Are you battling frustrating electrical gremlins in your 2008-2012 GMC Savana or Chevrolet Express van? Issues like flickering lights, malfunctioning power windows, or strange warning messages on your dash are often signs of a failing Body Control Module (BCM). The BCM is the central command center for your vehicle’s body electronics, and when it starts to fail, it can cause a wide range of confusing and seemingly unrelated problems. This replacement Body Control Module is the definitive solution to restore full functionality and reliability to your vehicle.
This isn’t just a part; it’s a complete, ready-to-install solution. We pre-program the module to your van’s specific Vehicle Identification Number (VIN) before shipping. This crucial step ensures seamless communication with your vehicle’s other electronic systems, saving you a costly trip to the dealership for programming. Simply provide your VIN at checkout, and we’ll handle the rest.
Common Symptoms of a Failing BCM
- ✔ Erratic or non-functional power windows, door locks, and mirrors.
- ✔ Interior or exterior lights that stay on, flicker, or won’t turn on at all.
- ✔ The security system or keyless entry system working intermittently.
- ✔ Unexplained warning lights on the instrument cluster, such as the airbag or ABS light.
- ✔ Climate control or A/C system behaving unpredictably.
- ✔ Diagnostic trouble codes (DTCs) related to communication errors.
- ✔ Intermittent no-start conditions where the starter won’t engage.
From the Diagnostic Bay
We had a 2011 Savana 2500 work van come into the shop that was driving the owner crazy. The dome lights would randomly stay on, draining the battery overnight. On top of that, the driver’s side power window would only work when it wanted to. The owner had already replaced the battery and the window switch with no luck. After a quick scan, we found multiple communication error codes pointing to the BCM. Instead of spending hours chasing wires, we installed a VIN-programmed 2008-2012 Savana Body Control Module. It immediately solved both the lighting and the window issue, getting the van back on the road and earning money for its owner the very next day.
Plug-and-Play Solution for Your GM Vehicle
This module is engineered as a direct-fit replacement, designed to restore your vehicle to its original factory performance. The most significant benefit is our complimentary VIN programming service. By flashing the module with the latest GM software specific to your van, we eliminate the need for expensive dealer tools and labor. Your new BCM arrives ready for installation, making the repair process as straightforward as possible.
Post-Installation Notes: While this module is programmed for your vehicle, some systems may require a simple relearn procedure after installation. For example, if the airbag warning light appears, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. Additionally, a Brake Pedal Position relearn may be necessary on some models to ensure proper brake light and traction control operation. There is no core charge for this part, so you can keep your original module.
This module is a direct replacement for an extensive list of part numbers, including: 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
Do I need to get this BCM programmed by a dealer?
No. We program the module to your vehicle’s VIN before we ship it to you. This ensures it works with your specific options and systems right out of the box, saving you time and money.
Where is the BCM located on a 2008-2012 Savana Van?
On the GMC Savana and Chevrolet Express vans from this era, the Body Control Module is typically located in the center of the dashboard, often accessible by removing dash panels.
What if my airbag light comes on after installation?
This can happen occasionally. It means the new BCM needs to be synced with the airbag system’s SDM. A professional technician will need to perform the ‘Setup SDM Primary Key in BCM’ procedure with a compatible diagnostic tool to resolve this.
Is this part difficult to install?
For someone with moderate mechanical skill, the replacement is straightforward. The main challenge is accessing its location within the dash. The key benefit is that the complex programming is already done for you.
Will this fix my power window and door lock problems?
Yes, in most cases. The BCM directly controls these functions. If your windows, locks, and lights are all acting erratically, a failing BCM is the most likely cause, and this part is the correct fix.