Is your 2008-2012 Chevy Express or GMC Savana van experiencing bizarre electrical problems? Issues like flickering lights, malfunctioning power windows and locks, a faulty security system, or even a no-start condition often point to 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 wide range of frustrating and difficult-to-diagnose symptoms.
This is a direct-fit replacement Body Control Module, part number 25934762, for a vast array of GM vehicles. The key to a successful repair is proper programming. We eliminate the hassle and expense of a dealership visit by programming this module to your vehicle’s specific VIN before we ship it. This ensures compatibility with your vehicle’s existing systems and makes installation as straightforward as possible.
Common Symptoms of a Failing BCM
- ✔ Erratic interior or exterior lights (flickering, staying on, or not working at all).
- ✔ Power windows, door locks, or mirrors operating intermittently or not at all.
- ✔ The security system engaging randomly, preventing the vehicle from starting.
- ✔ The horn honking unexpectedly.
- ✔ Instrument cluster gauges behaving erratically or going dead.
- ✔ Communication errors with other vehicle modules (DTC U-codes).
- ✔ Parasitic battery drain that kills your battery overnight.
Installing Your Express 2500 Body Control Module
This module is designed for a simple installation process. Once you provide your VIN, we handle the complex programming, loading the latest GM software updates. This means for most installations, you simply disconnect the battery, swap the old module with the new one, and reconnect the battery. However, depending on your specific vehicle and its options, some post-installation procedures may be necessary.
For example, if your airbag warning light illuminates after installation, a procedure called ‘Setup SDM Primary Key in BCM’ will be required using a professional-grade scan tool. Additionally, a ‘Brake Pedal Position Relearn’ might be needed to ensure proper function of your brake lights and traction control system. Always consult a factory service manual for detailed instructions specific to your vehicle.
This part 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.
Frequently Asked Questions
What is a Body Control Module (BCM)?
The BCM is a computer in your vehicle that controls and monitors a wide range of electronic functions not related to the engine. This includes power windows, locks, lights, wipers, the security system, and more. It acts as a central hub for these systems.
Do I need to have this BCM programmed by a dealer?
No. We program the module to your vehicle’s VIN before shipping it to you. This saves you a costly trip to the dealership and makes the installation process much simpler.
How do I provide my VIN for programming?
After you complete your purchase, you will need to send us your 17-digit Vehicle Identification Number (VIN). We will provide clear instructions on how to do this. We cannot ship your part until we receive the VIN.
What if the airbag light is on after I install the new BCM?
In some cases, the new BCM needs to be electronically introduced to the airbag system (SDM). This requires a ‘Setup SDM Primary Key in BCM’ procedure with a professional diagnostic tool to sync the modules and turn off the light.
Is this part difficult to install?
For most DIY mechanics with basic tools, the physical replacement is straightforward. It typically involves removing a few dash panels to access the module. The most important part is that our pre-programming service handles the most complex step for you.
Will this fit vehicles other than the Express 2500 Van?
Yes, absolutely. This BCM fits a very wide range of GM vehicles from 2006-2013, including the Chevy Tahoe, Impala, Traverse, GMC Acadia, Yukon, Cadillac CTS, DTS, and many more. Please check the detailed fitment list on this page to confirm compatibility.