Restore Complete Control Over Your GM Truck or SUV
Are strange electrical issues turning your reliable Cadillac, Chevrolet, or GMC into a source of daily frustration? When your vehicle’s lights, windows, locks, or climate controls start acting erratically, the problem often points to a failing Body Control Module (BCM). This genuine GM 25844480 Body Control Module is the definitive, plug-and-play solution, pre-programmed to your vehicle’s specific VIN to restore full functionality and peace of mind without a costly trip to the dealership.
Common Symptoms & Your Solution
A faulty BCM can cause a cascade of confusing problems. If you’re experiencing any of the following, this module is the fix you need:
- Intermittent or complete failure of HVAC and blower motor controls.
- Power windows, door locks, or mirrors that work sporadically or not at all.
- An airbag warning light that won’t turn off, often with DTC B1001.
- Malfunctioning interior or exterior lights.
- Security system issues, causing no-start conditions or random alarms.
- Unexplained battery drain or other persistent electrical gremlins.
Instead of chasing down individual symptoms, replacing the central hub—the BCM—solves these issues at their source. Our expert programming ensures this GM 25844480 Body Control Module integrates seamlessly with your vehicle’s existing systems right out of the box.
Features & Benefits
- ✔ 100% Plug-and-Play Installation: This module arrives pre-programmed to your vehicle’s VIN. Simply install it, and you’re ready to go—no additional, expensive dealership programming is required.
- ✔ Restores Full Vehicle Functionality: Regain immediate and reliable control over all body electronics, from your climate control and power accessories to your security system.
- ✔ Resolves Common DTCs: Expertly programmed with the latest GM software updates to clear persistent diagnostic trouble codes related to body control and communication errors.
- ✔ OEM-Grade Reliability: Engineered to meet or exceed original equipment specifications, ensuring dependable performance and long-lasting durability for your work truck or family SUV.
- ✔ Guaranteed Compatibility: A direct replacement for a wide range of part numbers, including 25844479, 25835966, 15943678, 20939137, 22860591, and more.
- ✔ Peace of Mind Protection: This unit is backed by our one-year replacement warranty.
Expert Insight: The Power of Pre-Programming
Why is VIN programming the most critical feature? The BCM is the ‘brain’ that manages communication between dozens of components. Without being programmed to your specific VIN, a new module won’t recognize your vehicle’s unique configuration, options, or security keys. This leads to system conflicts, non-functional features, and a vehicle that won’t start. Our pre-programming service saves you hundreds of dollars in dealership fees and days of vehicle downtime. It transforms a complex electronic repair into a simple, straightforward component swap that you can often do yourself in minutes.
Don’t let a faulty BCM compromise the comfort, security, and reliability of your vehicle. This professionally programmed GM 25844480 Body Control Module is the most efficient and effective way to get your truck or SUV working perfectly again. Order today and take back control.
Frequently Asked Questions
What does a Body Control Module do?
The BCM is a central computer in your vehicle that controls and monitors a wide range of non-engine-related functions. This includes power windows, door locks, the security system, interior and exterior lighting, wipers, and the HVAC (climate control) system.
Is this BCM difficult to install?
Installation is typically very straightforward. The BCM is usually located under the driver’s side dashboard, near the steering column. In most cases, it’s a simple process of disconnecting the battery, unplugging the electrical connectors from the old module, removing it, and installing the new one. The entire process often takes less than 15 minutes.
Why is VIN programming so important?
VIN programming configures the BCM to your vehicle’s specific features, options (like sunroof, power seats, etc.), and security system. Without it, the module won’t communicate correctly with other computers in the vehicle, leading to malfunctions or a no-start condition. Our pre-programming makes it a true plug-and-play part.
What if my airbag light stays on after installation?
In some cases, particularly if you had an airbag code like B1001, the new BCM needs to be synced with the airbag system’s computer (SDM). This requires a ‘Setup SDM Primary Key in BCM’ procedure using a professional-grade scan tool. This is a quick procedure for any qualified technician.
Do I need to return my old BCM?
No, there is no core charge for this part. You can keep your old module without any extra fees or hassle.
How do I know this is the right BCM for my vehicle?
The best way is to match the part number from your original module to one of the compatible numbers listed on our product page. You can also use our vehicle fitment tool or contact our expert support with your VIN, and we will confirm the correct fit for you.