Restore Full Control of Your GM Truck or SUV
Is your Sierra, Silverado, or Tahoe plagued by frustrating electrical problems? Flickering lights, a non-responsive HVAC system, or random warning lights are often signs of a failing Body Control Module (BCM). This vital component is the central command for your vehicle’s body electronics. When it fails, it can make your dependable truck feel unreliable. This fully programmed GM 25844480 BCM is the definitive solution, engineered to restore your vehicle’s functionality and your peace of mind.
Common Symptoms & Your Solution
A faulty BCM can cause a cascade of confusing issues. You might be experiencing one or more of the following: interior or exterior lights that don’t work, power windows and locks operating intermittently, a malfunctioning security system, or even stalling and misfires. You may also see specific Diagnostic Trouble Codes (DTCs) like B1001 related to the airbag system. This pre-programmed module is the direct-fit answer. By installing our expertly prepared 2013 GMC Sierra 3500 Body Control Module 25844479, you are not just replacing a part; you are providing a permanent fix that integrates seamlessly with your vehicle’s existing systems, clearing codes and restoring order.
- ✔ Plug-and-Play Installation: This module arrives pre-programmed to your vehicle’s specific VIN. This eliminates the need for expensive dealership programming, allowing for a straightforward installation that gets you back on the road fast.
- ✔ Restores Full Functionality: Regain reliable control over critical systems, including your lights, power locks, windows, wipers, security system, and HVAC controls.
- ✔ Solves Annoying Electrical Gremlins: Engineered to resolve common failure points, this BCM puts an end to the intermittent and unpredictable behavior caused by a failing original unit.
- ✔ OEM-Quality Built: Manufactured to strict OEM standards for a perfect fit and long-lasting durability, ensuring your truck or SUV performs as it should, whether on the job site or on a family trip. As a direct replacement, this 2013 GMC Sierra 3500 Body Control Module 25844479 ensures compatibility.
- ✔ Guaranteed Performance: This unit is backed by our one-year replacement warranty.
Expert Insight from Our Technicians
“Over 20 years, I’ve seen countless GM trucks with BCM issues. A common mistake during replacement is overlooking the vehicle’s grounding points. Before installing the new module, take 10 minutes to locate, clean, and tighten the main chassis grounds under the dash and in the engine bay. A poor ground can cause voltage drops that mimic BCM failure and can damage the new unit over time. This simple step ensures a lasting repair and is crucial for the health of your truck’s entire electrical system.”
Don’t let a faulty BCM compromise the utility and safety of your vehicle. This programmed module is the most reliable and efficient way to solve the problem. Whether you’re a professional technician or a skilled DIYer, this is the right part to get the job done correctly. For a complete solution, trust in a quality 2013 GMC Sierra 3500 Body Control Module 25844479 that is ready to install right out of the box.
Frequently Asked Questions
What does ‘VIN Programmed’ actually mean?
It means we program the module with your vehicle’s unique Vehicle Identification Number (VIN) before we ship it. This ensures the BCM has the correct software and settings for your specific model, year, and options, allowing it to communicate perfectly with your vehicle’s other computers without needing a trip to the dealer.
Do I need to return my old BCM?
No. There is no core charge for this part. You can keep your old module, which saves you the time and hassle of packaging and shipping it back.
Will this fix my airbag warning light (DTC B1001)?
This BCM will allow the airbag system to function correctly, but you may need one final step. If the airbag light remains on after installation, a procedure called ‘Setup SDM Primary Key in BCM’ must be performed with a professional-grade scan tool. This syncs the new BCM with the airbag module and turns off the light.
How difficult is the installation?
The physical installation is straightforward for someone with basic mechanical skills. The BCM is typically located under the driver’s side dashboard near the steering column. The process usually takes less than 15 minutes. No special tools are required for the physical swap.
Is this compatible with other part numbers?
Yes, this module is a direct replacement for a wide range of part numbers, including 25835966, 15943678, 25844479, 20939137, and 22860591, among others listed in the compatibility chart. It is designed to fit many 2007-2013 GM trucks and SUVs.