Restore Your Truck’s Brain and End Electrical Frustration
If your 2010 Chevy Avalanche is acting possessed—with flickering lights, malfunctioning power windows, a haywire security system, or intermittent no-start conditions—you’re likely dealing with a failing Body Control Module (BCM). As the central nervous system for your truck’s electronics, when the BCM falters, it creates a cascade of confusing and frustrating problems. This isn’t just an annoyance; it can compromise your vehicle’s safety and reliability. We offer a direct, dependable solution: a replacement Body Control Module, part number 25892622, professionally programmed to your vehicle’s specific VIN before it ever leaves our facility.
A Technician’s Notebook
I recently had a 2010 Tahoe—which shares the same platform as your Avalanche—in my bay with a classic case of BCM failure. The owner was chasing his tail, replacing batteries and checking grounds. The dash lights would randomly flicker, the radio would cut out, and sometimes the truck just wouldn’t crank. A scan tool showed a slew of ‘U’ codes, specifically a U0140 (Lost Communication With Body Control Module). This is a dead giveaway. After confirming power and ground to the module were solid, we knew the BCM itself was the culprit. Swapping in a pre-programmed module like this one had the truck back to 100% functionality in under an hour, saving the customer hundreds in dealer diagnostic and programming fees.
Is Your Avalanche Showing These Symptoms?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, this module is the likely solution your vehicle needs.
- ✔ Unpredictable power door lock or window operation
- ✔ Interior or exterior lights staying on, flickering, or not working at all
- ✔ Horn sounding randomly or not working when pressed
- ✔ The security system preventing the vehicle from starting
- ✔ Inaccurate or dead gauges on the instrument cluster
- ✔ Communication error codes, such as U0140, U0155, or other U-codes
- ✔ Erratic behavior from the heating and A/C controls
Your Straightforward Installation Guide for the 2010 Avalanche 1500 BCM
Installing your new BCM is a manageable job for a confident DIYer. The key is our VIN-programming service, which eliminates the most complex step. While specific steps can vary, here is a general guide for a 2010 Avalanche.
- 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 the 2010 Avalanche, the BCM is typically located under the driver’s side of the dashboard, near the steering column. You may need to remove a lower dash panel for access.
- Disconnect and Remove: Carefully unplug the multiple electrical connectors from the old BCM. They have locking tabs that must be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket.
- Install the New Module: Mount your new, pre-programmed BCM in the same location. Securely plug in all the electrical connectors, ensuring each one clicks firmly into place.
- Reconnect Power: Re-attach the negative battery terminal.
- Perform Post-Install Procedures: Start the vehicle and check for proper function of lights, locks, windows, and other accessories. As noted below, some vehicles may require additional relearn procedures for the airbag or brake systems, which may require a professional scan tool.
Important Post-Installation Notes
Our programming handles the majority of the setup, but due to the complex integration of modern vehicle systems, a couple of additional steps might be necessary:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a ‘Setup SDM Primary Key in BCM’ procedure is needed. This syncs the new BCM with the airbag system and requires a professional-grade diagnostic tool.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration may be required to ensure correct brake light and traction control operation.
- No Core Charge: You are not required to return your old module. There is no core charge or deposit associated with this purchase.
Verified Vehicle Compatibility
This BCM, identified by part number 25892622, is a direct replacement for a wide range of General Motors vehicles. It is interchangeable 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, 25910474, 25934762, 25934763, and 95151084.
It fits many models, including but not limited to:
- AVALANCHE 1500 (2010): Body Control (BCM); (under steering column), ID 25892622
- TAHOE / YUKON (2010): Body Control (BCM); (under steering column), ID 25892622 or 20815898
- ESCALADE / ESV / EXT (2010): Body Control (BCM); (under steering column), ID 25892622 or 20815898
- SUBURBAN 1500 (2010): Body Control (BCM); (under steering column), ID 25892622 or 20815898
- ACADIA / ENCLAVE / TRAVERSE (2007-2012): Body Control (BCM); (LH dash)
- IMPALA (2006-2012): Body Control (BCM); (LH dash)
- EXPRESS / SAVANA VANS (2008-2012): Body Control (BCM); (center dash)
- And many more. Please verify your part number or contact us with your VIN to confirm fitment.
Frequently Asked Questions
Do I need to do any programming myself?
No. We handle the programming for you. After you purchase, simply provide us with your vehicle’s VIN, and we will flash the module with the latest GM software specific to your truck before shipping.
Is this a plug-and-play part?
For most functions, yes. Because it arrives programmed, it will restore control over lights, windows, and other body functions upon installation. However, some vehicles may require a security relearn or a sync procedure for the airbag system, which may need a capable scan tool.
What is a core charge?
A core charge is a deposit that is returned to you when you send back your old part. We do not have a core charge on this BCM, so you can keep your original module.
Will this fix communication error codes like U0140?
Yes. If the BCM itself is the source of the failure, replacing it with this functional, programmed unit will restore communication on the data network and resolve codes like U0140 (Lost Communication With Body Control Module).
Where is the BCM located on my 2010 Avalanche?
The Body Control Module on a 2010 Chevrolet Avalanche 1500 is typically found under the driver’s side dashboard, attached to a bracket near the steering column.