Are you battling bizarre electrical problems in your GM vehicle? Flickering lights, malfunctioning power windows, a temperamental security system, or warning lights that won’t go away are all classic signs of a failing Body Control Module (BCM). The BCM is the central command center for your vehicle’s body electronics, and when it fails, it can cause a cascade of frustrating and difficult-to-diagnose issues. Restore full functionality and peace of mind with our pre-programmed BCM, a direct-fit solution for part number 20935349 and many others.
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take the hassle and expense out of the repair by programming the module to your vehicle’s specific VIN before it ships. This means no costly trips to the dealership for programming. Simply provide us with your VIN at checkout, and we’ll load the latest GM software updates, ensuring optimal performance and compatibility.
Common Symptoms of a Failing BCM
- ✔ Erratic or non-functional interior and exterior lights.
- ✔ Power windows, locks, or mirrors not working correctly.
- ✔ Vehicle security system faults or alarm sounding unexpectedly.
- ✔ Horn honking randomly or not working at all.
- ✔ Instrument cluster gauges behaving erratically or displaying warning lights.
- ✔ Communication errors with other vehicle modules (DTC U-codes).
- ✔ Engine starting issues related to the anti-theft system.
Why Choose Our Pre-Programmed Savana 3500 Body Control Module?
This module is the definitive fix for a faulty BCM in your 2008-2012 GMC Savana 3500 Van and a wide array of other GM models. By providing your VIN, you receive a unit that is truly plug-and-play for the core functions of your vehicle. While most installations are straightforward, some vehicles may require a simple relearn procedure for specific systems like the airbag or brake pedal position sensor, which can be performed with a professional scan tool. This module is a reliable and cost-effective alternative to dealer service.
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.
This part fits a wide range of GM vehicles, including: Acadia, Avalanche, Caprice, Captiva Sport, CTS, DTS, Enclave, Equinox, Escalade, Express Van, G8, Hummer H2, Impala, Lucerne, Monte Carlo, Outlook, Savana Van, SRX, STS, Suburban, Tahoe, Torrent, Traverse, Vue, and Yukon.
Frequently Asked Questions
Do I need to program this BCM?
No. We pre-program the module to your vehicle’s VIN before shipping. It arrives ready for installation, saving you a trip to the dealership.
How do I provide my VIN number?
You can add your vehicle’s 17-digit VIN in the order notes during checkout. If you forget, we will contact you via email to request it before we program and ship your part.
What if the airbag light is on after I install the new BCM?
In some cases, the new BCM needs to be synced with the airbag system. This requires a ‘Setup SDM Primary Key in BCM’ procedure, which can be done by a repair shop with a professional-grade diagnostic tool.
My original part number is on your list, but it’s not 20935349. Will this work?
Yes. All the part numbers listed are interchangeable. This module serves as a direct replacement for all of them and will be programmed with the latest software for your specific vehicle.
Do I need to send my old BCM back?
No. There is no core charge for this part. You can keep your original module.
What tools are needed for installation?
Basic hand tools are typically all that’s needed to physically swap the module. However, as noted, a professional scan tool may be required for post-installation procedures like the airbag sync or brake pedal position relearn, depending on your specific model.