitment.
Frequently Asked Questions
What is VIN programming and why is it necessary?
VIN programming is the process of loading your vehicle’s specific software and settings onto the Body Control Module. Every car has unique features (like power seats, sunroof, specific lighting, etc.), and the BCM needs to know what to control. Our service ensures the module is a perfect electronic match for your car, preventing compatibility issues and saving you a trip to the dealership.
Where is the BCM located on my 2006-2011 Buick Lucerne?
On the 2006-2011 Buick Lucerne, the Body Control Module is typically located behind the right side of the dashboard, near the passenger-side kick panel area. Always disconnect the vehicle’s battery before attempting to access or replace any electronic modules.
Do I need to send my old BCM back?
No, there is no core charge for this part. You can keep your original module, which can be helpful if you ever need to reference its original programming or part number.
Will this fix my car’s battery drain issue?
A failing BCM is a very common cause of parasitic battery drain. If the module fails to go into ‘sleep’ mode after the car is turned off, it can continue to draw power and drain the battery overnight. Replacing a faulty BCM often resolves these types of electrical draws.
Is this a difficult part to install myself?
For someone with moderate mechanical experience, the physical replacement is generally straightforward. It involves removing some interior trim panels and disconnecting electrical connectors. The most critical part is ensuring the battery is disconnected. However, post-installation procedures like the airbag sync may require professional tools, so factor that into your repair plan.