Restore Your GM Vehicle’s Electrical System with a Plug-and-Play BCM
If you’re dealing with bizarre electrical issues in your 2010 Chevy Tahoe—like flickering lights, power windows with a mind of their own, or a security system that prevents your truck from starting—you’ve likely met the culprit: a failing Body Control Module (BCM). As a technician with over two decades of experience, I’ve seen how a faulty BCM can turn a reliable vehicle into a source of daily frustration. It acts as the central hub for your vehicle’s body electronics, and when it goes, chaos ensues.
This isn’t just a replacement part; it’s a complete, hassle-free solution. We take the biggest headache out of the repair process by programming this module specifically to your vehicle’s VIN before we ship it. This means you can bypass the expensive trip to the dealership for programming. You get a BCM loaded with the latest GM software updates, ready to install right out of the box. This is the most direct way to fix those annoying electrical gremlins and restore your vehicle’s proper function and reliability.
A Technician’s Notebook
A customer’s 2010 Tahoe came into the shop last month with a classic case of BCM failure. The dome lights wouldn’t turn off, the driver’s side power lock was dead, and the remote start worked only intermittently. The owner had already replaced the battery and checked fuses, getting nowhere. A quick scan showed multiple communication errors pointing to the BCM. Instead of a multi-day stay at a dealership, we installed one of our pre-programmed modules. The entire job, including the necessary post-install procedures, took less than an hour. The customer drove away with all functions restored, saving significant time and money.
Common Signs of a Failing GM BCM
A failing BCM can manifest in numerous ways. If your vehicle is showing these symptoms, this module is the likely solution.
- ✔ Erratic or non-functional interior and exterior lights.
- ✔ Power windows or door locks operating intermittently or not at all.
- ✔ The anti-theft or security light stays on, preventing the engine from starting.
- ✔ Dashboard warning lights appear randomly.
- ✔ Remote keyless entry fails to work properly.
- ✔ Horn sounding unexpectedly or not working when pressed.
- ✔ Communication errors with other modules when read by a diagnostic scanner.
Your Straightforward BCM Installation Guide
Installing your new 2010 Tahoe Body Control Module is a manageable job for a confident DIYer. Follow these steps carefully for a successful replacement. Remember, this module comes pre-programmed, but post-installation steps are required.
- Safety First: 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 a 2010 Tahoe, the BCM is typically located under the steering column, mounted to the left of the brake pedal assembly. You may need to remove a lower dash panel for access.
- Disconnect and Remove: Carefully unplug the 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 and remove it.
- Install the New Module: Mount your new, pre-programmed BCM in the same location and securely reconnect all the electrical connectors. Ensure they click into place.
- Reconnect Battery: Re-attach the negative battery terminal.
- CRITICAL Post-Installation Steps: After installation, two procedures are necessary. First, perform the ‘Setup SDM Primary Key in BCM’ procedure with a professional scan tool to clear the airbag light. Second, a ‘Brake Pedal Position Sensor Calibration’ may be required to ensure proper brake light function and cruise control operation.
- Verify Functionality: Start the vehicle and test all body functions: lights, locks, windows, horn, and wipers to confirm the repair was successful.
Will This BCM Fit Your Vehicle?
This module is a direct replacement for a wide range of GM cars, trucks, and SUVs. Please verify your vehicle and original part number from the list below. This part is a confirmed fit for a 2010 Tahoe Body Control Module and replaces numerous part numbers, including 15892622, 20815898, and 20864767.
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
Fitment Includes (but not limited to):
- Acadia (2007-2012)
- Avalanche 1500 (2010)
- Caprice (2011-2013)
- Captiva Sport (2012)
- CTS (2008-2013)
- DTS (2006-2011)
- Enclave (2008-2012)
- Equinox (2007-2009)
- Escalade, ESV, EXT (2010)
- Express / Savana Vans (2008-2012)
- G8 (2008-2009)
- Hummer H2 (2008-2009)
- Impala (2006-2013)
- Lucerne (2006-2011)
- Monte Carlo (2006-2007)
- Outlook (2007-2010)
- SRX (2007-2009)
- STS (2010)
- Suburban 1500 (2010)
- Tahoe (2010)
- Torrent (2007-2009)
- Traverse (2009-2012)
- Vue (2008-2010)
- Yukon / Yukon XL 1500 (2010)
Frequently Asked Questions
Do I need to do any programming after I receive this BCM?
No, the main programming is done by us before shipping. We flash the module with the latest GM software using the VIN you provide. However, you will need to perform post-installation procedures like the ‘Setup SDM Primary Key’ and possibly a ‘Brake Pedal Calibration’ using a capable scan tool.
How do I provide my VIN?
After you complete your purchase, you will need to send us your 17-digit Vehicle Identification Number (VIN). We cannot program and ship the module without it. Please double-check it for accuracy.
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 reason for these warnings and no-start conditions. This programmed module is designed to resolve that communication failure.
What tools are required for the post-installation procedures?
You will need a bi-directional diagnostic scan tool that can perform vehicle-specific functions. Basic code readers cannot perform the required SDM key setup or brake sensor calibration. Many independent repair shops have this equipment if you are not equipped for it.
Is it difficult to access the BCM on a 2010 Tahoe?
It’s generally straightforward. It’s located under the driver’s side dash, usually to the left of the steering column. Access requires removing a plastic trim panel, but it’s held in by simple clips or screws. No special tools are needed for removal.