Restore Full Functionality to Your GM Vehicle
Are you dealing with baffling electrical issues in your 2010 Tahoe or another compatible GM vehicle? Intermittent power windows, flickering dashboard lights, a security system that acts up, or doors that won’t lock properly are more than just annoyances—they’re classic signs of a failing Body Control Module (BCM). The BCM is the central nervous system for your vehicle’s comfort and convenience features. When it starts to fail, it can cause a cascade of frustrating and unpredictable problems. This isn’t just a part; it’s the solution to getting your vehicle back to normal, reliable operation.
We offer a straightforward and dependable fix. This BCM, corresponding to part number 20864768 and many others, is supplied with our professional cloning service. This means we transfer the essential data—like your VIN, mileage, and specific vehicle options—from your original BCM directly onto this replacement unit. The result is a true plug-and-play module, eliminating the need for expensive and time-consuming programming at a dealership. Get your vehicle’s electronics working harmoniously again with a reliable, correctly configured 2010 Tahoe BCM.
Common Signs of a Failing BCM
- ✔ Power windows, mirrors, or door locks operating erratically or not at all.
- ✔ Interior or exterior lights flickering, staying on, or not turning on.
- ✔ The security system or keyless entry failing to work correctly.
- ✔ Unexplained battery drain that leaves you with a dead battery.
- ✔ Warning lights on the dash, especially with communication error codes like U0140 (Lost Communication With Body Control Module).
- ✔ Horn honking randomly or not working when pressed.
A Technician’s Notebook
I remember a 2010 Yukon XL (which uses the same platform as the Tahoe) that came into the bay with a laundry list of complaints. The owner said the radio would sometimes shut off, the driver’s side power window had a mind of its own, and the anti-theft light would flash randomly, preventing the truck from starting. He had already replaced the battery and checked fuses. After connecting my scan tool, I saw a dozen communication codes pointing to the BCM. Instead of sending him to a dealer for a new, expensive module and programming, we performed a cloning service. We transferred his original data to a replacement BCM. After a 20-minute install, every single issue was gone. It’s a prime example of how a single failing module can create widespread electrical chaos, and how a properly programmed replacement is the definitive fix.
A Straightforward Guide to Your BCM Swap
- ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- ✔ Locate the BCM: On a 2010 Tahoe, the BCM is typically located under the steering column, to the left of the brake pedal. For other models, its location can vary (e.g., behind the dash), so consult a service manual if you’re unsure.
- ✔ Disconnect and Remove: Carefully unplug the electrical connectors. These usually have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket and remove it from the vehicle. This is the module you will send to us.
- ✔ Install the New BCM: Once you receive your cloned module from us, simply mount it in the same location and reconnect all the electrical connectors firmly.
Important Post-Installation Steps
Our cloning service handles the critical programming, but some vehicle systems may require a ‘handshake’ with the new BCM. Please be aware of the following potential procedures:
- Airbag System Sync: If your airbag warning light is illuminated after installation, a ‘Setup SDM Primary Key in BCM’ procedure must be performed with a compatible high-level scan tool. This syncs the BCM with the airbag system.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be needed to ensure correct brake light and traction control operation. This also requires a professional diagnostic tool.
Disclaimer: Vehicle systems vary. Always refer to a factory service manual or consult a certified mechanic for procedures specific to your vehicle.
Verified Vehicle Compatibility List
This BCM is a direct replacement for a wide range of General Motors vehicles. It is compatible 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, 25892622, 25910474, 25934762, 25934763, and 95151084. Please verify your part number or contact us with your VIN to confirm fitment for models such as:
- Acadia (2007-2012)
- Avalanche 1500 (2010)
- Captiva Sport (2012)
- CTS (2008-2013)
- DTS (2006-2011)
- Enclave (2008-2012)
- Equinox (2007-2009)
- Escalade, ESV, EXT (2010)
- Express / Savana Vans (2008-2012)
- Hummer H2 (2008-2009)
- Impala (2006-2013)
- Lucerne (2006-2011)
- Monte Carlo (2006-2007)
- Suburban 1500 (2010)
- Tahoe (2010)
- Traverse (2009-2012)
- Yukon / Yukon XL 1500 (2010)
- And many more. Please check the detailed fitment list.
Frequently Asked Questions
2010 Tahoe BCM
Do I need to send you my VIN?
While the cloning process transfers data from your old module, providing your VIN helps us double-check for any pertinent software updates from GM, ensuring your replacement has the latest, most stable software available.