Restore Your Vehicle’s Electrical System with Confidence
Are you battling frustrating electrical gremlins in your vehicle? Flickering dashboard lights, power windows and locks that have a mind of their own, or an engine that refuses to start can all point to a failing Body Control Module (BCM). The BCM is the central command center for your vehicle’s body electronics, and when it fails, it can cause a cascade of confusing and unpredictable issues. Stop chasing symptoms and replace the core component with our fully programmed, ready-to-install solution.
Common Symptoms & Your Solution
A faulty BCM can manifest in numerous ways, often leaving drivers and even technicians guessing. If you’re experiencing any of the following, our Programmed GM 15921353 Body Control Module is the definitive fix:
- Interior or exterior lights not working correctly (staying on or not turning on)
- Power windows, door locks, or security system malfunctioning
- Instrument cluster gauges behaving erratically or not working at all
- Unexplained battery drain when the vehicle is off
- Intermittent no-start or no-crank conditions
- Communication error codes (U-codes) stored in the system
Instead of paying for expensive diagnostic time and dealership programming fees, this module arrives at your door flashed with the latest GM software and perfectly matched to your vehicle’s specific VIN and options.
Features & Real-World Benefits
- ✔ VIN-Specific Programming Included: We program the module to your exact VIN before shipping. This means it arrives ready for a straightforward installation, saving you a costly trip to the dealership.
- ✔ Updated GM Software: Your BCM will be loaded with the newest software updates from General Motors, ensuring optimal performance, reliability, and security over the original unit.
- ✔ Direct-Fit Replacement: This unit is a direct replacement for a wide range of original part numbers, including 15921353, 22860591, 25892622, and many more, guaranteeing a perfect fit and function.
- ✔ No Core Charge: Keep your old module. There are no core charges or hassles with sending the original part back, saving you time and money.
- ✔ One-Year Replacement Warranty: This unit is backed by our one-year replacement warranty. Drive with the assurance that your purchase is protected.
Expert Insight: The BCM as Your Vehicle’s ‘Nervous System’
Think of the BCM as the central nervous system for all the non-engine related electronics in your car, truck, or SUV. It takes inputs from dozens of switches (like your headlight switch or window button) and sensors, and sends commands to operate everything from your interior dome light to the horn. Because it’s so interconnected, a failure here can seem like multiple unrelated problems at once. That’s why a properly functioning and correctly programmed BCM is absolutely critical. Our VIN-programming service ensures that the new ‘brain’ we send you speaks the exact same language as all the other components in your specific vehicle, restoring order and functionality just as the factory intended.
By choosing our Programmed GM 15921353 Body Control Module, you’re not just buying a part; you’re buying a complete, hassle-free solution designed to get your vehicle back on the road quickly and reliably. Provide your VIN during checkout and let our experts handle the rest.
Frequently Asked Questions
What exactly does the Body Control Module do?
The BCM is a computer that manages and controls a wide array of your vehicle’s electronic body functions. This includes power windows, power door locks, interior and exterior lighting, the security system, wipers, and instrument panel warnings, among other things.
How do I provide my VIN for programming?
After you complete your purchase, you will need to send us your vehicle’s 17-digit VIN (Vehicle Identification Number). We will provide clear instructions on how to do this. We cannot ship your order until we receive the VIN, as the programming is essential for the part to work in your vehicle.
Is this part difficult to install?
For someone with moderate mechanical experience, the physical installation is typically straightforward. The BCM is often located under the dashboard on the driver’s or passenger’s side. The main benefit of our service is that the complex and essential software programming is already done for you, making the process much simpler. However, we always recommend consulting a service manual for your specific vehicle’s replacement procedure.
Will any other steps be required after installation?
In some vehicles, additional relearn or synchronization procedures may be necessary after the BCM is installed. The most common are the ‘Setup SDM Primary Key in BCM’ procedure (if the airbag light is on) and a ‘Brake Pedal Position Sensor Relearn’. These procedures typically require a professional-grade scan tool to complete.
What makes this a better option than going to the dealer?
Our solution saves you significant time and money. You get a high-quality module with the latest software, pre-programmed for your vehicle, delivered to your door. This allows you or your mechanic to simply install the part without needing to schedule a separate, expensive appointment at a dealership for programming.
What is the fitment for this Programmed GM 15921353 Body Control Module?
This BCM fits a very wide range of GM vehicles, including models like the Chevrolet Impala, Equinox, Tahoe, Express Van; GMC Acadia, Yukon, Savana Van; Cadillac DTS, CTS, Escalade; Buick Enclave, Lucerne, and many others across various years. Please use the compatibility chart on this page to confirm it is the correct part for your specific vehicle.