Restore Full Functionality to Your Truck with a VIN-Programmed BCM
Are you dealing with baffling electrical issues in your 2010 Chevy Avalanche? Flickering lights, unresponsive power windows, a security light that won’t turn off, or even a no-start condition can all point to a failing Body Control Module (BCM). As the central command center for your truck’s body electronics, a faulty BCM can turn your reliable Avalanche into a source of daily frustration. Stop chasing electrical gremlins and get a definitive solution. This isn’t just a replacement part; it’s a fully programmed, plug-and-play fix tailored specifically to your vehicle.
We take the guesswork and high dealership costs out of the equation. Before we ship, our technicians will flash this BCM with the latest official GM software, using the VIN you provide at checkout. This ensures that all the specific options and features of your truck are correctly configured from the moment you install it. A new, properly working 2010 Avalanche Body Control Module is the key to restoring the seamless operation you expect from your vehicle.
A Technician’s Notebook: The Avalanche with a Mind of Its Own
A customer brought in his 2010 Avalanche 1500 last month with a list of bizarre symptoms. The radio would switch off randomly, the driver’s side window wouldn’t go down, and the anti-theft system would occasionally prevent the truck from starting. He had already replaced the battery and checked all the fuses. After connecting my scan tool, I saw multiple communication error codes pointing away from individual components and toward the central network controller. This is a classic sign of BCM failure. The internal circuits degrade over time, causing data corruption that leads to these ghost-like problems. We installed a VIN-programmed BCM, performed the quick post-install relearns, and the truck’s electrical systems were immediately stable. It’s a common repair that brings immense relief to owners.
Is Your Avalanche Showing These Symptoms?
- ✔ Erratic or non-functional power windows, door locks, or mirrors.
- ✔ Interior or exterior lights staying on or not working at all.
- ✔ The security or anti-theft light is illuminated, causing a no-start condition.
- ✔ Dashboard gauges behaving erratically or not working.
- ✔ False warnings appearing on the driver information center (DIC).
- ✔ Problems with the keyless entry or remote start system.
A Straightforward Guide to BCM Installation
Replacing the BCM in your Avalanche is a manageable job for a DIYer. On this model, it’s typically located under the steering column, accessible from the driver’s side footwell.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before working on any electronic components.
- Locate the BCM: Remove the lower dash panel beneath the steering wheel to gain access to the module. It’s a black box with several large multi-pin electrical connectors.
- Disconnect and Remove: Carefully unplug all electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt the module from its mounting bracket.
- Install the New Module: Mount your new, pre-programmed 2010 Avalanche Body Control Module in place and securely plug in all the electrical connectors. You should hear a click as they lock.
- Post-Installation Procedures: Reconnect the battery. You will now need to perform a couple of critical relearn procedures. While our programming handles the heavy lifting, your vehicle needs to sync with the new module.
Important Final Steps – Do Not Skip!
After installing your new BCM, a few final steps are required to ensure all systems operate correctly and warning lights are cleared. These procedures sync the new module with other systems in your truck.
- Airbag System Sync: The Supplemental Inflatable Restraint (SIR) system needs to recognize the new BCM. A diagnostic scan tool must be used to perform the ‘Setup SDM Primary Key in BCM’ procedure. This step is essential to clear any airbag warning lights.
- Brake Pedal Position Sensor Relearn: Some vehicles require the Brake Pedal Position Sensor to be recalibrated after a BCM replacement. This ensures the brake lights and stability control system function correctly.
- Consult Your Resources: If you are unsure about these final steps, we strongly recommend consulting a service manual for your specific vehicle or seeking assistance from a qualified mechanic to ensure safety and proper function.
Verified Vehicle Compatibility
This BCM, part number 15299986, is a direct replacement for a wide range of GM vehicles. It is compatible with the original part numbers listed below. Please verify your vehicle and options to ensure a perfect match.
Compatible 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
Fits Models Including:
- ACADIA 07-12
- AVALANCHE 1500 10
- CAPRICE 11-13
- CAPTIVA SPORT 12
- CTS 08-13
- DTS 06-11
- ENCLAVE 08-12
- EQUINOX 07-09
- ESCALADE / ESV / EXT 10
- EXPRESS VANS 08-12
- G8 08-09
- HUMMER H2 08-09
- IMPALA 06-13
- LUCERNE 06-11
- MONTE CARLO 06-07
- OUTLOOK 07-10
- SAVANA VANS 08-12
- SRX 07-09
- STS 10
- SUBURBAN 1500 10
- TAHOE 10
- TORRENT 07-09
- TRAVERSE 09-12
- VUE 08-10
- YUKON / YUKON XL 1500 10
Note: Please check the specific options listed in the original fitment data if your vehicle is not the primary 2010 Avalanche Body Control Module application.
Frequently Asked Questions
Do I need to do any programming myself?
No. We handle the programming for you before shipment. Just provide your vehicle’s VIN during checkout, and the module will arrive ready for installation, flashed with the latest GM software for your specific vehicle.
What is a BCM and what does it do?
The BCM, or Body Control Module, is a computer in your vehicle that controls and monitors most of the non-engine related electronic functions. This includes power windows, locks, lights, security system, wipers, and dashboard gauges.
Is this a simple plug-and-play installation?
Yes, the physical installation is plug-and-play. However, after installation, you must perform a couple of relearn procedures with a proper scan tool, like the ‘Setup SDM Primary Key’ for the airbag system, to ensure all systems are fully functional and no warning lights are present.
Where do I find my VIN?
Your 17-digit Vehicle Identification Number (VIN) can be found on your vehicle’s registration, insurance card, or on the driver’s side of the dashboard, visible through the windshield.
Will this fix my ‘Service Theft System’ message?
In many cases, yes. The BCM is a core part of the Passlock/Passkey anti-theft system. A failing BCM is a very common cause of this message and related no-start issues. This programmed module is designed to resolve that communication fault.