Are you experiencing a host of bizarre electrical issues in your GM van or SUV? Problems like flickering lights, malfunctioning power locks, erratic climate controls, or a persistent ‘Service Theft System’ warning are often symptoms of a failing Body Control Module (BCM). The BCM acts as the central hub for your vehicle’s body electronics, and when it malfunctions, it can make your vehicle frustrating to operate. This replacement Body Control Module is the definitive solution, arriving pre-programmed to your vehicle’s specific VIN for a seamless installation process.
From the Diagnostic Bay
We recently had a 2011 Savana 2500 work van in the shop that was driving the owner crazy. The horn would honk randomly, the interior lights wouldn’t turn off, and the radio would switch stations on its own. The owner had already replaced the battery and checked all the fuses. After connecting our diagnostic scanner, we saw multiple communication errors pointing towards the BCM. Instead of a costly and time-consuming repair at the dealership, we installed one of our VIN-programmed modules. In less than an hour, every single electrical gremlin was gone, and the van was back on the road, fully operational.
Common Symptoms of a Failing BCM
- ✔ Power windows, mirrors, or locks operating intermittently or not at all.
- ✔ Interior dome lights or exterior headlights flickering, staying on, or failing to illuminate.
- ✔ Instrument cluster displaying false warnings or behaving erratically.
- ✔ The anti-theft or security system preventing the vehicle from starting.
- ✔ Inconsistent or non-functional heating and A/C controls.
- ✔ Radio or infotainment system turning on/off or malfunctioning.
- ✔ Unresponsive key fob commands.
Your Pre-Programmed Savana 2500 Body Control Module
Forget the hassle and expense of a dealership visit. This isn’t a generic, one-size-fits-all part. When you place your order, you provide us with your vehicle’s VIN. Our technicians then flash the module with the latest official GM software specifically for your vehicle’s configuration. This critical step ensures that all the options your vehicle was built with—from power sliding doors to specific lighting packages—will function correctly right out of the box. This VIN-specific programming is the key to a successful and straightforward repair.
Post-Installation Procedures
While our programming handles the heavy lifting, some GM vehicles may require a simple ‘relearn’ or ‘sync’ procedure after the new BCM is installed. This is standard for certain integrated systems. Most commonly, you may need to perform an Airbag System Sync if the airbag light appears, or a Brake Pedal Position Relearn. These procedures can typically be performed by any professional auto shop with a capable diagnostic tool and ensure all safety systems are communicating correctly with the new Savana 2500 Body Control Module.
This BCM is a direct replacement for 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
Extensive Vehicle Compatibility:
This module fits a wide range of GM vehicles, including but not limited to: Acadia, Avalanche, Caprice, Captiva Sport, CTS, DTS, Enclave, Equinox, Express Van, G8, Hummer H2, Impala, Lucerne, Monte Carlo, Outlook, Savana Van, SRX, STS, Suburban, Tahoe, Torrent, Traverse, Vue, and Yukon models. Please verify the part number or consult the fitment list to ensure compatibility.
Frequently Asked Questions
Why do I need to provide my VIN?
We program the BCM with the latest GM software specific to your vehicle’s VIN. This ensures all the features and options your van came with from the factory will work correctly with the new module, avoiding a trip to the dealer.
Is this installation plug-and-play?
Mostly, yes. Because we pre-program it, you can install it without needing initial dealer programming. However, some models may require minor ‘relearn’ procedures for systems like the airbags or brake pedal sensor, which can be done by a qualified mechanic.
Will this fix my ‘Service Theft System’ light?
A faulty BCM is a very common cause of this warning. Replacing it with our programmed module often resolves this issue by correctly syncing the vehicle’s security components.
Do I need to return my old BCM?
No, there is no core charge for this part. You can keep or dispose of your original module.
Where is the BCM located on my Savana or Express van?
On most 2008-2012 Savana and Express vans, the BCM is located behind the dashboard, typically in the center console area. Access usually involves removing lower dash panels. We always recommend consulting a factory service manual for precise location and replacement instructions.