End the Frustration of Unpredictable Electrical Failures
Are strange electrical issues plaguing your GM truck or SUV? One moment the A/C works, the next it doesn’t. The power locks have a mind of their own, and a persistent airbag light is on your dash. These aren’t separate problems; they’re classic signs of a failing Body Control Module (BCM). Restore reliability and full functionality with our expertly VIN-programmed 25844480 Body Control Module, the central command unit for your vehicle’s essential electronic systems. This isn’t just a replacement part; it’s a permanent solution designed to get your work truck or family SUV back to operating exactly as it should, without a mandatory trip to the dealership.
Common Symptoms & Your Solution
A faulty BCM can cause a cascade of confusing issues. If you’re experiencing any of the following, this module is the definitive fix:
- Intermittent or total loss of HVAC and climate control functions.
- Power windows, door locks, or exterior/interior lights not working correctly.
- An active airbag warning light, often with Diagnostic Trouble Code (DTC) B1001.
- Security system malfunctions, causing no-start conditions or random stalling.
- A variety of other electrical-related DTCs that point to a communication breakdown.
Our pre-programmed 25844480 Body Control Module directly addresses these problems by restoring stable communication between all your vehicle’s body systems.
Features & Benefits
- โ 100% Plug-and-Play Installation: This module arrives pre-programmed to your vehicle’s specific VIN. This crucial step ensures it communicates flawlessly with your existing components right out of the box, eliminating the need for expensive dealership programming tools.
- โ Restores Full Functionality: Get your power windows, door locks, lighting, wipers, and climate control systems working reliably again. End the guesswork and fix the root cause of your vehicle’s electrical gremlins.
- โ OEM-Level Quality: Engineered to meet or exceed original equipment standards, ensuring long-lasting durability and dependable performance whether you’re on the job site or on a family road trip.
- โ Broad Compatibility: This module is a direct replacement for a wide range of part numbers, including 25835966, 15943678, 20939137, and 22860591, making it the right fit for numerous Chevrolet, GMC, and Cadillac models from 2007-2013.
- โ Warranty Protection: This unit is backed by our one-year replacement warranty.
Expert Insight: The Critical Role of VIN Programming
Many people don’t realize that a modern BCM isn’t just a simple circuit board; it’s a computer that’s coded specifically for the options and security systems of your exact vehicle. Simply installing a used or non-programmed module will often lead to more problems, from security lockouts to non-functional features. Our VIN programming service uses the latest GM software to configure the module before it ships. This means the BCM is ready to sync with your truck’s Powertrain Control Module (PCM) and Supplemental Inflatable Restraint (SDM) system, saving you hundreds of dollars and significant time compared to a dealership visit.
Frequently Asked Questions
What exactly does a Body Control Module do?
The BCM acts as the central computer for your vehicle’s body electronics. It controls non-engine related functions like your interior and exterior lights, power windows and locks, security system, wipers, and climate control blower motor. When it fails, these systems can behave erratically or stop working altogether.
Is this module difficult to install?
No, the physical installation is typically very straightforward. The BCM is usually located under the driver’s side dashboard near the steering column. The process involves disconnecting the battery, removing a few trim panels, and swapping the electrical connectors. Most DIYers can complete the swap in under 15 minutes.
What if my airbag light is still on after installation?
If the airbag light persists (often with code B1001), it means the new BCM needs to be electronically introduced to the airbag’s computer (SDM). This requires a professional scan tool to perform a ‘Setup SDM Primary Key in BCM’ procedure. This is a quick process for any qualified technician with the right tool.
Do I need to send my old part back?
No, there is no core charge for this 25844480 Body Control Module. You can keep your old part, which saves you the time and hassle of return shipping.
How do I know this will fit my vehicle?
This module fits a wide range of 2007-2013 GM trucks and SUVs, including the Silverado, Sierra, Tahoe, Yukon, Suburban, and Escalade. Please refer to the detailed fitment list on this page or cross-reference your original part number with the compatible numbers listed in our description to ensure a perfect match.