Is your vehicle suffering from strange and unpredictable electrical problems? You may have a failing Body Control Module.
The Body Control Module, or BCM, is the central nervous system for your vehicle’s electronic accessories. When it starts to fail, it can cause a cascade of frustrating issues that seem unrelated. From flickering lights to a car that won’t start, a faulty BCM can make your vehicle feel unreliable. This VIN-programmed Body Control Module is the definitive solution, designed to restore full functionality to your GM vehicle without a costly trip to the dealership.
From the Diagnostic Bay
We once had a 2008 Chevy Impala in the shop with a list of bizarre symptoms. The radio would turn on and off by itself, the driver’s side power window worked intermittently, and the anti-theft light would flash randomly, sometimes preventing the car from starting. The customer had already replaced the battery and checked fuses with no luck. A quick scan showed multiple communication errors pointing towards the BCM. After swapping in a pre-programmed module just like this one, every single issue vanished. It’s a perfect example of how this single component can be the root of widespread electrical chaos.
Common Symptoms of a Failing BCM
- ✔ Erratic or non-functional interior and exterior lights.
- ✔ Power windows, door locks, or mirrors not working correctly.
- ✔ Intermittent no-start conditions or security system warning lights.
- ✔ Horn honking unexpectedly or not working at all.
- ✔ Inaccurate gauge readings on the instrument cluster.
- ✔ Diagnostic scan tools unable to communicate with the module.
Why Choose Our Programmed GM Body Control Module?
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take the hassle out of the repair by pre-programming the module to your vehicle’s specific Vehicle Identification Number (VIN) before it ships. This ensures that all the factory settings and vehicle options are correctly configured. Our process uses the latest GM software updates, so you’re not just replacing the part—you’re getting the most current and stable software available for your vehicle. This plug-and-play approach means no additional programming is required for most vehicles, saving you time and hundreds of dollars in dealership fees.
This module is a direct replacement for the following part numbers: 10382479, 15093910, 15276271, 15299986, 15819552, 15828601, 15837419, 15872388, 15872421, 15880684, 15921352, 15921353, 15948438, 15948439, 20815898, 20839063, 20864767, 20864768, 20921435, 20921436, 20935349, 22860591, 25826124, 25826125, 25847588, 25847589, 25892622, 25910474, 25934762, 25934763, 95151084.
Post-Installation Information
While this module is designed for a straightforward installation, some vehicles may require minor follow-up procedures:
- Airbag System Sync: If your airbag warning light is on after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the new BCM with the airbag system.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be necessary to ensure correct brake light and traction control operation.
Always consult a factory service manual or a qualified technician for vehicle-specific instructions.
Frequently Asked Questions
What is a Body Control Module (BCM) and what does it do?
The BCM is a computer in your car that controls and monitors a wide range of electronic body functions not related to the engine, such as power windows, locks, lights, wipers, security system, and more.
How do I know if my BCM is the problem?
Common signs include multiple, unrelated electrical issues happening at once, such as lights flickering, gauges acting erratically, or power accessories failing. A diagnostic scan showing communication codes with the BCM is a strong indicator.
Is this module difficult to install?
Installation is typically straightforward. The BCM is usually located under the dash on the driver’s or passenger’s side. Since we program it to your VIN, it’s a plug-and-play process that does not require a trip to the dealer for programming.
What information do you need from me to program the module?
After you place your order, you will need to provide us with your vehicle’s 17-digit VIN. This allows us to program the module with the correct software and settings for your specific car.
Do I need to send my old part back?
No, there is no core charge for this module. You can keep your original part.