Restore Full Control Over Your GM Vehicle’s Electronics
Are you chasing down frustrating electrical gremlins in your 2010 GMC Yukon? One minute the power windows work, the next they don’t. Maybe your dash lights flicker randomly, the security system acts up, or you’re dealing with a no-start condition that leaves you stranded. These aren’t just annoyances; they’re classic signs of a failing Body Control Module (BCM). As the central computer for your vehicle’s comfort and convenience features, a faulty BCM can cause widespread, unpredictable issues. This isn’t a part you can ignore.
This is your direct, reliable solution. We offer a genuine OEM-spec Body Control Module that replaces part number 20864768 and many others. The best part? We eliminate the biggest headache of BCM replacement: programming. Simply provide us with your vehicle’s VIN during checkout, and our technicians will flash this module with the latest GM software specific to your Yukon. It arrives at your door ready for installation, saving you a costly trip to the dealership and hours of diagnostic frustration. This is the definitive fix for a 2010 Yukon BCM that gets you back on the road with confidence.
A Technician’s Notebook: The Case of the Haunted SUV
Just last month, a 2010 Yukon was towed into my bay. The owner was at his wit’s end. He said, “It’s like the truck is haunted! The radio turns on by itself, the door locks cycle while I’m driving, and yesterday the interior lights wouldn’t turn off all night, draining the battery.” A quick scan showed a dozen communication codes pointing back to the BCM. We’ve seen this hundreds of times; internal circuit board corrosion from moisture or simple component fatigue causes the BCM to send erratic signals. We installed one of our VIN-programmed modules, performed the quick security relearn, and all the “hauntings” disappeared instantly. The customer was thrilled to have his reliable truck back without a massive dealer bill.
Common Signs of a Failing BCM
- ✔ Intermittent or non-functional power windows, door locks, and mirrors.
- ✔ Erratic dashboard lights, including the security or airbag warning light.
- ✔ The horn sounding unexpectedly or not working at all.
- ✔ HVAC (heating and air conditioning) controls not responding correctly.
- ✔ A no-start or intermittent starting condition where the engine cranks but won’t fire up.
- ✔ Rapid battery drain while the vehicle is parked.
- ✔ Communication errors with other vehicle modules when using a diagnostic scan tool.
Your Straightforward BCM Installation Guide
Installing your new 2010 Yukon BCM is a manageable job for a DIYer with basic tools. The module is typically located under the driver’s side of the dashboard.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before working on any electronic components.
- Locate the BCM: On most GMT900 platform trucks like the Yukon and Tahoe, the BCM is mounted to the left of the steering column, often behind a lower dash panel.
- Disconnect and Remove: Carefully unplug the electrical connectors. They have locking tabs that need to be depressed. Once disconnected, unbolt the module from its mounting bracket.
- Install the New Module: Bolt the new, pre-programmed BCM into place and securely reconnect all electrical connectors. Ensure they click into place.
- Reconnect Battery: Reattach the negative battery terminal.
- Post-Installation Procedures: After installation, you MUST perform a few key procedures. For many GM vehicles, this includes the ‘Setup SDM Primary Key in BCM’ to clear the airbag light and a ‘Brake Pedal Position Sensor Calibration’. These steps require a capable bidirectional scan tool. You may also need to perform a simple security relearn procedure, which can often be done without special tools.
Verified Fitment for Your GM Vehicle
This Body Control Module is a direct replacement for a wide range of General Motors vehicles. While this is the primary part for a 2010 Yukon BCM, please verify your part number and check the list below. It is compatible with 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 such as: Acadia (07-12), Avalanche (10), Caprice (11-13), Captiva Sport (12), CTS (08-13), DTS (06-11), Enclave (08-12), Equinox (07-09), Escalade / ESV / EXT (10), Express/Savana Vans (08-12), G8 (08-09), Hummer H2 (08-09), Impala (06-13), Lucerne (06-11), Monte Carlo (06-07), Outlook (07-10), SRX (07-09), STS (10), Suburban (10), Tahoe (10), Torrent (07-09), Traverse (09-12), Vue (08-10), Yukon / Yukon XL (10).
Frequently Asked Questions
What exactly does a Body Control Module do?
The BCM is the main computer responsible for managing your vehicle’s non-engine-related functions. This includes power windows, locks, seats, interior/exterior lighting, security system, wipers, and HVAC controls. It acts as a central hub, communicating with various switches and sensors to operate these features.
Why do you need my VIN to program the BCM?
Your Vehicle Identification Number (VIN) contains specific information about your vehicle’s factory-installed options. We use the VIN to load the exact software and calibrations your 2010 Yukon requires for all its features to work correctly. This ensures 100% compatibility and avoids the need for dealer programming.
Is this part truly ‘plug and play’?
It is as close as you can get. The programming we perform beforehand handles the most difficult part. However, after physical installation, you will need to perform a security relearn and potentially other minor calibrations (like for the airbag system or brake pedal sensor) with a diagnostic tool to sync the new BCM with your vehicle’s other modules. This is a standard procedure for any BCM replacement.
Will this BCM fix my airbag light?
If the airbag light is on due to a communication fault with the old BCM, this new module can resolve the root cause. However, after installation, you must perform the ‘Setup SDM Primary Key in BCM’ procedure with a professional scan tool to re-establish the link between the airbag system (SDM) and the new BCM. This final step is required to turn off the light.
Can I install this myself?
Yes, a person with moderate mechanical skill can physically install the BCM. It’s typically held in by a few bolts and has several plug-in connectors. The main consideration is access to a bidirectional scan tool for the post-installation calibration procedures to ensure all systems, especially safety-related ones, function correctly.