End Frustrating Electrical Problems in Your GM Truck or SUV
Are unpredictable electrical issues making your dependable truck feel unreliable? Failing power windows, a malfunctioning climate control system, or random warning lights can be more than just an annoyance—they can disrupt your work day and compromise your vehicle’s safety. This genuine-quality GM Body Control Module (BCM), part number 25844480, is the definitive, plug-and-play solution to restore full functionality and peace of mind to your vehicle.
Common Symptoms & Your Solution
A failing BCM is the central nervous system for your vehicle’s body electronics. When it starts to fail, it can cause a cascade of confusing problems. If you’re experiencing any of the following, this module is the solution you need:
- Intermittent or non-working power windows, door locks, or mirrors.
- HVAC and climate control systems that won’t turn on or operate correctly.
- Interior or exterior lights behaving erratically.
- An airbag warning light on the dash, often with DTC B1001.
- Security system malfunctions that may prevent the engine from starting.
- Various electrical grounding issues or seemingly unrelated diagnostic trouble codes.
Instead of spending a fortune at the dealership, you can install this professionally programmed 2007-2011 Sierra 3500 body control module yourself. We pre-load it with your vehicle’s specific VIN and the latest GM software, ensuring it works perfectly right out of the box.
Key Features & Tangible Benefits
- ✔ VIN Programmed for Your Vehicle: This module arrives ready for installation. No need for expensive trips to the dealership for programming—saving you time and money.
- ✔ Restores Full Functionality: Regain reliable control over your lights, locks, windows, wipers, and climate systems for a more comfortable and secure driving experience.
- ✔ OEM-Standard Quality: Built to meet or exceed original equipment specifications, ensuring long-lasting durability whether you use your truck for work or daily driving.
- ✔ Direct-Fit Replacement: Designed as a direct replacement for a wide range of part numbers, including 15878753, 25835966, 20939137, and 22860591, guaranteeing a perfect fit.
- ✔ No Core Charge Required: We don’t require you to send your old part back. This simplifies the process and lets you get your vehicle repaired faster.
- ✔ Warranty Protected: This unit is backed by our one-year replacement warranty.
Expert Technician’s Tip: Before you install your new BCM, take a moment to inspect the main ground connections under the dash and on the driver’s side A-pillar. A poor ground is a common cause of BCM failure. Cleaning these connection points with a wire brush until they are bright and shiny can prevent a repeat failure and ensure your new module performs reliably for years to come. It’s a simple 5-minute step that can save you a major headache down the road.
By installing this pre-programmed 2007-2011 Sierra 3500 body control module, you are not just replacing a part; you are restoring the core functionality and reliability of your truck. It’s the smart, efficient way to solve complex electrical problems and get back on the road with confidence. This is the correct component to fix the electrical systems in your Silverado, Tahoe, Suburban, Yukon, or Escalade.
Frequently Asked Questions
Do I need to have this BCM programmed by a dealer?
No. We pre-program the module to your vehicle’s specific VIN before shipping. It will arrive ready for a plug-and-play installation, with no additional programming required.
Where is the BCM located on my truck?
The Body Control Module is typically located under the driver’s side of the dashboard, near the steering column. Installation is straightforward and usually takes only a few minutes with basic hand tools.
What if my airbag light is still on after installation?
In some cases, particularly if you had an airbag code like B1001, you may need to perform a “Setup SDM Primary Key in BCM” procedure. This is a simple sync function that can be done with a professional-grade scanner and is not a full reprogramming.
Is this part compatible with part number 15878753?
Yes. This module is a direct interchange for a wide variety of GM part numbers, including 15878753, 25835966, 15943678, 20939137, and many others listed in the compatibility chart. It is the correct, updated replacement.
Do I need to return my old BCM?
No, there is no core charge for this part. You can keep your old module, which simplifies the repair process for you.