Restore Your Van’s Electrical System with a Reliable, Programmed BCM
If your 2008-2012 Savana 1500 Van is starting to act haunted—with flickering lights, power windows and locks with a mind of their own, or strange warning lights on the dash—the culprit is often a failing Body Control Module (BCM). As a technician with over two decades of experience, I’ve seen how a faulty BCM can turn a dependable workhorse into a source of constant frustration. This isn’t just an inconvenience; it can affect your vehicle’s security and safety systems. The BCM is the central command center for your van’s body electronics, and when it fails, it can cause a cascade of confusing problems.
We take the guesswork and high dealership costs out of the repair. This BCM is a direct-fit replacement, and more importantly, it arrives at your door pre-programmed to your specific vehicle. Simply provide us with your VIN after purchase, and our experts will flash the module with the latest GM software updates for your exact configuration. This means no expensive trips to the dealer for programming—a significant saving of time and money for both professional mechanics and DIY enthusiasts.
From the Diagnostic Bay: The Case of the Haunted Work Van
A local contractor brought in his ’11 Savana 2500, completely fed up. The dome lights wouldn’t turn off, the power locks worked intermittently, and the radio would sometimes shut off for no reason. He was worried he had a major wiring nightmare on his hands. After checking the basics—fuses and grounds—I connected my scan tool. It was flooded with communication error codes (U-codes) pointing to the BCM. The module was failing internally, causing it to send erratic commands across the vehicle’s network. We installed a VIN-programmed 2008-2012 Savana BCM, and within an hour, all the electrical gremlins were gone. The van was back to being a reliable tool for his business, not a source of stress.
Common Signs of a Failing BCM
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, it’s a strong indicator that your Body Control Module needs attention:
- ✔ Erratic power windows, door locks, or mirrors.
- ✔ Interior or exterior lights that stay on, flicker, or don’t work at all.
- ✔ The security system acting up or preventing the engine from starting.
- ✔ Horn honking unexpectedly or not working when pressed.
- ✔ Dashboard warning lights (like Airbag or ABS) illuminating without a clear cause.
- ✔ Communication-related Diagnostic Trouble Codes (DTCs), such as U0140, U0155, or U0164.
- ✔ Wipers operating incorrectly or not parking in the correct position.
Your Straightforward BCM Installation Guide
Replacing the BCM on your Savana or Express van is a manageable job. For most models, it’s located behind the center dash panel.
- Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- Access the Module: Carefully remove the necessary dash trim panels to gain access to the BCM. On Savana/Express vans, this is typically in the center dash area.
- Disconnect and Remove: Unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket.
- Install the New BCM: Mount your new, pre-programmed BCM in place and securely plug in all the electrical connectors. You should hear a click as they lock in.
- Post-Installation Checks: Reconnect the battery. Start the vehicle and test all body functions: lights, locks, windows, wipers, etc. Note that some vehicles may require additional steps as outlined below.
Important Post-Installation Note: While our programming handles the majority of the setup, some GM vehicles require a security or system sync procedure after installation. If the airbag light is on, an ‘Airbag System Sync’ (Setup SDM Primary Key) may be needed with a pro-level scan tool. A ‘Brake Pedal Position Relearn’ might also be required on certain models. Always consult a service manual for procedures specific to your vehicle.
Verified Vehicle Compatibility List
This Body Control Module is a direct replacement for a wide range of GM vehicles and 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, 25934762, 25934763, 95151084.
Please verify the location and ID number as specified in the detailed fitment data, as some models have variations.
Frequently Asked Questions
Frequently Asked Questions
How does the programming process work?
After you complete your purchase, you will need to send us your vehicle’s 17-digit VIN (Vehicle Identification Number). Our technicians use this VIN to load the correct factory software and vehicle-specific calibrations onto the BCM before shipping it to you.
Do I need to send my old BCM to you?
No, this is not a repair or cloning service for your original part. We program a replacement module and ship it to you. Per our policy, your original module is always returned to you along with the programmed replacement unit if you send it in by mistake. We do not require a core.
Is this a simple plug-and-play installation?
For most functions, yes. Because we pre-program the module, it will control the main features right out of the box. However, as with any BCM replacement on these GM platforms, some security or safety systems (like the airbag system) may require a ‘re-sync’ procedure with a diagnostic tool after installation.
What tools do I need for the installation?
Basic hand tools are usually all that’s required for the physical installation, such as a socket set and trim removal tools to access the module. In some cases, a professional diagnostic scan tool may be needed for post-installation procedures like the airbag system sync.
Will this fix a ‘No Start’ condition?
It can. The BCM is a critical part of the vehicle’s anti-theft and security system (Pass-Key/Pass-Lock). If it fails, it can prevent the vehicle from starting. If your no-start issue is accompanied by other electrical symptoms, a faulty BCM is a likely cause.