Is your 2008-2012 GMC Savana or Chevy Express van experiencing bizarre electrical problems? You’re not alone. The Body Control Module, or BCM, is the central command center for your vehicle’s body electronics. When it begins to fail, it can cause a cascade of frustrating and seemingly unrelated issues. This pre-programmed BCM is the definitive solution to restore your van’s functionality and reliability.
The BCM acts as the brain for components like your power windows, door locks, interior and exterior lighting, security system, and even the gauges on your instrument cluster. A faulty BCM can lead to a vehicle that’s not only annoying to drive but potentially unsafe. Instead of spending a fortune at the dealership for a new module and expensive programming, we offer a straightforward, cost-effective alternative. We take a genuine GM module and flash it with the latest official software, specifically matched to your vehicle’s VIN. This ensures perfect compatibility and function right out of the box.
From the Diagnostic Bay
We had a 2011 Savana 2500 work van come into the shop that was driving the owner crazy. The dome lights would stay on intermittently, draining the battery overnight. On top of that, the power locks would only work from the driver’s side switch. The owner had already replaced the battery and checked all the fuses. After connecting our diagnostic tool, we saw multiple communication error codes pointing to the BCM. A replacement was the only fix. By installing a VIN-programmed BCM like this one, we resolved all the electrical gremlins in a single repair, getting his work van back on the road and reliable again.
Common Symptoms of a Failing BCM
- ✔ Erratic or non-functional interior and exterior lights.
- ✔ Power windows, mirrors, or door locks working intermittently or not at all.
- ✔ The security system light flashing, or the alarm going off randomly.
- ✔ Instrument panel gauges behaving erratically or going dark.
- ✔ The vehicle failing to start, even with a good battery and starter.
- ✔ “Service Electrical System” or similar warnings on the dash.
Why Choose Our Pre-Programmed 2008-2012 Savana BCM?
This isn’t just a replacement part; it’s a complete solution. We handle the complex programming for you. Simply provide your vehicle’s VIN during checkout, and our technicians will flash the module with the correct software and updates for your specific vehicle configuration. This eliminates the need for expensive dealer-only tools and programming appointments. It’s designed for a direct, simple installation process.
Post-Installation Information
After installing your new BCM, some vehicles may require additional simple procedures to sync with other vehicle systems. These are known as ‘relearn’ procedures.
- Airbag System Sync: If your airbag warning light is illuminated 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: To ensure correct brake light and traction control operation, a brake pedal position sensor recalibration might be necessary on certain models.
Please note: Specific requirements can vary. Always consult a factory service manual or a qualified technician for guidance.
Fitment and Part Number Compatibility
This BCM is a direct replacement for a wide range of GM vehicles and interchanges with 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. It fits many models including the Express, Tahoe, Suburban, Acadia, Impala, and more. Please verify the part number to ensure compatibility.
Frequently Asked Questions
What does a Body Control Module (BCM) do?
The BCM is a computer in your vehicle that controls and monitors most of the non-engine related electronic functions, such as lighting, power windows, security systems, and door locks.
Why do you need my VIN?
Your Vehicle Identification Number (VIN) allows us to program the BCM with the exact software and settings that your vehicle had from the factory. This ensures all features work correctly and makes the installation process much simpler.
Is this part difficult to install?
The physical installation is typically straightforward, involving disconnecting the battery and swapping the module. However, some models may require post-installation ‘relearn’ procedures for the airbag or brake systems, which may require a professional scan tool.
Will this fix my ‘no-start’ problem?
A faulty BCM is a common cause of no-start conditions, especially if it’s related to the anti-theft system. If your BCM has failed, this replacement will resolve that issue. However, other components like the starter or fuel pump can also cause a no-start, so proper diagnosis is key.
Is there a core charge for my old BCM?
No, there is no core charge. You can keep your original module without needing to send it back to us.