Restore Full Electronic Control to Your Vehicle
Are you battling frustrating electrical gremlins in your Saturn VUE or other GM vehicle? Flickering dashboard lights, malfunctioning power windows and locks, or even a vehicle that refuses to start can all point to a failing Body Control Module (BCM). This vital component acts as the central nervous system for your car’s body electronics. When it fails, it can cause a cascade of confusing and inconvenient issues. Get back on the road with confidence with this direct-fit, professionally programmed BCM.
Common Symptoms & Your Solution
A faulty BCM can make your vehicle feel unpredictable and unreliable. If you’re experiencing any of the following, this module is the definitive solution:
- Intermittent or non-working power windows, door locks, or interior lights
- Erratic instrument cluster behavior or warning lights that stay on
- Security system issues or problems with the key fob
- HVAC (heating and air conditioning) control problems
- The vehicle won’t start, but the battery and starter are good
Instead of paying for expensive diagnostic time and programming fees at a dealership, our Programmed GM Body Control Module 20921436 arrives at your door ready for installation. We take the guesswork out of the repair, saving you time, money, and frustration.
Features & Benefits
- ✔ VIN-Specific Programming: We flash the module with the latest GM software updates using your vehicle’s VIN. This ensures perfect communication between all onboard systems, just like the original.
- ✔ Ready for Installation: Because it’s pre-programmed, you can skip the expensive trip to the dealership for coding. This makes for a much simpler, faster installation process.
- ✔ No Core Charge Required: Keep your old part. You won’t have to worry about the cost or hassle of packaging and shipping your original BCM back to us.
- ✔ Wide GM Compatibility: This module replaces a long list of part numbers (including 15948439, 22860591, 25892622, and more), guaranteeing a perfect fit for dozens of Chevrolet, GMC, Saturn, Cadillac, and Buick models.
- ✔ Peace of Mind Included: This unit is backed by our one-year replacement warranty.
Expert Insight: Why VIN Programming is Non-Negotiable
Think of the BCM as an air traffic controller for your vehicle’s electronics. It doesn’t just turn things on and off; it manages communication between the engine computer, transmission module, anti-lock brake system, and airbag sensors. Every vehicle has a unique electronic fingerprint based on its specific options. Using a generic, non-programmed module is like hiring a controller who doesn’t speak the right language—it leads to chaos. Our VIN-specific programming ensures your new BCM integrates seamlessly, restoring not just your power windows, but the entire vehicle’s electronic harmony and safety systems.
By ordering this Programmed GM Body Control Module 20921436, you are choosing a reliable and cost-effective path to resolving your vehicle’s electrical issues. We handle the complex part—the programming—so you can focus on the straightforward installation and enjoy a perfectly functioning vehicle once again.
Frequently Asked Questions
What is a BCM and what does it do?
The Body Control Module (BCM) is a computer in your vehicle responsible for managing and controlling a wide range of electronic functions not related to the engine. This includes power windows, door locks, interior and exterior lighting, security systems, wipers, and climate controls.
How do I know if my BCM is failing?
Common signs of a failing BCM include multiple, unrelated electrical issues happening at once. For example, your radio might not work, your dome light might flicker, and your key fob may stop responding. A persistent battery drain or a car that won’t start can also be symptoms.
Is this a simple plug-and-play installation?
Since we program the module to your VIN before shipping, it is as close to plug-and-play as possible, eliminating the need for dealership programming. However, some vehicles may require a simple relearn procedure after installation, such as for the brake pedal position sensor or the airbag system, which may require a professional scan tool.
What information do you need from me?
After you complete your purchase, you must provide us with your vehicle’s 17-digit Vehicle Identification Number (VIN). This is essential for us to program the BCM correctly for your specific car and its options.
Will I need to perform any procedures after installation?
In some cases, yes. Depending on your specific vehicle, a ‘Setup SDM Primary Key in BCM’ procedure may be needed if the airbag light is on, or a ‘Brake Pedal Position Relearn’ may be required. These procedures typically require a bi-directional scan tool.
Does this part fit other vehicles besides the 2008-2010 Saturn VUE?
Absolutely. This Programmed GM Body Control Module 20921436 is compatible with a vast range of GM vehicles, including many model years of the Chevy Equinox, GMC Acadia, Chevy Impala, Cadillac DTS, and many more. Please check the detailed fitment list on this page to confirm compatibility.