Restore Full Electrical Function to Your GM Truck or SUV
Are you battling bizarre electrical issues in your Cadillac Escalade, Chevy Silverado, or GMC Sierra? Flickering lights, a malfunctioning climate control system, or power windows with a mind of their own are classic signs of a failing Body Control Module (BCM). The BCM is the central command for your vehicle’s body electronics, and when it fails, it can cause a cascade of frustrating and difficult-to-diagnose problems. This genuine OEM-quality Body Control Module, part number 15878753, is the definitive solution, arriving pre-programmed to your vehicle’s VIN for a true plug-and-play installation.
From the Diagnostic Bay
We had a 2010 Escalade EXT come in with a complaint the owner called ‘the ghost in the machine.’ The radio would turn on by itself, the door locks would cycle while driving, and the battery would be dead every few mornings. After checking for battery drains, we traced the parasitic draw back to the BCM, which wasn’t letting other modules go to ‘sleep.’ Installing a VIN-programmed 2007-2011 Escalade EXT BCM not only solved the battery drain but also eliminated all the other strange electrical gremlins. It’s a common failure point that can mimic a dozen other problems.
Is Your BCM Failing? Common Symptoms
A faulty BCM can manifest in numerous ways. If you’re experiencing any of the following, your Body Control Module is the likely culprit:
- ✔ Power windows, mirrors, or door locks operating intermittently or not at all.
- ✔ Interior or exterior lights staying on, flickering, or failing to turn on.
- ✔ HVAC and climate control blower fan not working or behaving erratically.
- ✔ Vehicle security system acting up, causing no-start conditions or false alarms.
- ✔ Airbag warning light illuminated on the dash, often with a DTC B1001.
- ✔ Unexplained battery drain or parasitic draw.
- ✔ Various communication-related Diagnostic Trouble Codes (DTCs).
Why Choose Our Pre-Programmed 2007-2011 Escalade EXT BCM?
This isn’t just a replacement part; it’s a complete, hassle-free solution. We take the guesswork and extra cost out of the repair process.
- Plug & Play Installation: We program the module to your vehicle’s specific VIN before shipping. This ensures it communicates perfectly with your vehicle’s other systems right out of the box, with no need for an expensive trip to the dealership for programming.
- OEM-Grade Reliability: Built to the same strict standards as the original part that came in your vehicle, ensuring long-lasting performance and durability.
- Broad Compatibility: This module is a direct replacement for a wide range of GM trucks and SUVs from 2007-2013 and interchanges with part numbers 25844480, 25835966, 15263363, 15263497, and more.
- No Core Charge: Keep your old part. We don’t require a core return, saving you time and shipping costs.
Installation & Post-Install Notes
Installation is straightforward for most DIY mechanics. The BCM is typically located under the driver’s side dashboard, near the steering column. While the physical swap takes only a few minutes, please be aware of potential post-installation procedures. If your airbag light is on after installing the new module, a technician will need to perform the ‘Setup SDM Primary Key in BCM’ function with a professional scan tool. In some cases, a Brake Pedal Position Relearn may also be required. Always check for and repair any poor ground connections, as they are a common cause of repeat BCM failure.
Frequently Asked Questions
Will I need to have this BCM programmed by the dealer?
No. This Body Control Module comes fully pre-programmed to your vehicle’s VIN. It is ready for installation upon arrival, saving you time and money.
Where is the BCM located on my 2008 Chevy Silverado or 2009 Cadillac Escalade?
On most compatible GM trucks and SUVs, the BCM is located under the driver’s side of the dashboard, usually near the steering column or emergency brake pedal.
What does ‘interchangeable part number’ mean?
It means this single module (15878753) directly replaces several other part numbers, including 25844480, 25971916, and 20939137. Manufacturers often consolidate parts over time; this unit has the latest software and hardware for all listed applications.
My airbag light is on after installing the new module. Is it defective?
No, this is a normal security procedure. The new BCM needs to be electronically ‘introduced’ to the airbag’s Sensing and Diagnostic Module (SDM). A technician can perform the ‘Setup SDM Primary Key in BCM’ procedure with a professional scan tool to resolve this.
Is there a core charge for my old part?
No, there is absolutely no core charge. You are not required to send your old BCM back to us.