Is Your Buick Lucerne Experiencing Strange Electrical Issues?
If you’re dealing with a frustrating array of electrical gremlins in your 2006-2011 Buick Lucerne, a failing Body Control Module (BCM) is the most likely culprit. The BCM is the central nervous system for your vehicle’s body electronics, managing everything from your power windows and door locks to the interior lights and security system. When it starts to fail, it can cause bizarre, intermittent problems that are difficult to diagnose, leaving you stranded or dealing with a car that seems to have a mind of its own.
From the Diagnostic Bay
We recently had a 2008 Lucerne come into the shop with a list of complaints that seemed completely unrelated. The driver’s side window would only work occasionally, the radio display would flicker, and the anti-theft light would stay on, sometimes preventing the car from starting. The owner had already replaced the battery and checked all the fuses. After connecting our diagnostic tool, we saw multiple communication error codes pointing to a network failure. We traced it back to the BCM. A failing internal processor was corrupting data on the vehicle’s network, causing chaos. Installing a VIN-programmed 2006-2011 Lucerne Body Control Module resolved all the issues at once, restoring the car to perfect working order.
Common Symptoms of a Failing BCM
- ✔ Power windows, door locks, or mirrors operating erratically or not at all.
- ✔ Interior or exterior lights flickering, staying on, or not turning on.
- ✔ The vehicle’s security system or alarm malfunctioning, causing false alarms or no-start conditions.
- ✔ Dashboard warning lights (like the airbag or brake light) illuminating without a clear cause.
- ✔ The horn honking unexpectedly.
- ✔ Key fob functions becoming unreliable.
- ✔ Intermittent issues with the climate control or radio.
The Plug-and-Play Solution for Your Vehicle
Don’t let a faulty BCM control your driving experience. This isn’t just a replacement part; it’s a complete, hassle-free solution. We take the complexity out of the repair by pre-programming this module specifically for your vehicle using the VIN you provide. This critical step ensures that the BCM communicates perfectly with your car’s existing systems and recognizes all of its specific options and security features. You get a part that is ready for installation right out of the box, saving you from a costly and time-consuming trip to the dealership for programming.
Why Choose Our Pre-Programmed 2006-2011 Lucerne Body Control Module?
This module is the definitive fix for the electrical issues plaguing your vehicle. By programming the unit with the latest GM software updates, we ensure optimal performance and reliability. This process correctly configures the module for your vehicle’s specific equipment package, immobilizer system, and other electronic components. Simply provide your VIN during checkout, and our technicians will handle the rest, shipping you a module that is ready for a straightforward installation.
Installation and Post-Install Requirements
Physical installation is typically a simple process, with the BCM located on the right side of the dash in most Lucerne models. After installation, some vehicles may require one or two simple recalibration procedures to ensure all systems are synchronized. These are known as ‘relearn’ procedures and may include:
- Airbag System Sync: If you see an airbag warning light after installation, a professional scan tool must be used to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the new BCM with the airbag system’s computer.
- Brake Pedal Position Relearn: In some cases, a brake pedal position sensor recalibration may be necessary to ensure proper operation of the brake lights and traction control system.
Please note: Specific procedures can vary by vehicle. Always consult a factory service manual or a qualified technician for guidance.
Wide-Ranging GM Compatibility
This BCM is a direct replacement for a vast number of GM vehicles beyond the Buick Lucerne. It is compatible with a wide array of cars, trucks, and vans. Please verify that your original module’s part number is on the list below to ensure perfect compatibility.
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
Frequently Asked Questions
Do I need to program this BCM after I receive it?
No. This Body Control Module comes fully programmed to your vehicle’s specific VIN. It is ready to be installed right out of the box, saving you a trip to the dealership.
Where is the BCM located on my 2006-2011 Buick Lucerne?
On the Buick Lucerne models from 2006 to 2011, the BCM is typically located behind the dashboard on the right (passenger) side.
What happens if I forget to provide my VIN?
Providing your VIN is a required step for this purchase. We cannot program and ship the module without it, as the programming is essential for the part to function correctly in your vehicle. Your order will be placed on hold until the VIN is received.
Will this fix my car’s anti-theft or security light issue?
Yes, in many cases. The BCM is integral to the vehicle’s immobilizer and security system. A faulty BCM is a very common cause of security light illumination and no-start conditions related to the anti-theft system.
What kind of tool is needed for the post-installation procedures?
The Airbag System Sync and Brake Pedal Position Relearn procedures require a professional-grade bidirectional diagnostic scan tool. Basic code readers cannot perform these functions.
Is there a core charge for my old part?
No, there is no core charge for this module. You can keep your original part without needing to send it back.