Restore Your Vehicle’s Electrical System with a Plug-and-Play BCM
Are you chasing down frustrating electrical gremlins in your GM vehicle? Intermittent power windows, flickering dash lights, a security system that acts up, or even a no-start condition can often be traced back to one component: a failing Body Control Module (BCM). As a technician with over two decades of experience, I’ve seen how a faulty BCM can turn a reliable vehicle into a source of constant headaches. This isn’t just an inconvenience; it affects your car’s core functions and your peace of mind.
This replacement Body Control Module is the definitive solution. It’s not just a part in a box; it’s a complete service. We take your vehicle’s unique Vehicle Identification Number (VIN) and flash this module with the latest, most stable software directly from GM. This means it arrives at your door ready to be installed, eliminating the need for an expensive trip to the dealership for programming. This is the most efficient way to get your car, truck, or van back to 100% functionality. By choosing this Programmed GM BCM, you’re getting a reliable part that integrates seamlessly with your vehicle’s existing systems.
A Technician’s Notebook
A customer brought in their 2011 Chevy Impala last month with a laundry list of bizarre issues. The radio would turn on and off by itself, the driver’s side power window wouldn’t work, and the anti-theft light would flash randomly, sometimes preventing the car from starting. They had already replaced the battery and checked fuses with no luck. After a quick scan, I saw multiple communication loss codes with various modules. This is a classic sign of a BCM failure. Instead of a complex rewiring job, the fix was this exact Programmed GM BCM. Once installed, every single electrical issue was resolved. The customer was thrilled to have their car back to normal without a massive repair bill.
Is Your GM Vehicle Showing These BCM Failure Signs?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, this module is likely the solution you need:
- ✔ Erratic or non-functional power windows, door locks, or mirrors.
- ✔ Interior or exterior lights that stay on, flicker, or don’t work at all.
- ✔ The security system or keyless entry malfunctioning.
- ✔ Warning lights (like the airbag or ABS light) appearing on the dash for no reason.
- ✔ The horn honking unexpectedly or not working when pressed.
- ✔ Communication errors between various electronic modules, leading to a no-start condition.
- ✔ Wipers operating incorrectly or activating on their own.
Your Straightforward BCM Installation Guide
Installing your new BCM is a manageable job for a confident DIYer. While the exact location varies by model (see fitment list), the general process is similar.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes to allow the systems to discharge.
- Locate the BCM: On most listed vehicles, it’s found under the driver’s side dash, near the steering column, or in the center dash area. Refer to our fitment list for your specific model’s location.
- Disconnect and Remove: Carefully unplug the electrical connectors. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the old BCM and remove it from the vehicle.
- Install the New Module: Mount your new, pre-programmed BCM in the same location. Secure it and firmly reconnect all electrical connectors, ensuring they click into place.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position and test all body functions—windows, locks, lights, wipers, etc.—to confirm the repair.
Important Post-Installation Steps
After replacing your BCM, a couple of final procedures are necessary to ensure full system integration and safety. These typically require a professional-grade scan tool.
- Airbag System Reset: To clear the airbag warning light, the ‘Setup SDM Primary Key in BCM’ procedure must be performed. This re-establishes the security handshake between the new BCM and the airbag system’s Sensing and Diagnostic Module (SDM).
- Brake Pedal Position Sensor Relearn: Some vehicles may require a recalibration of the brake pedal position sensor. This ensures the brake lights and stability control systems function correctly with the new module.
Note: If you are not equipped to perform these steps, a local repair shop can complete them for you quickly after you’ve installed the part.
Verified Fitment For Your General Motors Vehicle
This module is a direct replacement for a wide range of GM vehicles and supersedes multiple part numbers, ensuring you get the correct component. Please verify your model and year below. This unit replaces 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.
- ACADIA 07-12
- AVALANCHE 1500 10
- CAPRICE 11-13
- CAPTIVA SPORT 12
- CTS 08-13
- DTS 06-11
- ENCLAVE 08-12
- EQUINOX 07-09
- ESCALADE / ESV / EXT 10
- EXPRESS 1500/2500/3500 VAN 08-12
- G8 08-09
- HUMMER H2 08-09
- IMPALA 06-13
- LUCERNE 06-11
- MONTE CARLO 06-07
- OUTLOOK 07-10
- SAVANA 1500/2500/3500 VAN 08-12
- SRX 07-09
- STS 10
- SUBURBAN 1500 10
- TAHOE 10
- TORRENT 07-09
- TRAVERSE 09-12
- VUE 08-10
- YUKON / YUKON XL 1500 10
Note: Some models have specific IDs or engine options. Please match your vehicle details carefully or contact us for confirmation.
Frequently Asked Questions
What exactly does a Body Control Module do?
The BCM is like the central nervous system for your vehicle’s non-engine related electronics. It controls functions like power windows, locks, interior and exterior lighting, wipers, the security system, and more. When it fails, these systems can become unreliable.
Why do I need to provide my VIN?
Your VIN is essential because it allows us to program the BCM with the specific software and settings for your vehicle’s exact configuration (e.g., with or without a sunroof, specific lighting packages, etc.). This ensures it works correctly right out of the box.
Is this a difficult part to install myself?
For someone with basic mechanical skills and tools, the physical installation is generally straightforward. The main challenge is accessing the module, which is usually under the dashboard. The post-installation electronic procedures (like the airbag reset) often require a professional scan tool.
Will this Programmed GM BCM fix my ‘Service Airbag’ light?
A faulty BCM can cause a false airbag light. Replacing it will resolve the root cause, but the light itself must be reset using the ‘Setup SDM Primary Key in BCM’ procedure with a compatible diagnostic tool after installation.
What happens if I don’t do the brake pedal recalibration?
If your vehicle requires it, skipping the brake pedal position sensor relearn can lead to incorrect brake light operation or issues with the vehicle’s stability control system. It’s a critical safety step to ensure all systems function as designed.