Is Your GM Vehicle Plagued by Baffling Electrical Problems?
The Body Control Module, or BCM, is the central command center for your vehicle’s electronic accessories. When it begins to fail, it can cause a cascade of frustrating and seemingly unrelated issues, from flickering lights to a car that won’t start. If you’re dealing with these headaches, you’ve found the solution. This module is a direct-fit replacement for a wide range of GM vehicles, designed to restore full functionality and get you back on the road with confidence.
From the Diagnostic Bay
We had a 2011 Chevy Impala come in with the strangest symptoms. The customer said the dome lights would stay on, the radio would randomly shut off, and sometimes the car wouldn’t recognize the key fob. They had already replaced the battery and alternator with no luck. After a quick scan, we saw multiple communication codes pointing to the BCM. Instead of a costly and time-consuming trip to the dealer, we installed one of our VIN-programmed modules. The car started right up, and every single electronic gremlin was gone. It’s a common failure, but with the right part, it’s a straightforward fix.
Symptoms of a Failing Body Control Module
- ✔ Erratic or non-functional interior and exterior lights (headlights, dome lights, dash lights).
- ✔ Power windows, locks, or mirrors working intermittently or not at all.
- ✔ Malfunctioning security system or anti-theft light staying on.
- ✔ Inaccurate or dead gauges on the instrument cluster.
- ✔ Key fob not being recognized, leading to remote entry/start issues.
- ✔ Parasitic battery drain that kills your battery overnight.
- ✔ A no-start condition where the engine cranks but won’t fire up.
Why Our GM Body Control Module is the Right Choice
Don’t settle for a generic part that requires an expensive trip to the dealership for programming. We take the hassle out of the repair. When you purchase this GM Body Control Module, we flash it with the latest official GM software, specifically matched to your vehicle’s VIN. This ensures all your car’s original features work exactly as they did from the factory. It’s a plug-and-play solution designed to save you time and money.
Installation & Post-Install Notes
While this module is designed for a direct swap, some vehicles may require simple post-installation procedures to sync all systems. This is normal and often necessary when replacing a major computer module.
- 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 required to ensure proper brake light and traction control operation.
Always consult a factory service manual or a qualified technician for vehicle-specific guidance.
Compatible 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
Frequently Asked Questions
What does ‘VIN Programmed’ mean?
It means we load the module with your vehicle’s specific software using your 17-digit Vehicle Identification Number (VIN). This ensures the BCM works correctly with the options and features your car was built with, eliminating the need for dealer programming.
Where is the BCM located on my vehicle?
Location varies by model. Common locations include under the driver’s side dash near the steering column, behind the glove box, or in the center dash console. Please refer to the fitment list on this page for your specific model’s location.
Is this a difficult part to install?
For someone with basic mechanical skills, the physical swap is typically straightforward. It usually involves removing a few dash panels and unplugging connectors. The key is that our pre-programming saves you the most complex step. However, some models may require the post-install relearn procedures mentioned above.
Do I need to send my old BCM back?
No. This part is sold with no core charge. You can keep your original module.
Will this fix a parasitic battery drain?
A failing BCM is a very common cause of parasitic battery drain. The module can fail to ‘go to sleep’ after the car is turned off, continuously drawing power. Replacing a faulty BCM often resolves this issue.
What information do you need from me?
After you place your order, we will need you to provide your vehicle’s 17-digit VIN. This is essential for us to program the module correctly before we ship it to you.