Restore Full Electronic Function to Your GM Vehicle
Are you battling perplexing electrical issues in your 2008-2012 Buick Enclave or another compatible GM model? Flickering lights, unresponsive power windows, faulty door locks, or strange warning messages on your dash are all classic signs of a failing Body Control Module (BCM). The BCM acts as the central nervous system for your vehicle’s body electronics, and when it malfunctions, it can cause a cascade of frustrating and seemingly unrelated problems. This replacement Body Control Module, part number 15948438, is the definitive solution to restore your vehicle’s functionality and peace of mind.
From the Diagnostic Bay
We had a customer with a 2011 Acadia who was convinced his vehicle was possessed. The radio would change stations on its own, the interior lights would stay on, and the power liftgate worked only when it wanted to. He had already spent a small fortune replacing individual switches and motors with no success. After a quick diagnostic scan, we traced all the communication errors back to a single point of failure: the BCM. Once we installed a VIN-programmed module like this one, all the phantom issues vanished instantly. It’s a powerful reminder that what seems like multiple problems is often just one faulty central computer.
Common Symptoms of a Failing BCM
- ✔ Erratic or non-functional power windows, door locks, and mirrors.
- ✔ Interior or exterior lights that won’t turn on or off.
- ✔ Malfunctioning windshield wipers or washers.
- ✔ Security system faults or the vehicle failing to start.
- ✔ False warning lights on the instrument cluster (e.g., “Service Airbag”).
- ✔ Problems with the radio, climate control, or other interior accessories.
Why Choose Our Pre-Programmed 2008-2012 Enclave BCM?
Forget the hassle and expense of a dealership visit. We take the complexity out of the repair process. When you purchase this module, simply provide us with your vehicle’s VIN. Our technicians will then program the BCM with the latest GM software specific to your vehicle’s exact configuration. This ensures that when the part arrives, it’s ready for a straightforward installation. This is not a generic, one-size-fits-all part; it’s a component prepared for your specific car.
Installation and Post-Install Notes
While the physical installation is often a simple plug-and-play process, some vehicles may require additional steps to ensure all systems communicate correctly. Please be aware of the following potential procedures:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the new BCM with the airbag system.
- Brake Pedal Position Relearn: Some models may require a brake pedal position sensor recalibration to ensure proper brake light and traction control operation.
Always consult a factory service manual or a qualified technician for guidance specific to your vehicle.
Guaranteed Fitment
This BCM is a direct replacement for a wide range of GM vehicles and part numbers. Please verify your part number or vehicle in the list below.
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
What does the Body Control Module do?
The BCM is a computer that manages and controls many of your vehicle’s non-engine related functions, such as power windows, locks, lights, wipers, security system, and interior accessories.
Is this BCM difficult to install?
The physical replacement is typically straightforward, often located under the dash. However, as noted, some vehicles may require additional electronic relearn procedures with a professional scan tool after installation.
How do I provide my VIN for programming?
After you complete your purchase, we will contact you for your vehicle’s 17-digit VIN. We cannot ship the module until we have programmed it, so please respond promptly.
Will this fix my specific electrical problem?
If your vehicle is exhibiting multiple symptoms listed above, a failing BCM is the most likely cause. This VIN-programmed module is designed to correct those faults. For single-point failures (e.g., only one window not working), you should first check fuses, relays, and the specific motor/switch.
What if my airbag light comes on after installation?
This is a known possibility. It means the new BCM needs to be electronically introduced to the airbag system (SDM). A qualified shop with a high-level scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve this.