Restore Full Functionality to Your Buick Lucerne
Are you tired of dealing with baffling electrical issues in your 2006-2011 Buick Lucerne? From power windows with a mind of their own to a car that refuses to start, a failing Body Control Module (BCM) can turn your reliable vehicle into a source of daily frustration. This isn’t just an inconvenience; it’s a breakdown in your car’s central nervous system. We offer a direct, reliable solution: a genuine GM Body Control Module, part number 15921352, professionally programmed to your car’s specific Vehicle Identification Number (VIN) before it ever leaves our facility.
A Technician’s Notebook: The Case of the Haunted Lucerne
A customer brought in his 2008 Lucerne last month with a list of complaints that sounded like the car was possessed. The radio would turn on and off, the interior lights would flicker, and worst of all, the anti-theft system would randomly engage, leaving him stranded. He’d already replaced the battery and checked the fuses. After connecting my scan tool, I saw multiple communication error codes pointing to the BCM. These modules are the traffic cops for all the comfort and convenience features. When they fail, chaos ensues. We installed one of our VIN-programmed BCMs, and within an hour, every single issue was resolved. This is the exact fix for that kind of electrical nightmare.
Is Your Lucerne Showing These Electrical Gremlins?
A faulty BCM can manifest in numerous ways. If you’re experiencing any of the following, this module is the most likely solution:
- ✔ Intermittent or non-working power windows, door locks, or mirrors.
- ✔ The security or anti-theft light stays on, preventing the car from starting.
- ✔ Erratic behavior from the radio, interior lights, or dashboard gauges.
- ✔ False warnings on the driver information center (e.g., ‘Service Airbag’).
- ✔ Communication errors when a mechanic tries to scan the vehicle’s computer systems.
The Smart Solution: Pre-Programmed for Your Car
Replacing a BCM isn’t as simple as just swapping the part. A blank module from the dealership requires expensive and time-consuming programming with specialized tools. Our service eliminates that entire step. By providing us with your VIN during checkout, you receive a 2006-2011 Lucerne BCM that is truly plug-and-play. We flash it with the latest, most stable software from GM, ensuring all systems communicate correctly from the moment you install it. This saves you hundreds of dollars in dealer fees and gets you back on the road faster.
Your Straightforward BCM Installation Guide
For the confident DIYer, replacing the BCM in your Lucerne is a manageable job. The BCM is typically located on the right side of the dash, accessible by removing the glove box or a lower dash panel.
- Safety First: Always disconnect the negative terminal from your car’s battery and wait at least 10 minutes to allow the system to fully discharge.
- Access the Module: Remove the necessary trim panels or the glove box assembly to gain clear access to the old BCM.
- Disconnect and Remove: Carefully unplug the electrical connectors from the module. They have locking tabs that need to be depressed. Once disconnected, unbolt the module from its mounting bracket.
- Install the New BCM: Mount your new, pre-programmed BCM in the same location and securely reconnect all the electrical harnesses. You should hear a ‘click’ as they lock into place.
- Final Steps: Reassemble your dash and reconnect the negative battery terminal. Follow the post-installation procedures below.
Critical Post-Installation Procedures
After installing your new 2006-2011 Lucerne BCM, a couple of final steps are required to ensure all systems are synchronized and safe. These are not optional and are critical for proper vehicle operation.
- Airbag System Reset: The airbag light will likely be on. A scan tool with the appropriate capabilities is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. This re-establishes communication between the new BCM and the airbag system’s Sensing and Diagnostic Module (SDM).
- Brake Pedal Position Sensor: Some vehicles require the Brake Pedal Position Sensor to be recalibrated after a BCM replacement. If you notice any changes in brake light operation or cruise control function, this procedure should be performed by a qualified technician.
Verified Compatibility For Your Vehicle
This Body Control Module is a guaranteed fit for the following vehicles and part numbers. Please match your part number to ensure compatibility.
Primary Fitment:
- 2006-2011 Buick Lucerne (BCM located on the right side of the dash)
This module also replaces the following part numbers and fits a wide range of GM vehicles (please verify your specific model and part number): 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. This part is compatible with models such as the Acadia, Impala, Enclave, Traverse, Escalade, Tahoe, Yukon, Express/Savana vans, and more within the specified years.
Frequently Asked Questions
Do I need to take this BCM to a dealer for programming?
No. The main benefit of our service is that we program the module to your car’s VIN before we ship it. This saves you the time, hassle, and expense of a dealership visit for programming.
What information do you need from me?
After you place your order, you will need to provide us with your 17-digit Vehicle Identification Number (VIN). We cannot program or ship the module without it.
Where is the BCM located on a 2006-2011 Buick Lucerne?
On the Buick Lucerne, the Body Control Module is typically located behind the dashboard on the passenger’s side. You can usually access it by removing the glove box assembly.
Will this fix my car’s ‘Service Theft System’ message?
Yes, in most cases. The BCM is a core component of the vehicle’s anti-theft system. A failing BCM is a very common cause of security system faults and no-start conditions. This programmed module will restore that functionality.
What tools are required for the post-installation procedures?
The post-installation procedures, specifically the airbag system reset (‘Setup SDM Primary Key’), require a professional-grade bidirectional scan tool. Most DIY code readers cannot perform this function. We recommend having a professional mechanic complete these final steps if you do not have the required tool.