Are you chasing electrical gremlins in your 2008-2012 Savana 2500 Van? Intermittent power windows, flickering lights, strange warning messages, or a security system that won’t cooperate are classic signs of a failing Body Control Module (BCM). As the central command center for your van’s body electronics, a faulty BCM can make your reliable workhorse feel unpredictable and unsafe. Stop throwing parts at the problem and get the definitive solution.
This is a direct-replacement BCM, part number 25934762, that arrives at your door fully programmed to your vehicle’s specific VIN. We handle the complex part—flashing the module with the latest, most stable GM software—so you don’t have to. This eliminates the need for an expensive trip to the dealership for programming, saving you significant time and money. It’s the most straightforward way to restore full functionality to your van’s essential systems.
A Technician’s Notebook: The Case of the Haunted Work Van
A contractor brought his ’11 Savana 2500 into my shop, completely fed up. He said, “One day the dome lights stay on, the next the radio won’t turn off, and sometimes the power locks just start clicking on their own.” He’d already replaced the battery and checked all the fuses. After connecting my scan tool, I saw a handful of U-codes (communication errors) pointing to the BCM. These modules are notorious for internal solder joint failures and capacitor degradation over time, causing precisely this kind of random, frustrating behavior. We installed a VIN-programmed BCM, and all the phantom issues vanished instantly. It’s a common failure I’ve seen hundreds of times on these GM vans.
Is Your Savana Showing These Symptoms?
- ✔️ Power windows, mirrors, or door locks operating erratically or not at all.
- ✔️ Interior or exterior lights flickering, staying on, or not working.
- ✔️ The security system preventing the van from starting (security light flashing).
- ✔️ Inaccurate gauge readings or warning lights on the dash (like the airbag light).
- ✔️ Communication error codes (U-codes) stored when scanned with a diagnostic tool.
- ✔️ The radio or climate control system behaving strangely.
A Straightforward Guide to Installation
- ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- ✔ Locate the BCM: On most Savana and Express vans, the BCM is located behind the center dash panel, often near the fuse box area. You may need to remove some trim panels for access.
- ✔ 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 old module and remove it.
- ✔ Install the New Module: Mount your new, pre-programmed BCM in the same location. Reconnect all electrical harnesses firmly, ensuring they click into place.
- ✔ Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position and test all functions: lights, locks, windows, radio, etc.
Important Post-Installation Information
While this module is delivered ready for your vehicle, certain security and safety systems may require a ‘handshake’ procedure after installation. This is normal for many modern vehicles.
- Airbag System Sync: If the airbag warning light is illuminated after installation, a ‘Setup SDM Primary Key in BCM’ procedure is needed. This requires a professional-grade scan tool to sync the new BCM with the airbag system.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration might be necessary to ensure correct brake light and traction control operation.
- No Core Charge: You are not required to send your old BCM back to us. There is no core charge or deposit associated with this purchase.
Verified Vehicle Compatibility
This BCM is a direct replacement for part number 25934762 and is compatible with a wide range of GM vehicles. It interchanges 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, 25934763, and 95151084. Please verify your specific model and options below.
AVALANCHE 1500 10 Body Control (BCM); (under steering column), ID 25892622
CAPRICE 11-13 Body Control (BCM)
CAPTIVA SPORT 12 Body Control (BCM); (center dash), ID 20921435, 20921436, 22860591
CTS 08-13 Body Control (BCM); LH dash
DTS 06-11 Body Control (BCM); (RH center dash)
ENCLAVE 08-12 Body Control (BCM); (LH dash)
EQUINOX 07-09 Body Control (BCM); (center dash)
ESCALADE 10 Body Control (BCM); (under steering column), ID 20815898, 25892622
ESCALADE ESV 10 Body Control (BCM); (under steering column), ID 20815898, 25892622
ESCALADE EXT 10 Body Control (BCM); (under steering column), ID 25892622
EXPRESS 1500 VAN 08-12 Body Control (BCM); (center dash)
EXPRESS 2500 VAN 08-12 Body Control (BCM)
EXPRESS 3500 VAN 08-12 Body Control (BCM)
G8 08-09 Body Control (BCM); (center dash)
HUMMER H2 08-09 Body Control (BCM); (LH firewall)
IMPALA 06-13 Body Control (BCM); (LH dash)
LUCERNE 06-11 Body Control (BCM); (right side dash)
MONTE CARLO 06-07 Body Control (BCM); (LH steering column)
OUTLOOK 07-10 Body Control (BCM); (center dash)
SAVANA 1500 VAN 08-12 Body Control (BCM); (center dash)
SAVANA 2500 VAN 08-12 Body Control (BCM)
SAVANA 3500 VAN 08-12 Body Control (BCM)
SRX 07-09 Body Control (BCM); LH dash
STS 10 Body Control (BCM); center dash
SUBURBAN 1500 10 Body Control (BCM); (under steering column), ID 20815898, 25892622
TAHOE 10 Body Control (BCM); (under steering column), ID 20815898, 25892622
TORRENT 07-09 Body Control (BCM); (center dash)
TRAVERSE 09-12 Body Control (BCM); (LH dash)
VUE 08-10 Body Control (BCM); (center dash)
YUKON 10 Body Control (BCM); (under steering column), ID 20815898, 25892622
YUKON XL 1500 10 Body Control (BCM); (under steering column), ID 20815898, 25892622
Frequently Asked Questions
How does the VIN programming work?
After you place your order, you will need to provide us with your vehicle’s 17-digit VIN. Our technicians use this VIN to load the correct GM-certified software and vehicle-specific settings onto the BCM before it ships. This ensures it communicates properly with your van’s other modules.
Is this a plug-and-play part?
For most core functions, yes. Because it’s pre-programmed, it will restore control over lights, locks, and windows immediately. However, as noted, some vehicles may require an additional relearn procedure for the airbag or brake pedal position systems, which requires a professional scan tool.
Will this fix my ‘Service Airbag’ light?
If the BCM is the cause of the light, this part will resolve the issue. However, after installation, the ‘Setup SDM Primary Key in BCM’ procedure must be performed with a capable scan tool to clear the light and ensure the system is properly synced.
Do I need to send my old BCM back?
No. We do not require a core return for this part. You can keep your original module.
How do I find my original part number to confirm fitment?
The part number is printed on a sticker on the case of your existing BCM. While this module replaces many part numbers, checking yours is a good way to be certain. If you can’t find it, just ensure your vehicle’s year, make, and model match our compatibility list.