Restore Full Functionality to Your Cadillac’s Electronics
Are you dealing with baffling electrical issues in your 2010 Cadillac Escalade EXT? One day the power windows work, the next they don’t. Maybe your interior lights are flickering, the security system is acting up, or you have persistent warning lights on the dash that just won’t go away. As a technician with over two decades of experience, I’ve seen these exact symptoms hundreds of times. More often than not, the culprit is a failing Body Control Module (BCM)—the central command center for your vehicle’s comfort and convenience features.
This isn’t just an inconvenience; a faulty BCM can compromise your vehicle’s security and safety. Don’t let electrical gremlins take over your luxury truck. We offer a reliable, straightforward solution with this replacement 2010 Escalade EXT BCM, which arrives at your door pre-programmed and ready for installation.
Case Study: A Tricky Diagnosis
A customer brought in a 2010 Yukon (which uses a similar BCM) with a complaint that was driving him crazy: the radio would randomly turn off and the door locks would cycle while driving. He’d already replaced the battery and checked the main grounds. A quick scan showed a dozen intermittent U-codes, pointing to a network communication problem. Instead of a complex wiring issue, my experience pointed straight to the BCM. These modules can develop internal faults that corrupt the data network, causing chaos across unrelated systems. We swapped in a VIN-programmed BCM like this one, and every single issue was resolved instantly. It’s a fix I’ve performed countless times, restoring the vehicle’s behavior and the owner’s peace of mind.
Is Your Vehicle Showing These Symptoms?
- ✔ Power windows, door locks, or mirrors operate intermittently or not at all.
- ✔ Interior or exterior lights flicker, stay on, or won’t turn on.
- ✔ The security system engages randomly or the key fob stops working.
- ✔ You see erroneous warnings on the instrument cluster, such as “Service Theft System” or “Service Stabilitrak.”
- ✔ Diagnostic scans show communication error codes like U0140, U0155, or other “U” codes.
- ✔ Wipers or climate control functions are behaving erratically.
Your Straightforward BCM Installation Guide
Installing your new 2010 Escalade EXT BCM is a manageable job for a confident DIYer. The unit is typically located under the driver’s side dashboard, near the steering column.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes to allow the systems to discharge.
- Locate the BCM: On the Escalade EXT, you’ll find the BCM mounted to a bracket under the driver’s side of the dashboard. You may need to remove a lower dash panel for access.
- Disconnect the Old Module: Carefully unplug the multiple wiring harness connectors from the old BCM. Each connector has a locking tab that must be depressed or a lever that needs to be swung to release it. Do not force them.
- Install the New Module: Mount your new, pre-programmed BCM in the same location and securely plug in all the wiring connectors. You’ll hear a ‘click’ when they are properly seated.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position (without starting the engine) and test all body functions: windows, locks, lights, wipers, etc.
- Perform Post-Install Procedures: Start the vehicle. If an airbag warning light appears or brake system warnings are present, specific relearn procedures may be required. See our notes below.
Important Post-Installation Notes
Because this module is central to many systems, some vehicles may require simple recalibration after installation. Our VIN programming handles the heavy lifting, but occasionally these final steps are needed:
- Airbag System Sync: If the airbag light is on, a professional scan tool is needed to perform the “Setup SDM Primary Key in BCM” procedure. This syncs the new BCM with the airbag system.
- Brake Pedal Position Relearn: Some models may require this procedure to ensure brake lights and stability control work correctly. This can often be done with a high-end scan tool.
We believe in transparency. While most installations are seamless, we provide this information so you are fully prepared. Always consult a factory service manual for detailed instructions specific to your vehicle.
Will This Fit My Vehicle?
This BCM is a direct-fit, VIN-programmed replacement for a wide range of General Motors vehicles. It is compatible with part numbers 15828601, 25892622, 20815898, and many others listed below. While this page focuses on the 2010 Escalade EXT BCM, it also fits models like the Chevrolet Tahoe, Suburban, Avalanche, Express Van, GMC Yukon, Savana Van, Buick Enclave, and Cadillac DTS, among others. Please verify your original part number or consult the detailed fitment list to ensure compatibility.
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
Do I need to program or flash this BCM?
Do I need to program or flash this BCM?
No. The main benefit of our service is that we program the module to your vehicle’s specific VIN before we ship it. It arrives ready to be installed, saving you a trip to the dealership and expensive programming fees.
How do I give you my VIN?
After you complete your purchase, you will need to send us your 17-digit Vehicle Identification Number (VIN). We will provide clear instructions on how to do this. We cannot ship the part until we have programmed it.
Where is the BCM located on a 2010 Escalade EXT?
The Body Control Module is typically located under the driver’s side dashboard, often attached to a bracket near the steering column or the fuse panel area.
Do I need to send my old part back?
No. There is absolutely no core charge for this part. You can keep your old module or dispose of it responsibly.
What if my airbag light turns on after installation?
This is an uncommon but possible scenario. It means the new BCM needs to be electronically ‘introduced’ to the airbag system’s computer (SDM). This requires a professional-grade scan tool to perform the “Setup SDM Primary Key in BCM” function, which is a quick procedure for any qualified technician.