Restore Your Vehicle’s Electrical System with Confidence
Are you battling frustrating electrical gremlins in your Chevrolet Impala or other GM vehicle? Flickering lights, unresponsive power windows, a security system that acts on its own, or warning lights that won’t go away are common signs of a failing Body Control Module (BCM). Don’t let these issues compromise your vehicle’s reliability and your peace of mind. This BCM is the definitive, hassle-free solution to get your car back to perfect working order.
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We professionally program the module to your vehicle’s specific VIN before it leaves our facility. This critical step ensures seamless communication with your car’s other electronic systems, saving you from a mandatory, expensive programming session at a dealership. Get back on the road quickly and affordably.
Common Symptoms & Your Solution
If you’re experiencing any of the following, a failing BCM is the likely culprit:
- Power windows, door locks, or mirrors working intermittently or not at all.
- Interior or exterior lights staying on or not turning on.
- The security system or keyless entry malfunctioning.
- Erratic instrument cluster behavior or false warning lights.
- Communication issues with diagnostic scan tools.
This Programmed Impala Body Control Module 20921436 is the reliable fix for these and other complex electrical problems, restoring full functionality to your vehicle’s essential features.
Features & Benefits
- ✔ VIN-Programmed for Your Vehicle: Arrives ready for installation. Simply provide your VIN during checkout, and we handle the complex programming, saving you hundreds in dealer fees.
- ✔ True Plug-and-Play Installation: Once installed, your vehicle will start and run. In many cases, no further procedures are needed, making this a straightforward repair for a DIYer or professional mechanic.
- ✔ Updated GM Software: We flash the module with the newest, most stable software updates from GM, ensuring optimal performance and longevity.
- ✔ Broad Compatibility: Replaces a wide range of original part numbers, including 15828601, 22860591, 25892622, and many more, making it a versatile solution for numerous GM models.
- ✔ No Core Charge: Keep your old module. There are no core charges or hassles with sending the original part back to us.
- ✔ One-Year Warranty: This unit is backed by our one-year replacement warranty.
Expert Insight: Why VIN Programming is Non-Negotiable
Your vehicle’s BCM is like the central nervous system for all its comfort and convenience features. It communicates with the Engine Control Module, Transmission Control Module, and various sensors. When you install a BCM that isn’t programmed to your car’s unique VIN, these systems can’t talk to each other correctly. This leads to a no-start condition, incorrect feature operation, and persistent error codes. Our pre-programming service bridges that communication gap, ensuring all systems integrate perfectly from the moment you connect the battery. It’s the difference between a quick, successful repair and a car that’s stuck in your driveway.
Important Post-Installation Information
While this module is designed for a simple installation, some vehicles may require additional electronic ‘handshake’ procedures after the BCM is installed. These may include:
- Airbag System Sync: If the airbag warning light is on after installation, a ‘Setup SDM Primary Key in BCM’ procedure may be needed with a professional scan tool.
- Brake Pedal Position Relearn: To ensure proper brake light and traction control function, a brake pedal position sensor recalibration might be necessary.
These procedures are vehicle-specific. We always recommend consulting a factory service manual or a qualified technician if you encounter any issues. This Programmed Impala Body Control Module 20921436 is your first and most important step toward a complete repair.
Frequently Asked Questions
What is a Body Control Module (BCM)?
The BCM is a computer in your vehicle responsible for managing and controlling electronic accessories and body functions. This includes power windows, locks, lights, wipers, the security system, and more. When it fails, it can cause a wide array of strange electrical issues.
Why do you need my VIN number?
Your Vehicle Identification Number (VIN) allows us to program the BCM with the exact software and settings your specific vehicle requires. This includes options like keyless entry, power seat types, and lighting packages. Without VIN-specific programming, the module will not function correctly.
Will this fix my car’s specific problem?
This BCM is the direct solution for issues caused by a faulty module. If you’re experiencing multiple, unrelated electrical problems like those listed in the description, the BCM is the most likely cause. Proper vehicle diagnostics are always recommended to confirm the BCM is the point of failure.
My original part number isn’t listed, will this still work?
Our BCM replaces a large number of original GM part numbers. Please check the comprehensive list in the description. If your part number is on that list, this module is the correct, compatible replacement for your vehicle.
Do I need to do anything after installing it?
For most vehicles, the module is plug-and-play. However, as noted in the description, some models may require a simple relearn procedure for the brake pedal position sensor or airbag system, which can be done with a capable diagnostic tool.
Is there a core charge for my old BCM?
No, there is absolutely no core charge. You are not required to send your original module back to us, which saves you time and shipping costs.