Restore Control Over Your Vehicle’s Electronics
Are you battling bizarre electrical issues in your 2006-2011 Buick Lucerne or another compatible GM vehicle? Flickering lights, malfunctioning power windows, a temperamental security system, or dashboard warning lights that come and go are classic signs of a failing Body Control Module (BCM). As the central command for your car’s comfort and convenience features, a faulty BCM can make driving a frustrating experience. In my 20+ years of diagnostics, I’ve seen how a failing BCM can mimic a dozen other problems, leading to wasted time and money on incorrect repairs.
This isn’t just a replacement part; it’s a complete, hassle-free solution. We offer a professional Cloning Service for this BCM. This means we transfer the essential data from your original module directly onto this replacement unit. By precisely matching the software to your car’s Vehicle Identification Number (VIN), we eliminate the need for expensive dealership programming. You get a part that’s ready to install right out of the box, restoring the seamless operation you expect from your vehicle.
A Technician’s Notebook
I remember a 2008 Lucerne that came into the shop with a complaint of the interior lights staying on and the radio cutting out intermittently. The owner had already replaced the battery and checked all the fuses. A quick scan showed a slew of U-codes (communication errors) pointing towards the BCM. Before condemning the module, we did our due diligence: checked the main power and ground connections at the BCM connector. Everything was solid. This confirmed our suspicion. We installed a cloned BCM, and all the ghost-like electrical problems vanished. It’s a reminder that while the BCM is often the culprit for these symptoms, a 5-minute check of its power supply can save a lot of diagnostic headaches.
Diagnosing Your GM: Common BCM Failure Signs
If your vehicle is acting up, compare your experience to these common symptoms of BCM failure. Spotting these early can point you directly to the source of the problem.
- ✔ Erratic or non-functional interior and exterior lights (headlights, dome lights, dash lights).
- ✔ Power windows, door locks, or mirrors working intermittently or not at all.
- ✔ The security system or keyless entry failing to operate correctly.
- ✔ The horn sounding randomly or not working when pressed.
- ✔ False warnings on the driver information center (e.g., “Service Theft System”).
- ✔ Communication-related Diagnostic Trouble Codes (DTCs), often in the U-series (e.g., U0140, U0155).
- ✔ Unexplained battery drain that leaves you with a dead battery overnight.
Your Straightforward BCM Installation Guide
For the DIY enthusiast or professional technician, swapping the BCM is a manageable job. On the 2006-2011 Buick Lucerne, the BCM is located behind the right side of the dashboard. Always consult a service manual for your specific vehicle, as locations can vary.
- Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- Access the Module: You will likely need to remove the glove box or a lower dash trim panel to gain access to the BCM. Keep track of all screws and clips.
- 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, cloned BCM in the same position as the old one. Securely plug in all electrical connectors, ensuring they click into place.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the ignition to the ‘On’ position and test all body functions: lights, windows, locks, radio, etc.
- Perform Relearns (If Needed): As noted below, some vehicles may require a simple relearn procedure for the airbag system or brake pedal position sensor. This is typically only necessary if a specific warning light appears after installation.
Important Post-Installation Information
Our cloning service handles the vast majority of the setup, but due to the complex nature of modern vehicle systems, a couple of additional steps might be required on rare occasions:
- Airbag System Sync: If the airbag light is on after installation, a “Setup SDM Primary Key in BCM” procedure is needed. This requires a professional-grade scan tool to sync the modules.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn might be necessary for proper brake light and traction control operation.
Disclaimer: Vehicle systems vary. Always refer to a factory service manual for procedures specific to your make and model.
Verified Vehicle Compatibility List
This Body Control Module is a direct fit for a wide range of General Motors vehicles. Please verify your part number against our list and confirm your vehicle’s make, model, and year below. This module replaces 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, 95151084.
AVALANCHE 1500 10 (under steering column), ID 25892622
CAPRICE 11-13
CAPTIVA SPORT 12 (center dash), ID 20921435, 20921436, or 22860591
CTS 08 (RH dash)
CTS 08-13 (LH dash)
DTS 06-11 (RH center dash)
ENCLAVE 08-12 (LH dash)
EQUINOX 07-09 (center dash)
ESCALADE 10 (under steering column), ID 20815898 or 25892622
ESCALADE ESV 10 (under steering column), ID 20815898 or 25892622
ESCALADE EXT 10 (under steering column), ID 25892622
EXPRESS 1500 VAN 08-12 (center dash)
EXPRESS 2500 VAN 08-09 (center dash)
EXPRESS 2500 VAN 10 (center dash)
EXPRESS 2500 VAN 11-12
EXPRESS 3500 VAN 08-09 (center dash)
EXPRESS 3500 VAN 10 (center dash)
EXPRESS 3500 VAN 11-12
G8 08-09 (center dash)
HUMMER H2 08-09 (LH firewall)
IMPALA 06-12 (LH dash)
IMPALA 13 (LH dash), ID 22820315
LUCERNE 06-11 (right side dash)
MONTE CARLO 06-07 (LH steering column)
OUTLOOK 07-10 (center dash)
SAVANA 1500 VAN 08-12 (center dash)
SAVANA 2500 VAN 08-09 (center dash)
SAVANA 2500 VAN 10 (center dash)
SAVANA 2500 VAN 11-12 (center dash)
SAVANA 3500 VAN 08-09 (center dash)
SAVANA 3500 VAN 10 (center dash)
SAVANA 3500 VAN 11-12
SRX 07-09 (LH dash)
STS 10 (center dash)
SUBURBAN 1500 10 (under steering column), ID 20815898 or 25892622
TAHOE 10 (under steering column), ID 20815898 or 25892622
TORRENT 07-09 (center dash)
TRAVERSE 09-12 (LH dash)
VUE 08-10 (center dash)
YUKON 10 (under steering column), ID 20815898 or 25892622
YUKON XL 1500 10 (under steering column), ID 20815898 or 25892622
Frequently Asked Questions
Frequently Asked Questions
What is a BCM cloning service?
Our cloning service is a process where we transfer the specific configuration data, security information, and software from your original, failing BCM to this replacement unit. This makes the new module a perfect match for your vehicle’s options and security system, avoiding the need for a trip to the dealer for programming.
Do I need to send my original BCM to you?
Yes. For the cloning service to work, we need your original module to extract the data. After you purchase, we will provide instructions for sending it to us. We always return your original module along with the newly programmed replacement.
Is this part difficult to install for a DIYer?
For someone with basic mechanical skills, it’s generally a straightforward job. The main challenge is typically accessing the module, which may require removing a few dash panels. No special programming tools are needed on your end, thanks to our cloning service.
What happens if my airbag light is on after installation?
In some cases, the BCM and the airbag module (SDM) need to be re-synchronized. If the airbag light appears, a technician with a professional scan tool will need to perform the ‘Setup SDM Primary Key in BCM’ procedure. This is a quick process for any well-equipped shop.
Will this fix all my car’s electrical problems?
This module will fix issues directly caused by a faulty BCM. However, it will not fix problems stemming from other sources, such as bad wiring, faulty sensors, or a weak battery. Proper diagnosis is key, and our symptom list can help you determine if the BCM is the likely cause.
How do I provide my VIN after purchase?
After you complete your purchase, you will need to send us a message with your vehicle’s 17-digit VIN. We use this to ensure the latest GM software updates for your specific vehicle are loaded onto the module during the cloning process.