Restore Your Vehicle’s Electrical System with a Plug-and-Play BCM
Are you chasing down frustrating electrical problems in your GM truck or SUV? Flickering lights, a dead climate control panel, or power windows with a mind of their own are classic signs of a failing Body Control Module (BCM). This OEM-quality replacement, equivalent to part number 25790508, is the definitive solution for your 2007-2011 Escalade EXT BCM and a wide range of other GM vehicles. As the central command center for your vehicle’s comfort and convenience features, a healthy BCM is critical for everyday operation.
We take the guesswork and dealership expense out of the equation. Each module is expertly programmed to your vehicle’s specific VIN before shipping. This ensures seamless integration with your existing systems, restoring full functionality right out of the box without the need for expensive scan tools or a trip to the dealer for programming.
A Technician’s Notebook: The Silverado Ghost
I remember a 2010 Silverado that came into my bay with a laundry list of bizarre issues. The owner was frustrated, saying the radio would shut off randomly, the driver’s side power window wouldn’t work, and the HVAC blower was completely dead. He’d already replaced the blower motor resistor with no luck. After connecting my scanner, I saw a handful of communication codes and a specific BCM internal fault. The culprit wasn’t a dozen separate problems—it was one failing BCM. A quick swap with a VIN-programmed unit like this one had all the ‘ghosts’ gone and the truck running perfectly in under 10 minutes. This is a common failure I’ve diagnosed hundreds of times on this GM platform.
Is Your GM Truck or SUV Showing These Signs?
A faulty BCM can manifest in numerous ways. If you’re experiencing any of the following, it’s a strong indicator that your module needs replacement:
- ✔ Intermittent or non-functional power windows, door locks, or interior/exterior lights.
- ✔ Climate control (HVAC) system failure or an erratic blower fan.
- ✔ An active airbag warning light, often accompanied by Diagnostic Trouble Code (DTC) B1001.
- ✔ Security system malfunctions, causing no-start conditions or random alarm activation.
- ✔ Unexplained battery drain or strange electrical behavior.
- ✔ Communication errors with other modules on the vehicle’s data network.
A Straightforward Guide to Your BCM Installation
Replacing the BCM is a job most DIYers can handle with basic tools. The entire process typically takes less than 15 minutes.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before working on any electronic components.
- Locate the Module: The BCM is typically found in the driver’s footwell, under the dashboard to the left of the steering column. It’s a black box with several large multi-pin connectors.
- Remove the Old Unit: Carefully unplug the electrical connectors. They have locking tabs that need to be depressed. Once unplugged, the module can be unclipped or unbolted from its mounting bracket.
- Install the New BCM: Seat the new, pre-programmed module into the mounting bracket and securely plug in all the electrical connectors. You’ll hear a click as they lock into place.
- Reconnect and Test: Reconnect the negative battery terminal. Start the vehicle and test all functions—lights, windows, locks, wipers, and HVAC—to confirm the repair was successful.
Important Post-Installation Note: In some cases, particularly if you had an airbag light on, the system may need to be re-synced. If the light remains after installation, a professional scan tool is required to perform the “Setup SDM Primary Key in BCM” procedure. A brake pedal position sensor relearn may also be necessary on some models to ensure proper brake light and traction control operation.
Verified Vehicle Compatibility List
This module is a direct replacement for a wide range of General Motors trucks and SUVs. It is interchangeable with part numbers 25835966, 15263363, 15263497, 15878753, 15284816, 15943678, 15926094, 15940214, 25790508, and more. Please verify your specific model and year below.
ESCALADE ESV 07-11
ESCALADE EXT 07-11
AVALANCHE 1500 07-11
SIERRA 1500 PICKUP 07-11
SIERRA 2500 PICKUP 07-13
SIERRA 3500 PICKUP 07-13
SIERRA DENALI 07-13
SILVERADO 1500 PICKUP 07-11
SILVERADO 2500 PICKUP 07-13
SILVERADO 3500 PICKUP 07-13
SUBURBAN 1500 07-11
SUBURBAN 2500 07-11
TAHOE 07-11
YUKON 07-11
YUKON XL 1500 07-11
YUKON XL 2500 07-11
Frequently Asked Questions
What does the Body Control Module do on my Escalade?
The BCM acts as the brain for your vehicle’s body electronics. It controls non-engine related functions like your power windows, door locks, security system, interior and exterior lighting, wipers, and the HVAC system.
Is this part truly ‘plug-and-play’?
Yes. We program the module to your vehicle’s VIN before it ships, so it’s ready for installation right out of the box. This eliminates the need for any additional programming by a dealership, saving you time and money.
What if my airbag light is still on after I install it?
If the airbag light was on due to a BCM communication fault, this will often resolve it. However, if the light persists, it means the new BCM needs to be synced with the airbag’s Sensing and Diagnostic Module (SDM). This requires a professional scan tool to perform the ‘Setup SDM Primary Key’ function.
Do I need to send my old BCM back?
No. There is no core charge for this part. You can keep or dispose of your old module without any hassle or extra fees.
How can I be sure this fits my truck?
This module fits a wide range of GM vehicles from 2007-2013. The best way to confirm is to match the part number from your original module to 25790508 or any of the interchangeable numbers listed, and check our compatibility list. Providing your VIN at checkout guarantees we program it correctly for your specific vehicle.