Restore Full Control of Your Escalade’s Electronics
If you’re dealing with baffling electrical issues in your 2010 Cadillac Escalade EXT—like power windows with a mind of their own, flickering interior lights, or random warning messages on your dash—you’re not alone. These frustrating problems often point to a single culprit: a failing Body Control Module (BCM). As the central command center for your truck’s body electronics, the BCM’s health is critical for everything from your door locks and security system to your interior climate controls. When it falters, it can make your luxury vehicle feel unreliable.
This isn’t just another part. This is a complete, ready-to-install solution. We take a genuine GM-spec Body Control Module and program it specifically to your Escalade’s Vehicle Identification Number (VIN) before it ships. This means it arrives loaded with the latest GM software updates, tailored precisely for your vehicle’s options. You get to skip the expensive trip to the dealership for programming, saving you both time and hundreds of dollars in labor. It’s the most direct path to restoring the seamless functionality you expect from your Cadillac.
A Technician’s Notebook
I remember a 2010 Escalade EXT that rolled into my bay last winter. The owner was at his wit’s end. The radio would turn on and off, the power-adjustable pedals wouldn’t move, and the “Service Theft System” light was on. He’d already replaced the battery, thinking it was a simple voltage issue. After connecting my scan tool, I saw a slew of communication error codes (U-codes) pointing to the BCM. The module was intermittently losing connection with other vehicle systems. We installed a VIN-programmed BCM, and like flipping a switch, all the strange electrical gremlins vanished. It’s a classic case I’ve seen hundreds of times—a single failing module creating a cascade of confusing symptoms.
Is Your Escalade Showing These Electrical Gremlins?
- ✔ Power windows, mirrors, or door locks operating erratically or not at all.
- ✔ Interior or exterior lights flickering, staying on, or not turning on.
- ✔ The security system acting up, or the key fob not working correctly.
- ✔ Unexplained warning lights on the instrument cluster, such as for the airbag or traction control system.
- ✔ Diagnostic Trouble Codes (DTCs) like U0140, U0155, or other communication errors.
- ✔ Climate control functions are unresponsive or behaving strangely.
A Straightforward Guide to Your BCM Replacement
For the Escalade EXT, the BCM is typically located under the steering column, making it accessible for a DIYer with basic tools. While this is a direct-fit part, always prioritize safety.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes for the systems to discharge before starting work.
- Locate the BCM: On your 2010 Escalade EXT, you’ll find the BCM mounted under the driver’s side of the dashboard, near the steering column. You may need to remove a lower dash panel for access.
- Disconnect and Remove: Carefully unplug the electrical connectors. They have locking tabs that need to be depressed. Once disconnected, unbolt the old module from its mounting bracket.
- Install the New Module: Mount your new, pre-programmed BCM in the same location and securely plug in all the electrical connectors. You should hear a ‘click’ as they lock 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.
Important Post-Installation Steps
Because this 2010 Escalade EXT BCM is pre-programmed, most functions will work immediately. However, depending on your vehicle’s specific configuration, a couple of quick relearn procedures may be needed. These ensure all related systems communicate correctly with the new module.
- Airbag System Sync: If your airbag light is on after installation, 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: In some cases, a brake pedal position sensor recalibration may be required to ensure your brake lights and traction control system function perfectly.
Disclaimer: We always recommend consulting a factory service manual or a certified technician if you are unsure about any part of the process.
Guaranteed Fitment for Your Vehicle
This module is a direct replacement for part number 15299986 and a wide range of other GM part numbers. We guarantee compatibility for the following models, among others. Please verify your part number or contact us with your VIN.
ACADIA 07-12, AVALANCHE 1500 10, CAPRICE 11-13, CAPTIVA SPORT 12, CTS 08-13, DTS 06-11, ENCLAVE 08-12, EQUINOX 07-09, ESCALADE 10, ESCALADE ESV 10, ESCALADE EXT 10 (Body Control, under steering column, ID 25892622), 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 1500 10, TAHOE 10, TORRENT 07-09, TRAVERSE 09-12, VUE 08-10, YUKON 10, YUKON XL 1500 10.
This is a partial list. Please confirm your specific part number from the list provided or contact us.
Frequently Asked Questions
Frequently Asked Questions
Do I need to send my old BCM back?
No, there is absolutely no core charge. You can keep your original module, which can be helpful for future reference if needed.
How do I provide my VIN for programming?
After you complete your purchase, simply send us a message with your 17-digit VIN. We cannot program and ship your part without it, so please provide it promptly to avoid delays.
Is this a difficult part for a DIYer to install?
For most individuals with basic mechanical skills and tools, this is a very manageable job. The main benefit is that our pre-programming eliminates the most complex step, which is the software configuration at a dealership.
What happens if my airbag light comes on after I install it?
This is a known possibility. It means the new BCM needs to be electronically ‘introduced’ to the airbag module (SDM). A repair shop with a high-level diagnostic tool can perform the ‘Setup SDM Primary Key’ procedure in a few minutes to resolve this.
Will this fix my specific electrical problem?
This module is the solution for failures within the BCM itself. While it resolves the most common electrical issues, proper diagnosis is key. If you’re unsure, we recommend having a professional mechanic confirm the BCM is the source of the fault before ordering.