Restore Full Functionality to Your Cadillac
As an automotive technician with over two decades of experience, I’ve seen firsthand the chaos a failing Body Control Module (BCM) can cause, especially in a sophisticated vehicle like the 2010 Cadillac Escalade EXT. Are you dealing with a frustrating array of electrical gremlins? Perhaps your interior lights flicker randomly, the power windows have a mind of their own, or your security system is acting up. These aren’t just annoyances; they’re classic signs that the central nervous system of your vehicle’s electronics—the BCM—is failing. Don’t let these issues compromise your truck’s luxury and reliability. This is the definitive, hassle-free solution.
We offer a genuine OEM replacement Body Control Module, part number 25847588, that arrives at your door fully programmed to your vehicle’s specific VIN. This crucial step means you can bypass the expensive trip to the dealership for programming. We handle the complex part, loading the latest GM software updates onto the module before it ships. This ensures seamless communication between all your vehicle’s systems, from the instrument cluster to the door locks, restoring your Escalade to its peak operational state. This isn’t just a part; it’s a complete, ready-to-install solution designed to get you back on the road with confidence.
From the Diagnostic Bay
A customer brought in his 2010 Escalade EXT last month with a truly baffling set of symptoms. The radio would randomly shut off, the dash lights would flicker while driving, and occasionally, the truck would refuse to start, showing a ‘Service Theft System’ message. He’d already replaced the battery to no avail. After connecting my scan tool, I saw multiple communication loss codes (U-codes) pointing to a network issue. Experience told me to look at the BCM. We swapped in a pre-programmed module like this one, and instantly, all the electrical gremlins vanished. It’s a common failure point, and a correctly programmed 2010 Escalade EXT BCM is almost always the fix.
Common Signs of a Failing BCM
If the electronic brain of your truck is malfunctioning, it can manifest in numerous ways. Here are some of the most common symptoms I see in the shop that point directly to a faulty BCM:
- ✔ Intermittent or non-functional power windows, door locks, and mirrors.
- ✔ Erratic behavior from interior or exterior lights (flickering, staying on, or not turning on).
- ✔ False warnings on the dashboard, such as ‘Service Airbag’ or ‘Service StabiliTrak’.
- ✔ Problems with the vehicle’s security system, leading to no-start conditions.
- ✔ Radio or infotainment system randomly turning on or off.
- ✔ A/C and climate control functions not working correctly.
A Straightforward Guide to BCM Installation
For the confident DIYer or professional mechanic, installing your new 2010 Escalade EXT BCM is a manageable job. The module is typically located under the steering column on the driver’s side. Following these steps will ensure a smooth replacement.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes to allow all systems to power down completely.
- Locate the BCM: On the 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 from the old BCM. They have locking tabs that need to be pressed. Once disconnected, unbolt the module from its mounting bracket.
- Install the New Module: Mount your new, pre-programmed BCM in the same location and securely fasten it. Reconnect all the electrical connectors, ensuring they click firmly into place.
- Reconnect Power: Re-attach the negative battery terminal. The vehicle is now ready for the final, critical post-installation procedures.
Important Post-Installation Steps
After installing your new BCM, a couple of relearn procedures are necessary to ensure all systems operate correctly and safely. These steps typically require a professional-grade bidirectional scan tool.
- Airbag System Reset: To clear the airbag warning light, you must perform the ‘Setup SDM Primary Key in BCM’ procedure. This re-establishes the security handshake between the new BCM and the Sensing and Diagnostic Module (SDM).
- Brake Pedal Position Sensor Relearn: Some vehicles require the Brake Pedal Position (BPP) sensor to be recalibrated after a BCM replacement. This is critical for the proper function of the brake lights, traction control, and stability systems.
Note: If you are not comfortable performing these procedures, we strongly recommend seeking assistance from a qualified professional technician.
Verified Vehicle Compatibility
This BCM is a direct replacement for a wide range of GM vehicles. Please verify your part number or vehicle model 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, 95151084.
Fits models such as:
- Cadillac Escalade, Escalade ESV, Escalade EXT (2010, check ID)
- Chevrolet Avalanche, Tahoe, Suburban 1500 (2010, check ID)
- GMC Yukon, Yukon XL 1500 (2010, check ID)
- Chevrolet Impala (2006-2013)
- GMC Acadia (2007-2012)
- Chevrolet Traverse (2009-2012)
- Buick Enclave (2008-2012)
- Chevrolet Express & GMC Savana Vans (2008-2012, check options)
- And many more. Please check the detailed fitment list to confirm for your specific vehicle.
Frequently Asked Questions
Do I really need to provide my VIN?
Yes, providing your 17-digit VIN is absolutely essential. We use it to program the BCM with the correct software and vehicle-specific options, ensuring it works perfectly with your Escalade right out of the box.
Is this a plug-and-play part?
Because we pre-program it, the module itself is plug-and-play. However, as noted above, you will need to perform a couple of security and sensor relearn procedures with a capable scan tool to finalize the installation and clear any warning lights.
Will this fix my ‘Service Theft System’ message?
A failing BCM is a very common cause of security system faults and no-start conditions related to the anti-theft system. While other issues can cause this message, replacing a faulty BCM often resolves the problem.
Where is the BCM located on my 2010 Escalade EXT?
The BCM is located inside the cabin, under the driver’s side dashboard, near the steering column. You will likely need to remove the lower plastic trim panel to gain access.
What tools are needed for the post-installation procedures?
You will need a professional-grade bidirectional scan tool that can perform specific GM functions like ‘Setup SDM Primary Key’ and ‘Brake Pedal Position Sensor Relearn’. Basic code readers cannot perform these tasks.