Restore Full Control Over Your Truck’s Electronics
Are you dealing with baffling electrical issues in your 2010 Chevrolet Avalanche? One minute the power windows work, the next they don’t. The security light is flashing for no reason, or worse, the truck won’t start. These aren’t random glitches; they’re classic signs of a failing Body Control Module (BCM). As the central command center for your truck’s body electronics, the BCM manages everything from your interior lights and power locks to the anti-theft system. When it fails, it can create a cascade of frustrating and unpredictable problems.
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 pre-programming this BCM with the latest GM software updates, specifically matched to your vehicle’s VIN. Forget about costly towing fees or waiting for a dealership appointment. Simply provide us with your VIN after purchase, and we’ll ship a module that’s ready to restore order to your vehicle’s electrical systems. This is the most direct path to fixing those persistent gremlins and getting your truck back to being the reliable workhorse you depend on.
Case Study: A Tricky Diagnosis
A customer’s 2010 Avalanche came into the shop last week with a laundry list of complaints: the radio would cut out, the driver’s side power window was dead, and the remote key fob worked intermittently. They had already replaced the window motor and the battery with no success. A scan showed communication errors across multiple systems, but no single component was flagged as faulty. This is a tell-tale sign. In my 20+ years of experience, when you see multiple, unrelated electrical issues, the BCM is the prime suspect. It’s the common link. We installed a VIN-programmed BCM, and instantly, all the gremlins vanished. The customer was thrilled to have a fully functional truck again without chasing down a dozen different phantom issues.
Is Your Avalanche Showing These BCM Failure Signs?
- ✔ Erratic or non-functional power windows, door locks, or mirrors.
- ✔ Interior dome lights or dashboard lights staying on or not working at all.
- ✔ The security system light flashing, preventing the engine from starting.
- ✔ Horn honking unexpectedly or not working when pressed.
- ✔ Remote keyless entry failing to lock or unlock the doors.
- ✔ False warnings on the driver information center (DIC).
- ✔ Communication error codes when scanned with a diagnostic tool.
A Straightforward Guide to BCM Installation
Replacing the 2010 Avalanche Body Control Module is a manageable job for a confident DIYer. On this model, it’s typically located under the driver’s side of the dashboard, near the steering column.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait about 10-15 minutes to allow all modules to power down completely.
- Locate the BCM: Remove the lower dash panel beneath the steering wheel to gain access. The BCM is a small black box with several large multi-pin electrical connectors.
- Disconnect and Remove: Carefully unplug all electrical connectors. 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 BCM in the same location. Securely plug in all the electrical connectors, ensuring each one clicks firmly into place.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position (without starting the engine) and test all body functions: windows, locks, lights, horn, and wipers.
Important Post-Installation Steps
After installing your new 2010 Avalanche Body Control Module, a few final procedures are required to ensure all systems operate correctly and safely. These steps are crucial for full integration.
- Airbag System Reset: If your airbag warning light is on, you must perform the ‘Setup SDM Primary Key in BCM’ procedure. This requires a professional-grade diagnostic scan tool to re-establish the security handshake between the BCM and the airbag system’s Sensing and Diagnostic Module (SDM).
- Brake Pedal Position Sensor Relearn: Some vehicles may require the Brake Pedal Position (BPP) sensor to be recalibrated. This ensures the brake lights and stability control system receive accurate input from the pedal. This is also performed with a capable scan tool.
Verified Vehicle Compatibility List
This BCM is a direct replacement for a wide range of General Motors vehicles. Please verify your part number or match your specific model and year from the list below. This unit replaces 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.
- ACADIA 07-12
- AVALANCHE 1500 10 (ID 25892622)
- CAPRICE 11-13
- CAPTIVA SPORT 12
- CTS 08-13
- DTS 06-11
- ENCLAVE 08-12
- EQUINOX 07-09
- ESCALADE 10 (ID 25892622 or 20815898)
- ESCALADE ESV 10 (ID 25892622 or 20815898)
- ESCALADE EXT 10 (ID 25892622)
- 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 (ID 25892622 or 20815898)
- TAHOE 10 (ID 25892622 or 20815898)
- TORRENT 07-09
- TRAVERSE 09-12
- VUE 08-10
- YUKON 10 (ID 25892622 or 20815898)
- YUKON XL 1500 10 (ID 25892622 or 20815898)
Frequently Asked Questions
Do I really need to provide my VIN?
Yes, absolutely. Providing your Vehicle Identification Number (VIN) is essential. We use it to load the precise, vehicle-specific software and calibrations from GM. This ensures the BCM communicates perfectly with your truck’s other modules, just like the original part from the factory.
Is this a plug-and-play part?
It is as close to plug-and-play as possible. Because we pre-program it, you avoid the most difficult step. However, as noted above, you may need a scan tool for post-installation procedures like the airbag system reset and brake pedal relearn to finalize the installation and clear certain warning lights.
Will this fix my ‘Service Theft System’ message?
A faulty BCM is a very common cause of issues with the GM Passlock and Passkey anti-theft systems. If the BCM is the root cause of the problem, this programmed module will resolve that message and allow your vehicle to start reliably.
Can I install this myself?
Yes, if you have basic mechanical skills and tools, the physical replacement is straightforward. The main challenge is the potential need for a scan tool for the final relearn procedures. Many local repair shops can perform these final steps for you if you don’t have the tool.
What happens if I don’t do the airbag or brake relearn procedures?
If the airbag light is on after installation, it will stay on until the ‘Setup SDM Primary Key’ procedure is completed, meaning the airbag system may not be active. If a brake pedal relearn is required and not performed, you may experience incorrect brake light operation or issues with the traction/stability control system.