Restore Your GM’s Electrical System with a VIN-Programmed BCM
Are you chasing electrical gremlins in your 2010 Tahoe or another GM vehicle? Intermittent power windows, flickering lights, a security system that has a mind of its own, or warning messages on the dash are all classic signs of a failing Body Control Module (BCM). As the central hub for your vehicle’s body electronics, when the BCM starts to fail, it can create a cascade of frustrating and seemingly unrelated problems. This isn’t just an annoyance; it can be a serious safety issue.
This is a direct replacement Body Control Module, meticulously programmed to your vehicle’s specific VIN before it ships. Forget about expensive dealership visits, towing fees, and the hassle of programming a blank module. We handle the critical software setup for you. Simply provide your VIN during checkout, and you’ll receive a BCM that’s ready for installation, loaded with the latest GM software updates for optimal performance and reliability. This is the straightforward, professional-grade solution to get your vehicle’s features working correctly again.
From the Diagnostic Bay: The Case of the Haunted SUV
A customer brought in a 2010 Yukon XL—a close cousin to the Tahoe—with a list of bizarre complaints. The radio would randomly change stations, the driver’s side power window wouldn’t work, and the anti-theft light would stay on, sometimes preventing the car from starting. They had already replaced the window switch and the battery with no luck. After connecting my scan tool, I saw a flurry of ‘U’ codes, specifically U0140 (Lost Communication With Body Control Module). This pointed directly to the BCM. Instead of a dozen separate problems, it was one failing central computer. Installing a VIN-programmed BCM like this one resolved all issues in under an hour. It’s a perfect example of how one part can solve a multitude of problems.
Common Signs of a Failing BCM
If you’re experiencing any of these issues, a faulty BCM is the likely culprit. Over my 20+ years in the shop, these are the symptoms I see most often with a failing GM BCM.
- ✔ Erratic or non-functional power windows, door locks, and interior/exterior lights.
- ✔ The security system or keyless entry works intermittently or not at all.
- ✔ The horn honks unexpectedly or doesn’t work when needed.
- ✔ False warning lights appear on the instrument cluster (e.g., ‘Service StabiliTrak’, ‘Service Airbag’).
- ✔ Communication error codes, such as U0140, U0155, or U0164, are stored in other modules.
- ✔ Wipers activating on their own or not responding to the switch.
A Straightforward Guide to BCM Installation
Replacing the BCM is a manageable job for a confident DIYer or any professional technician. While the exact location varies, for the 2010 Tahoe, it’s typically found under the steering column.
- 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 the 2010 Tahoe, access the area under the driver’s side dashboard, near the steering column. You may need to remove a lower dash panel for clear access.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip 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 into place.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position (without starting the engine) and test the functions: windows, locks, lights, etc.
- Perform Relearn Procedures: Start the vehicle. If an airbag light or brake system warning appears, you may need to perform the post-installation procedures noted below with a compatible diagnostic tool.
Will This BCM Fit Your Vehicle?
This module is a direct replacement for a wide range of General Motors vehicles. Please verify your original part number against our comprehensive list below. This part is guaranteed to fit the following models with the specified options:
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.
Frequently Asked Questions
Frequently Asked Questions
Do I need to send my old BCM back?No. There is no core charge for this part. You can keep your original module, which can be helpful if you ever need to reference its part number.