Restore Full Functionality to Your Vehicle’s Electronics
Is your 2006-2011 Buick Lucerne experiencing bizarre electrical problems? Issues like flickering lights, unresponsive power windows, or a security system that has a mind of its own are often symptoms of a failing Body Control Module (BCM). The BCM acts as the central hub for your vehicle’s body electronics, and when it malfunctions, it can cause a cascade of frustrating and seemingly unrelated issues. This direct-fit Body Control Module, programmed specifically to your vehicle’s VIN, is the definitive solution to restore order and reliability.
From the Diagnostic Bay
We had a 2009 Lucerne come in with a classic BCM failure symptom: a dead battery every morning. The owner had already replaced the battery and alternator, but the parasitic draw persisted. After hooking up our diagnostic tools, we found the BCM was failing to put the vehicle’s communication network to sleep after the key was turned off. It was keeping other modules awake all night, slowly draining the battery. Installing a VIN-programmed BCM like this one solved the problem instantly. The car went to sleep as it should, and the owner was thrilled to have a reliable vehicle again.
Common Symptoms of a Failing BCM
- ✔ Erratic or non-functional power windows, door locks, and mirrors.
- ✔ Interior or exterior lights staying on, flickering, or not working at all.
- ✔ The anti-theft or security system activating randomly or preventing the car from starting.
- ✔ Instrument cluster gauges behaving erratically or warning lights appearing for no reason.
- ✔ Inconsistent operation of the HVAC blower motor or climate controls.
- ✔ No communication with the BCM when using a professional scan tool.
Why Choose a Pre-Programmed 2006-2011 Lucerne BCM?
Replacing a BCM isn’t as simple as swapping the old part for a new one. These modules are coded to the specific options and security systems of the vehicle they were built for. Our service eliminates the need for an expensive trip to the dealership for programming. Simply provide us with your vehicle’s VIN during checkout, and we will flash the module with the latest GM software updates specific to your car. This ensures a seamless installation process, getting you back on the road faster.
Important Post-Installation Steps
After installation, some vehicles may require additional relearn procedures. These are straightforward for any qualified technician with a capable scan tool. Please note the following possibilities:
- Airbag System Sync: If the airbag warning light comes on after installation, the ‘Setup SDM Primary Key in BCM’ procedure will need to be performed with a professional diagnostic tool to sync the system and turn off the light. This is only required if the light is on.
- Brake Pedal Position Relearn: Depending on your specific model, a brake pedal position sensor recalibration may be necessary to ensure proper brake light function and traction control system performance.
Always consult a factory service manual or a qualified technician for guidance specific to your vehicle.
Guaranteed Compatibility
This module is a direct replacement for a wide range of GM vehicles and is compatible with 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, and 95151084.
Frequently Asked Questions
What does the Body Control Module (BCM) do?
The BCM is a computer that controls most of your vehicle’s non-engine related electronic functions. This includes power windows, locks, interior and exterior lighting, security system, wipers, and climate control functions.
Do I need to get this module programmed by a dealer?
No. We handle the programming for you before we ship the part. Just provide your vehicle’s VIN number at checkout, and the module will arrive ready for installation, flashed with the latest GM software for your specific vehicle.
Where is the BCM located on a 2006-2011 Buick Lucerne?
On the Buick Lucerne, the BCM is typically located behind the dashboard on the right (passenger) side. Access may require removing the glove box or lower dash panels.
What if my airbag light is on after installation?
This can happen occasionally. It means the new BCM needs to be electronically introduced to the airbag system’s computer (SDM). A technician with a professional scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve this.
Is this a difficult part to replace myself?
For someone with moderate mechanical experience, it is a manageable job. The primary challenge is accessing the module’s location within the dash. It is critical to disconnect the vehicle’s battery before starting the replacement to prevent electrical damage.