Restore Full Functionality to Your Cadillac’s Electronics
Is your 2010 Escalade EXT suffering from bizarre electrical issues? Flickering lights, unresponsive power windows, or a security system that acts on its own are common signs of a failing Body Control Module (BCM). The BCM is the central command center for your truck’s body electronics, and when it malfunctions, it can cause a cascade of frustrating and seemingly unrelated problems. This replacement Body Control Module is the definitive solution to restore your vehicle’s systems to perfect working order.
This isn’t just a component; it’s a complete, ready-to-install solution. Before we ship the module, our technicians will program it with the latest GM software updates, specifically matched to your vehicle’s unique VIN. This critical step ensures seamless communication with your Escalade’s other electronic systems, eliminating the need for an expensive trip to the dealership for programming. You get a part that is truly plug-and-play, designed to get you back on the road quickly and reliably.
From the Diagnostic Bay
We had a 2010 Escalade EXT in the shop that was driving its owner crazy. The interior dome lights would flicker randomly, the driver’s side window would only work intermittently, and the car alarm would go off for no reason. The owner had already replaced the battery and checked all the fuses. After connecting our diagnostic scanner, we noticed multiple communication error codes pointing to the BCM. Instead of spending hours trying to repair the faulty board, we installed a VIN-programmed 2010 Escalade EXT BCM. Within 30 minutes, every single electrical gremlin was gone. It’s a perfect example of how one failing module can create a host of confusing symptoms.
Symptoms of a Failing Body Control Module
- ✔ Erratic or non-functional interior and exterior lights (headlights, taillights, dome lights).
- ✔ Power windows, door locks, or mirrors not working correctly or at all.
- ✔ Malfunctioning keyless entry and security system, including random alarm triggers.
- ✔ False warning lights appearing on the instrument cluster (e.g., “Service Theft System”).
- ✔ Unexplained parasitic battery drain that leaves you with a dead battery.
- ✔ Horn honking unexpectedly or not working when pressed.
- ✔ Wipers operating on their own or not responding to the switch.
Installation and Post-Setup Procedures
Replacing the BCM is a straightforward process. It is typically located under the steering column or in the dash area. Once the new module is physically installed, some vehicles may require simple relearn procedures to sync the new BCM with other systems. These may include:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a professional scan tool is needed to perform the “Setup SDM Primary Key in BCM” procedure. This ensures the airbag system communicates correctly with the new BCM.
- Brake Pedal Position Relearn: In some cases, a brake pedal position sensor recalibration might be necessary to ensure proper operation of the brake lights and traction control system.
Please note: Specific procedures can vary by vehicle. Always consult a factory service manual or a qualified technician for guidance.
Guaranteed Compatibility
This module is a direct replacement for a wide range of GM vehicles and part numbers, ensuring a perfect fit and function. It 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.
Frequently Asked Questions
Why do I need to provide my vehicle’s VIN?
Your VIN (Vehicle Identification Number) allows us to program the BCM with the exact software and vehicle-specific options your Escalade EXT came with from the factory. This ensures all features work correctly and the module communicates seamlessly with the rest of your vehicle’s systems.
Is this part difficult to install?
The physical installation is typically straightforward for someone with basic mechanical skills, involving unplugging the old module and plugging in the new one. However, as noted, some vehicles may require post-installation electronic relearn procedures which may require a professional scan tool.
Do I have to return my old BCM?
No. This BCM is sold without a core charge. You can keep your original module without any additional fees or hassle.
Will this fix my specific electrical problem?
This module will resolve issues directly caused by a failing BCM. If you are experiencing several of the symptoms listed above, such as erratic lights, lock, and window behavior, it is highly likely that the BCM is the root cause. Proper diagnosis is always recommended.
What if the airbag light comes on after I install it?
This is a known possibility. It simply means the new BCM needs to be electronically introduced to the vehicle’s airbag system (SDM). A technician with a compatible high-end scan tool will need to perform the “Setup SDM Primary Key in BCM” procedure to sync the modules and turn off the light.