Restore Full Functionality to Your GM Truck or SUV
Are you battling a storm of bizarre electrical problems in your 2010 Cadillac Escalade EXT? One minute the power windows work, the next they don’t. The security light flashes for no reason, or worse, the vehicle won’t start at all. These aren’t random glitches; they’re classic signs of a failing Body Control Module (BCM). As the central command for your vehicle’s body electronics, a faulty BCM can create chaos. This isn’t just an annoyance—it can affect safety systems and leave you stranded. This replacement BCM is the definitive, reliable solution to restore order and get your vehicle operating as it should.
A Technician’s Notebook
I remember a 2010 Yukon Denali—which shares its platform with the Escalade—that came into my shop with a laundry list of complaints from the owner. The radio would turn off, the door locks would cycle while driving, and the “Service Stabilitrak” message appeared intermittently. The owner had already replaced the battery and checked grounds. After hooking up my scan tool, I saw multiple communication loss codes (U-codes) pointing to the BCM. Instead of a complex wiring chase, we started with the most common point of failure. Installing a VIN-programmed BCM like this one solved every single issue in one go. It’s a common failure, and a pre-programmed module is the most efficient fix, saving hours of diagnostic and programming time.
Common Signs of a Failing BCM
If your vehicle is exhibiting these symptoms, a failing BCM is the most likely culprit. Don’t chase individual issues when one part could be the root cause.
- ✔ Intermittent or non-functional power windows, door locks, or interior lighting.
- ✔ The security or anti-theft light stays on, preventing the engine from starting.
- ✔ False warnings on the instrument cluster (e.g., Door Ajar, Service Airbag).
- ✔ Erratic behavior from the radio or climate control system.
- ✔ Diagnostic Trouble Codes (DTCs) related to communication errors, such as U0100, U0140, or other U-series codes.
- ✔ Inconsistent remote key fob operation.
Your Straightforward Installation Guide
For the 2010 Escalade EXT, the BCM is located under the driver’s side of the dashboard. While professional installation is always an option, a confident DIYer can handle this job.
- Safety First: Disconnect the negative terminal from your vehicle’s battery and wait a few minutes to ensure all systems are powered down.
- Access the Module: Remove the lower dash panel beneath the steering column to gain access to the BCM. It’s typically mounted to a bracket with several large electrical connectors.
- Swap the BCM: Carefully unplug all wiring harnesses from the old BCM. Note their orientation. Unbolt or unclip the old module from its mounting location and set it aside.
- Install the New Module: Mount your new, pre-programmed BCM in the same spot. Securely reconnect all wiring harnesses. Ensure each connector clicks firmly into place.
- Reconnect and Test: Re-install the dash panel. Reconnect the negative battery terminal. Turn the key to the ‘On’ position (without starting) and test all body functions: windows, locks, lights, and radio.
- Post-Installation Checks: Start the vehicle. If an airbag light appears or brake system warnings are present, a specific relearn procedure may be required (see below).
Important Post-Installation Information
Our VIN-programming handles the majority of the setup, but due to the complexity of modern vehicle systems, some models may require additional steps after installation:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a ‘Setup SDM Primary Key in BCM’ procedure is necessary. This requires a professional-grade scan tool to sync the new BCM with the airbag system.
- Brake Pedal Position Relearn: On some vehicles, a brake pedal position sensor relearn might be needed to ensure correct operation of the brake lights and traction control system.
Verified Vehicle Compatibility
This BCM is a direct replacement for a wide range of GM vehicles and part numbers, ensuring a perfect fit and function. We program it specifically for your vehicle’s VIN. This module fits 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, 95151084.
It is compatible with models including, but not limited to:
- Cadillac Escalade, ESV, EXT (2010)
- Chevrolet Avalanche, Suburban, Tahoe (2010)
- GMC Yukon, Yukon XL (2010)
- Chevrolet Express & GMC Savana Vans (2008-2012)
- Buick Enclave (2008-2012) & Lucerne (2006-2011)
- Cadillac CTS (2008-2013), DTS (2006-2011), SRX (2007-2009)
- Chevrolet Impala (2006-2013) & Traverse (2009-2012)
- GMC Acadia (2007-2012)
- And many more. Please verify your part number.
Frequently Asked Questions
What does “VIN-Programmed” mean for me?
It means we load the module with your vehicle’s specific software using your VIN before we ship it. This ensures it works correctly with the options your vehicle was built with, making installation a simple plug-and-play process without needing a trip to the dealer for programming.
Do I need to send my old BCM back?
No. There is no core charge for this part. You can keep your original module.
Is this something I can install myself?
For many DIYers, yes. The physical replacement is straightforward, involving basic hand tools to access the module under the dash. Our pre-programming eliminates the most difficult step. However, be aware that a post-install relearn procedure for the airbag or brake system may be needed.
What happens if the airbag light comes on after I install it?
This is an expected possibility. The new BCM needs to be electronically ‘introduced’ to the airbag system’s computer (SDM). A repair shop with a professional bi-directional scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure in a few minutes to resolve this.
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 your BCM without it.