Restore Full Functionality to Your Savana Van
If your 2008-2012 GMC Savana 2500 is acting possessed—with flickering lights, erratic gauges, power windows and locks with a mind of their own, or even a frustrating no-start condition—a failing Body Control Module (BCM) is the likely culprit. As the central nervous system for your van’s body electronics, a faulty BCM can bring your work or travels to a grinding halt. This isn’t just an inconvenience; for a work van, it’s lost time and money. We offer a reliable, straightforward solution: a replacement BCM, part number 15921352, delivered to your door fully programmed and ready for installation.
Forget about expensive dealership visits and the hassle of towing your vehicle for programming. Simply provide us with your van’s Vehicle Identification Number (VIN) after purchase, and our team of experts will flash the module with the latest, most stable GM software specific to your vehicle’s configuration. This ensures seamless integration and restores all electronic functions to factory specifications. This is the most efficient way to get your reliable workhorse back on the road.
A Technician’s Notebook: The Intermittent Gremlin
I once had a 2011 Savana 2500 in my bay that was driving the owner crazy. It would randomly refuse to start, the security light would flash, and sometimes the radio would just die. He’d already replaced the battery and checked the alternator. After hooking up my scan tool, I saw a slew of U-codes (communication errors) pointing to the BCM. The module wasn’t failing completely; it was failing intermittently, which is often harder to diagnose. By swapping in a pre-programmed BCM, we solved all the issues in under an hour. This is a classic failure mode for these modules, and a direct replacement like this is the definitive fix.
Is Your Savana Van Showing These Electrical Gremlins?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, it’s a strong indicator that your module needs replacement. Getting a proper diagnosis with a professional scan tool can confirm the issue, often revealing communication DTCs like U0140, U0155, or U0100.
- ✔️ Power windows, mirrors, or door locks operating intermittently or not at all.
- ✔️ Interior or exterior lights flickering, staying on, or not working.
- ✔️ The security or anti-theft system preventing the engine from starting.
- ✔️ Unexplained battery drain that leaves you with a dead battery overnight.
- ✔️ Warning lights (like ABS or Airbag) illuminating on the dashboard for no reason.
- ✔️ Gauges on the instrument cluster behaving erratically or not working.
- ✔️ The horn sounding randomly or not working when pressed.
Your Straightforward BCM Installation Guide
Replacing the BCM in your Savana van is a manageable job for a DIYer with basic tools. For the 2008-2012 Savana 2500, the BCM is typically located in the center dash area. While this is a general guide, always refer to a service manual for your specific model year.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait at least 10-15 minutes to allow all systems to power down completely.
- Access the Module: Carefully remove the necessary dash trim panels to gain access to the BCM. It’s usually mounted to a bracket and has several large electrical connectors.
- Disconnect and Remove: Take a photo of the connector orientation for reference. Then, carefully release the locking tabs on each electrical connector and unplug them from the old BCM. Unbolt the module from its mounting bracket and remove it from the vehicle.
- Install the New BCM: Mount your new, pre-programmed BCM onto the bracket. Reconnect all electrical connectors, ensuring they click securely into place.
- Reassemble and Reconnect: Reinstall the dash trim panels. Reconnect the negative battery terminal.
- Perform Relearn Procedures: Start the vehicle. In some cases, you may need to perform additional relearn procedures. If the airbag light is on, an “Airbag System Sync” (Setup SDM Primary Key) may be needed with a high-end scan tool. A “Brake Pedal Position Relearn” might also be required for proper brake light and traction control operation.
Disclaimer: This is a simplified guide. Post-installation procedures can vary. We always recommend consulting a factory service manual or a certified technician if you are unsure about any step.
Verified Compatibility for Your GM Vehicle
This Body Control Module is a direct replacement for a wide range of GM vehicles and part numbers. Please verify that your vehicle and original part number are listed below. This module is guaranteed to be compatible 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, 25847588, 25847589, 25892622, 25910474, 25934762, 25934763, and 95151084.
This part will fit these makes and models with these options:
Note: Specific options and IDs may apply. Please match your part number or contact us with your VIN to confirm fitment.