Restore Full Electrical Control to Your Cadillac
Are you battling frustrating electrical issues in your 2007-2011 Cadillac Escalade ESV? Flickering lights, a non-responsive climate control system, or power windows with a mind of their own are classic signs of a failing Body Control Module (BCM). As the central command for your vehicle’s comfort and convenience features, a faulty BCM can make your luxury SUV feel unreliable. This replacement BCM, equivalent to GM part number 25844480, is the definitive solution to restore your vehicle’s electronic systems to perfect working order.
Over my 20 years in diagnostics, I’ve seen countless GMT900 platform vehicles—like the Escalade, Tahoe, and Silverado—suffer from these exact problems. The cause is often an internal failure within the original BCM. Our solution is a high-quality replacement module that comes pre-programmed to your vehicle’s specific VIN. This means you can skip the expensive trip to the dealership for programming; it’s a true plug-and-play fix that gets you back on the road with confidence.
Case Study: A Tricky Diagnosis
A customer brought in his 2009 Escalade ESV with a perplexing array of symptoms. The radio would cut out, the driver’s side power window wouldn’t work, and the airbag light was on with a DTC B1001. He had already replaced the window switch and checked fuses. After a quick scan, I suspected the BCM. A common failure point on these is a poor ground or internal circuit board breakdown. We installed one of our VIN-programmed modules, and within minutes, all the gremlins were gone. The key was also performing the ‘Setup SDM Primary Key’ function with our scanner to clear the airbag light for good. It’s a textbook example of how a single module can cause widespread, confusing issues.
Is Your Escalade Showing These Electrical Gremlins?
- ✔ The HVAC system is unresponsive, or the blower motor works intermittently.
- ✔ Your airbag warning light is illuminated, often with a B1001 trouble code.
- ✔ Power windows, door locks, or interior/exterior lights fail to operate correctly.
- ✔ The security system malfunctions, causing no-start conditions or random alarms.
- ✔ You’re experiencing unexplained stalling, misfires, or grounding-related problems.
- ✔ The dashboard is lit up with various body-related Diagnostic Trouble Codes (DTCs).
A Straightforward Guide to Your BCM Installation
Replacing the 2007-2011 Escalade ESV BCM is a job most DIYers can handle in their own driveway. The module 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 before starting any electrical work.
- Locate the BCM: On your Escalade ESV, look for a plastic box with several large wiring harnesses connected to it under the dash.
- Disconnect and Remove: Carefully unclip the wiring harness connectors. They have locking tabs, so be gentle. Once disconnected, unbolt or unclip the old BCM from its mounting bracket.
- Install the New Module: Mount the new, pre-programmed BCM in the same location. Securely reconnect all wiring harnesses, ensuring each clip clicks into place.
- Reconnect Power: Reattach the negative battery terminal.
- Post-Installation Checks: Start the vehicle and test all functions: lights, windows, locks, and HVAC. If the airbag light remains on, the ‘Setup SDM Primary Key in BCM’ procedure must be performed with a compatible high-level scan tool. Some vehicles may also require a brake pedal position sensor recalibration.
Verified Vehicle Compatibility
This module is a direct replacement for part number 15263497 and is interchangeable with a wide range of other GM part numbers, including 25844480, 25835966, 15263363, and more. It provides guaranteed fitment for many GM trucks and SUVs. While this page focuses on the 2007-2011 Escalade ESV BCM, it also fits models such as:
- Cadillac Escalade, Escalade EXT (2007-2011)
- Chevrolet Avalanche, Silverado, Suburban, Tahoe (2007-2013)
- GMC Sierra, Yukon, Yukon XL (2007-2013)
Please verify your specific model and year using our fitment tool or by matching your original part number to ensure 100% compatibility.
Frequently Asked Questions
Will I need to take my vehicle to the dealer after installation?
No. This Body Control Module comes pre-programmed to your vehicle’s VIN. This eliminates the need for dealership programming, saving you time and money. The only exception is the potential need for an SDM key relearn with a scan tool if the airbag light persists.
What is the ‘Setup SDM Primary Key’ procedure?
This is a security handshake procedure between the new BCM and the existing Sensing and Diagnostic Module (SDM), also known as the airbag module. It’s required to turn off the airbag warning light after BCM replacement and must be done with a bi-directional scan tool.
Is this a simple plug-and-play installation?
Yes, for over 95% of installations. You simply unplug the old module and plug this one in. The VIN programming handles the rest. As noted, a final scan tool procedure may be needed for the airbag system.
Do I need to return my old BCM (core charge)?
No, there is no core charge for this part. You can keep or dispose of your old module without any hassle.
What kind of warranty is included?
This part is backed by our one-year warranty, covering any defects in materials or workmanship for your peace of mind.