Restore Full Electronic Functionality to Your GM Vehicle
Are you battling bizarre electrical issues in your 2008-2012 GMC Savana 3500 or other GM vehicle? Flickering lights, malfunctioning power windows, a security system that has a mind of its own, or warning lights that won’t go away 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 fails, it can cause a cascade of frustrating and seemingly unrelated problems. This replacement Body Control Module is the definitive solution to restore your vehicle’s systems to perfect working order.
From the Diagnostic Bay
We had a contractor come in with his ’11 Savana 3500 work van. The dome lights would stay on, the radio would cut out randomly, and the power locks were completely unreliable. He’d been to two other shops that couldn’t pinpoint the issue. After hooking up our diagnostic tool, we saw multiple communication errors all pointing to the BCM. Instead of sending him to a dealer for a costly replacement and programming, we sourced a VIN-programmed module like this one. The installation was straightforward, and after a quick brake pedal position relearn, every single one of his electrical gremlins was gone. He was back on the road the same day, saving significant time and money.
Is Your Vehicle Exhibiting These Symptoms?
- ✔ Erratic or non-functional power windows, mirrors, and door locks.
- ✔ Interior lights, headlights, or taillights behaving strangely or not working at all.
- ✔ The security system or keyless entry is intermittent or has failed.
- ✔ Unexplained battery drain that leaves you with a dead battery.
- ✔ Warning lights on the instrument cluster, such as for the airbag or ABS system.
- ✔ Climate control system not responding to commands.
The Critical Advantage: VIN-Specific Programming
Don’t settle for a generic, off-the-shelf module that requires expensive dealership programming. We take the hassle and expense out of the equation. When you purchase this module, you provide us with your vehicle’s VIN. Our technicians will then program the BCM with the latest official GM software specific to your vehicle’s exact configuration. This ensures that all factory options—from power seating to specific lighting packages—work exactly as they did when your vehicle was new. This is not a one-size-fits-all solution; it’s a tailored repair for your specific vehicle.
Why Choose Our 2008-2012 Savana 3500 BCM?
This unit is a direct-fit replacement, designed to integrate seamlessly with your vehicle’s existing systems. Because it arrives programmed, it dramatically simplifies the installation process, saving you time and potential labor costs. Furthermore, there is no core charge, meaning you don’t have to worry about the cost and hassle of sending your old, faulty module back to us.
Installation and Required Procedures
While our VIN programming handles the most complex part of the job, some vehicles may require simple post-installation relearn procedures to sync the new module with other components. These are standard industry procedures.
- Airbag System Sync: If your airbag warning light is illuminated after installation, a ‘Setup SDM Primary Key in BCM’ procedure must be performed using a professional-grade diagnostic tool. This ensures the new BCM and the airbag system communicate correctly.
- Brake Pedal Position Relearn: Some models may require a brake pedal position sensor recalibration to ensure proper brake light operation and to satisfy the traction control system.
Disclaimer: Specific procedures can vary by vehicle. Always consult a factory service manual or a qualified technician for guidance.
Broad Compatibility Across the GM Lineup
This BCM is a direct replacement for a wide range of part numbers and fits numerous GM models beyond the Savana, including the Chevrolet Express, Impala, Tahoe, GMC Acadia, Cadillac DTS, and more. It 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, and 95151084.
Frequently Asked Questions
How do I provide my VIN for programming?
After you complete your purchase, you will receive instructions on how to send us your vehicle’s 17-digit VIN. We cannot ship your order until we receive this information, as the programming is essential for the part to function in your vehicle.
Is this BCM truly plug-and-play?
Our VIN programming makes it as close to plug-and-play as possible. The module will work with your vehicle’s specific options right out of the box. However, as noted in the description, certain systems like the airbag or brake pedal sensor may require a simple ‘relearn’ procedure with a scan tool to fully sync with the new BCM.
Do I need to return my old, faulty BCM?
No. This product comes with absolutely no core charge. You can keep your original module without any extra fees or hassle.
Will this part fit vehicles other than the 2008-2012 Savana 3500?
Yes. This BCM is compatible with a very wide range of GM cars, trucks, and vans. Please review the detailed fitment list provided on this page and match your original part number to ensure compatibility with your specific vehicle.
What tools are needed for the post-installation procedures?
The Airbag System Sync and Brake Pedal Position Relearn procedures typically require a bi-directional professional diagnostic scan tool, such as a GM Tech 2, Snap-on, or Autel scanner. Basic code readers cannot perform these functions.