Is Your Buick Lucerne Acting Possessed?
Are you dealing with a cascade of bizarre electrical issues in your 2006-2011 Buick Lucerne? One day the power windows have a mind of their own, the next the interior lights are flickering, and now the security light is on, preventing the car from starting. As a technician with over 20 years of experience, I’ve seen this exact scenario play out hundreds of times. The root cause is almost always a failing Body Control Module (BCM), the central computer for your car’s comfort and convenience features.
Don’t let a faulty BCM sideline your vehicle. This is a direct replacement Body Control Module, part number 25892622, that solves these frustrating problems. The best part? We handle the most difficult step for you. Simply provide your vehicle’s VIN during checkout, and our experts will program the module with the latest GM software specific to your Lucerne. It arrives at your door ready for installation, saving you from a costly and time-consuming trip to the dealership.
Symptoms of a Failing 2006-2011 Lucerne Body Control Module
If you’re experiencing any of the following, a faulty BCM is the likely culprit:
- โ Erratic or non-functional power windows, door locks, and mirrors.
- โ Interior dome lights or dashboard lights flickering or staying on.
- โ The security or anti-theft system light is illuminated, causing a no-start condition.
- โ Horn honking randomly or not working at all.
- โ False warnings on the driver information center (e.g., “Door Ajar”).
- โ Communication errors with other modules, leading to multiple warning lights.
Expert Pro Tip from the Shop Floor: Before you condemn your old BCM, take a close look at the passenger side A-pillar and floor area for any signs of water intrusion. A common cause of BCM failure in the Lucerne is a water leak from a clogged sunroof drain or a bad windshield seal. The BCM is located on the right side of the dash, and even a small amount of moisture can wreak havoc on its internal circuits. Fixing the leak is just as important as replacing the module.
Simple Installation Process
With the programming already handled by our team, the physical replacement is straightforward. While we always recommend consulting a service manual, here is a general guide for your 2006-2011 Lucerne:
- Safety First: Always disconnect the negative terminal from your car’s battery and wait a few minutes before starting work.
- Locate the BCM: On the Lucerne, the BCM is typically located behind the glove box or on the right side of the center console area. You will need to remove the glove box assembly for access.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket.
- Install the New Module: Mount your new, pre-programmed BCM in the same location. Securely plug in all the electrical connectors. Ensure they click into place.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘ON’ position and test all body functions (windows, locks, lights, etc.) to confirm the repair.
Important Post-Installation Steps
After installing your new BCM, a couple of final configuration steps are required to ensure full system functionality. This is standard procedure for this repair.
- Airbag System (SRS): The airbag warning light will likely be on. A ‘Setup SDM Primary Key in BCM’ procedure must be performed with a professional-grade scan tool to sync the new BCM with the airbag system and clear the light.
- Brake Pedal Position: Some vehicles may require a ‘Brake Pedal Position Sensor Calibration’ to ensure the brake lights and stability control system function correctly.
Guaranteed Compatibility
This BCM is a direct replacement for a wide range of GM vehicles and interchanges 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. By providing your VIN, we guarantee it will be programmed correctly for your specific vehicle options.