Restore Your Escalade’s Electrical Functions and Reliability
If you’re dealing with the frustrating and often unpredictable electrical problems in your 2010 Cadillac Escalade EXT, you know how quickly they can ruin the driving experience. From power windows that won’t cooperate to a security system that acts up randomly, a faulty Body Control Module (BCM) is frequently the culprit. As the central command for your vehicle’s body electronics, when it fails, it can create a cascade of issues. This replacement Body Control Module, part number 25826125, is the definitive solution, arriving at your door pre-programmed with the latest GM software specifically for your truck’s VIN.
A Technician’s Notebook: The Parasitic Drain Puzzle
I once had a 2010 Tahoe—which uses a very similar electrical platform to the Escalade—in my bay with a classic parasitic battery drain. The owner had replaced the battery twice. Other shops had checked the alternator and starter. Everything tested fine, but the battery would be dead after sitting for two days. After hooking up an ammeter, I started pulling fuses one by one. The draw finally dropped when I pulled the BCM fuse. The original BCM had an internal short, keeping the interior lighting circuit partially active even when the truck was off. Installing a properly programmed BCM didn’t just fix the drain; it restored the owner’s confidence in his vehicle. This is a story I’ve seen play out hundreds of times with these GM BCMs.
Is Your Escalade Showing These BCM Failure Signs?
A failing BCM can manifest in numerous ways. As a technician, I look for patterns. If you’re experiencing several of these symptoms at once, there’s a strong chance your BCM is the root cause. This is especially true if you’re seeing communication-related Diagnostic Trouble Codes (DTCs).
- ✔ Intermittent or non-functional power windows, door locks, or mirrors.
- ✔ Erratic behavior from interior or exterior lights (flickering, staying on, or not turning on).
- ✔ The security system or keyless entry failing to work correctly.
- ✔ A persistent battery drain that kills your battery overnight.
- ✔ Warning messages on the dash like “Service Theft System” or “Service Airbag.”
- ✔ Common communication DTCs stored, such as U0140, U0155, or other U-codes indicating loss of communication with the BCM.
Your Straightforward BCM Installation Guide
Replacing the 2010 Escalade EXT BCM is a manageable job for a DIY enthusiast. Our pre-programming service eliminates the most difficult step: the trip to the dealer. Just follow these general steps. For your safety, always consult a vehicle-specific service manual.
- 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 Escalade EXT, the BCM is typically located under the steering column, accessible from the driver’s side footwell. You may need to remove a lower dash panel for access.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be pressed. 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 they click into place.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position (without starting the engine) and test your electronics: windows, locks, lights, and radio.
- Perform Relearns (If Necessary): Start the vehicle. In some cases, a Brake Pedal Position Relearn or an Airbag System Sync may be required if warning lights appear. See our FAQ section for more details on these procedures.
Verified Vehicle Compatibility
This module is a direct replacement for a wide range of General Motors vehicles. We program it based on the VIN you provide to ensure it functions perfectly for your specific model and options. Please verify your part number or vehicle in the list below. This module 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, and 95151084.
ESCALADE ESV 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
ESCALADE EXT 10 Body Control (BCM); (under steering column), ID 25892622
TAHOE 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
SUBURBAN 1500 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
YUKON 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
YUKON XL 1500 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
AVALANCHE 1500 10 Body Control (BCM); (under steering column), ID 25892622
ACADIA 07-12 Body Control (BCM); (LH dash)
ENCLAVE 08-12 Body Control (BCM); (LH dash)
TRAVERSE 09-12 Body Control (BCM); (LH dash)
OUTLOOK 07-10 Body Control (BCM); (center dash)
IMPALA 06-12 Body Control (BCM); (LH dash)
MONTE CARLO 06-07 Body Control (BCM); (LH steering column)
EXPRESS/SAVANA VANS 08-12 Body Control (BCM); (center dash)
…and many more models as listed in the original fitment data.
Frequently Asked Questions About Your 2010 Escalade EXT BCM
Why do you need my VIN number?
Your Vehicle Identification Number (VIN) allows us to program the BCM with the exact software and vehicle-specific options that your Escalade EXT came with from the factory. This ensures all features work correctly and makes the installation a simple plug-and-play process, saving you a costly trip to the dealership for programming.
Is this a simple plug-and-play installation?
Yes, because we program the module to your VIN before shipping, it is designed to be a plug-and-play replacement. In most cases, you simply swap the part. However, some GM vehicles may require a simple relearn procedure for the brake pedal position sensor or airbag system, which can sometimes be done without special tools, though a professional scan tool is recommended if a warning light appears.
Do I need to return my old BCM? Is there a core charge?
No. We do not require you to send back your original module. There is absolutely no core charge associated with this purchase, saving you time and the hassle of return shipping.
What is the ‘Airbag System Sync’ mentioned in the procedures?
The BCM communicates with the airbag system’s computer (SDM). If the airbag light is on after installation, it means the two modules need to be electronically ‘introduced.’ A professional scan tool is used to perform the ‘Setup SDM Primary Key in BCM’ procedure to sync them and clear the light. This is only necessary if the light appears post-installation.
What if I still have problems after installation?
Our goal is your complete satisfaction. This 2010 Escalade EXT BCM is tested and programmed to the highest standards. If you encounter any issues, please contact our expert support team. We have decades of diagnostic experience and can help walk you through troubleshooting steps to ensure your vehicle is running perfectly.