Restore Your Van’s Electrical Systems with a Reliable, Programmed BCM
Are you chasing down frustrating electrical gremlins in your 2008-2012 GMC Savana 2500? From flickering interior lights and malfunctioning power windows to a security system that acts up for no reason, a failing Body Control Module (BCM) can turn your dependable workhorse into a source of constant headaches. 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 bizarre and unpredictable symptoms. Stop throwing parts at the problem and get the definitive fix.
This is a direct-fit replacement Body Control Module, part number 15948438, that arrives at your door fully programmed to your vehicle’s specific VIN. This means you can skip the expensive trip to the dealership for programming. We handle the complex part, loading the latest GM software updates onto the module before it ships. All you need to do is provide your VIN after purchase, and we’ll deliver a component that’s ready for installation right out of the box.
A Technician’s Notebook: The Work Van That Wouldn’t Cooperate
I remember a 2011 Savana 2500 that came into my bay with a list of complaints as long as my arm. The driver said the radio would randomly shut off, the dome light would stay on, and occasionally, the power door locks wouldn’t respond. He’d already replaced the battery and checked all the fuses. A scan showed a handful of U-codes (communication errors) pointing to a network issue. After isolating other modules, we pinpointed the BCM. Water intrusion from a leaky windshield cowl seal had caused corrosion on the BCM’s internal board—a common failure point I’ve seen on dozens of these vans. Installing a pre-programmed BCM like this one had the van’s electronics working perfectly in under an hour, getting a critical work vehicle back on the job.
Is Your Savana Showing These Symptoms?
A failing BCM can manifest in many ways. If you’re experiencing any of the following, this module is likely the solution you need:
- ✔ Erratic or non-functional power windows, door locks, or mirrors.
- ✔ Interior or exterior lights that stay on, flicker, or don’t work at all.
- ✔ The security or anti-theft system preventing the vehicle from starting.
- ✔ Horn honking unexpectedly or not working when pressed.
- ✔ Intermittent warning lights on the dashboard with no other apparent cause.
- ✔ Communication error codes (U-codes) when scanned with a diagnostic tool.
A Straightforward Guide to Your BCM Installation
Installing your new 2008-2012 Savana 2500 BCM is a manageable job for a DIYer with basic tools. For Savana and Express vans, the BCM is typically located in the center dash area, often accessible after removing a few trim panels.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes to ensure all systems are powered down.
- Locate the BCM: On your Savana van, access the center dash. You may need to remove the glove box or lower dash panels to get a clear view of the module.
- 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 from its mounting bracket.
- Install the New Module: Mount your new, pre-programmed BCM in the same location and securely plug in all the electrical connectors. You should hear a ‘click’ as they lock into place.
- Power Up: Reconnect the negative battery terminal. Turn the ignition to the ‘On’ position (without starting the engine) and test all body functions: lights, locks, windows, radio, etc.
- Perform Relearns (If Needed): In some cases, you may need to perform additional procedures. If the airbag light is on, an “Airbag System Sync” is required using a pro-level scan tool. A “Brake Pedal Position Relearn” might also be necessary for proper brake light and traction control operation.
Important Note: We make this process simple with NO CORE CHARGE. You don’t have to worry about the cost or hassle of sending your old, faulty module back to us.
Verified Vehicle Compatibility
This Body Control Module is a direct replacement for a wide range of GM vehicles and interchanges with numerous part numbers, ensuring a perfect fit. While this listing is focused on the 2008-2012 Savana 2500 BCM, it also fits the models below. Please verify your part number or contact us with your VIN to confirm compatibility.
Fits Select Models Including: Acadia (07-12), Avalanche (10), Caprice (11-13), Captiva Sport (12), CTS (08-13), DTS (06-11), Enclave (08-12), Equinox (07-09), Escalade/ESV/EXT (10), Express/Savana Vans (08-12), G8 (08-09), Hummer H2 (08-09), Impala (06-13), Lucerne (06-11), Monte Carlo (06-07), Outlook (07-10), SRX (07-09), STS (10), Suburban (10), Tahoe (10), Torrent (07-09), Traverse (09-12), Vue (08-10), Yukon/Yukon XL (10).
Frequently Asked Questions
Frequently Asked Questions
Do I really not need to take this to a dealer for programming?
That’s correct. We program the module to the VIN you provide before shipping it. This saves you time and the typical $100-$200 programming fee charged by dealerships.
What happens if my airbag light comes on after installation?
This can happen occasionally. It requires a specific procedure called ‘Setup SDM Primary Key in BCM’ to be performed with a professional-grade diagnostic tool to sync the airbag system with the new BCM.
Is this a difficult part for a DIYer to install?
For most individuals with basic mechanical skills and tools, this is a very manageable installation. The primary challenge is accessing the module’s location within the dash. The actual swap is just a few bolts and connectors.
What is a ‘core charge’ and why don’t you have one?
A core charge is a deposit you pay until you return your old part. We’ve eliminated this to make your purchase simpler and more affordable. You can keep or dispose of your old module without any penalty.
Will this fix a ‘Service StabiliTrak’ or ‘Traction Control’ warning?
In some cases, yes. The BCM communicates with the traction control system. If a faulty BCM is the root cause, this part can resolve it. A Brake Pedal Position Relearn may be needed after installation to ensure the system functions correctly.