2006-2011 Lucerne Body Control Module 25847588 Cloning Service

Are you battling bizarre electrical issues in your Buick Lucerne or other GM vehicle? Flickering lights, malfunctioning power windows, a security light that won’t turn off, or even a car that refuses to start can all point to a single culprit: a failing Body Control Module (BCM). As the central command center for your vehicle’s body electronics, when the BCM falters, it can create a cascade of frustrating and unpredictable problems. This isn’t just an inconvenience; it can affect your vehicle’s safety and security. Put an end to the guesswork and expensive dealership diagnostics with our reliable, plug-and-play solution.

This replacement Body Control Module, compatible with part number 25847588, is the definitive fix for your vehicle’s electrical woes. What makes our service stand out is our professional cloning process. You simply send us your original BCM, and we transfer its unique, vehicle-specific data directly to this replacement unit. This means the module you receive back is pre-configured for your exact vehicle. You can bypass the costly programming and lengthy procedures at a dealership, saving you time, money, and hassle. It’s the most direct path to restoring your car’s full functionality.

Common Signs Your BCM is Failing

A faulty BCM can manifest in numerous ways. If you’re experiencing any of the following, it’s a strong indicator that your BCM may need replacement:

• ✔ Erratic or non-functional power windows, door locks, and mirrors.
• ✔ Interior or exterior lights that flicker, stay on, or don’t work at all.
• ✔ The security system light is on, or the alarm goes off randomly.
• ✔ Key fob not responding or working unreliably.
• ✔ Instrument cluster gauges behaving erratically or going dark.
• ✔ Diagnostic Trouble Codes (DTCs) related to communication loss, such as U0140, U0155, or other U-codes.
• ✔ A no-start condition where the engine cranks but won’t fire up due to a security system fault.

A Straightforward Guide to Installation

Thanks to our cloning service, installing your replacement 2006-2011 Lucerne Body Control Module is a direct swap. While the exact location can vary, the process is generally simple for a DIYer with basic tools.

1. Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes to ensure all systems are powered down.
2. Locate the BCM: On the 2006-2011 Buick Lucerne, the BCM is typically found behind the dashboard on the right (passenger) side. For other models, it may be under the steering column or in the center dash area. A quick search for your specific model will confirm its location.
3. Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be pressed to release. Once disconnected, remove any bolts or clips holding the module in place and take it out.
4. Install the New Module: Seat the new, programmed BCM in the same position and secure it with the original hardware.
5. Reconnect and Test: Plug the electrical connectors firmly into the new module, ensuring they click into place. Reconnect the negative battery terminal. Turn the key to the ‘On’ position and test all body functions—windows, locks, lights, radio, etc.—to confirm the repair.

Post-Installation Procedures

In most cases, our cloning service makes this a true plug-and-play repair. However, due to the complex integration of modern vehicle systems, some models may require a simple relearn procedure:

• Airbag System Sync: If your airbag warning light is on after installation, a ‘Setup SDM Primary Key in BCM’ procedure may be needed. This syncs the new BCM with the airbag system and requires a professional-grade scan tool.
• Brake Pedal Position Relearn: On some vehicles, a brake pedal position sensor recalibration might be necessary to ensure proper brake light and traction control operation.

Verified Vehicle Compatibility

This module is a direct replacement for part number 25847588 and services a wide range of General Motors vehicles. It is also interchangeable 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, 25847589, 25892622, 25910474, 25934762, 25934763, and 95151084. Please verify your part number and check the list below to ensure proper fitment.

Note: Some models require matching the ID number on your original module. Please check your module before ordering.

Frequently Asked Questions