Restore Full Electrical Function to Your GM Vehicle
Is your 2008-2012 Chevy Express 2500 or other compatible GM vehicle plagued by mysterious electrical problems? Flickering lights, malfunctioning power windows, a dead instrument cluster, or a security system that acts on its own are all classic signs of a failing Body Control Module (BCM). The BCM is the central command center for your vehicle’s body electronics, and when it fails, it can cause a cascade of frustrating and seemingly unrelated issues. This VIN-programmed Body Control Module is the definitive solution to restore your vehicle’s electrical systems to factory-perfect operation.
From the Diagnostic Bay
We had a local contractor bring in his 2011 Express 2500 work van. The complaint was intermittent chaos: the dome lights would stay on, the power locks would cycle randomly while driving, and the radio would sometimes refuse to turn off even with the key out. He had already replaced the battery and checked fuses, but the gremlins persisted. After hooking up our diagnostic scanner, we saw multiple communication loss codes pointing to the BCM. Instead of a costly dealer visit and days of downtime, we installed a VIN-programmed module just like this one. The van was back on the road the same afternoon, with all issues resolved. For a business owner, minimizing downtime is crucial, and this part was the key.
Is Your Vehicle Showing These BCM Failure Symptoms?
- ✔ Erratic or non-functional power windows, door locks, and mirrors.
- ✔ Interior or exterior lights that won’t turn on or off correctly.
- ✔ The security system or keyless entry is malfunctioning.
- ✔ Warning lights appearing on the dashboard for no apparent reason (ABS, Airbag, Traction Control).
- ✔ The instrument cluster is behaving erratically or is completely dead.
- ✔ Communication problems between various electronic modules.
- ✔ HVAC (heating and air conditioning) controls not responding.
The Plug-and-Play Solution for Your Express 2500 Body Control Module
Don’t let a faulty BCM keep your vehicle off the road. Our replacement modules eliminate the guesswork and the expensive trip to the dealership. The primary reason for a dealer visit is the need for specialized programming. We handle that for you. When you purchase this module, simply provide us with your vehicle’s VIN (Vehicle Identification Number). Our technicians will then program the BCM with the latest GM-certified software specific to your exact vehicle configuration. This ensures that when the part arrives, it’s ready for a straightforward installation.
Installation and Post-Install Notes
While the module is programmed for your VIN, some vehicle systems may require a simple relearn procedure after installation to sync with the new BCM. This is a standard part of the repair process.
- Airbag System Sync: In some cases, the airbag warning light may illuminate after installation. This indicates the BCM and the SDM (Sensing and Diagnostic Module) need to be synchronized. A professional scan tool is required to perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve this.
- Brake Pedal Position Relearn: A brake pedal position sensor recalibration might be necessary to ensure proper operation of the brake lights and stability control systems.
- No Core Charge: You are not required to return your old, faulty module. There is no core charge associated with this purchase.
Disclaimer: Specific procedures can vary by vehicle. Always consult a factory service manual or a qualified technician for guidance.
Broad Compatibility Across the GM Lineup
This BCM, identified by part number 15921353, is a direct replacement for a wide range of GM vehicles and part numbers. If your original module has any of the following numbers, this unit will be a compatible replacement: 10382479, 15093910, 15276271, 15299986, 15819552, 15828601, 15837419, 15872388, 15872421, 15880684, 15921352, 15948438, 15948439, 20815898, 20839063, 20864767, 20864768, 20921435, 20921436, 20935349, 22860591, 25826124, 25826125, 25847588, 25847589, 25892622, 25910474, 25934762, 25934763, 95151084. It fits models such as the GMC Savana, Chevy Impala, GMC Acadia, Chevy Traverse, Cadillac DTS, and many more. Please verify the part number on your original module to ensure a perfect match.
Frequently Asked Questions
What does a Body Control Module (BCM) do?
The BCM is a computer in your vehicle that controls and monitors a wide variety of non-engine-related functions. This includes power windows, door locks, interior and exterior lighting, the security system, wipers, and the instrument panel, among other things.
Is this BCM truly plug-and-play?
Yes, for the most part. We pre-program the module to your vehicle’s specific VIN before shipping. This handles the most complex part of the replacement. However, as with many electronic module replacements, some simple relearn procedures for systems like the airbag or brake pedal sensor may be required after installation.
How do I provide my VIN?
After you complete your purchase, we will send you a message requesting your vehicle’s 17-digit VIN. Our technicians need this number to load the correct software and vehicle-specific options onto your new BCM before we can ship it.
Will this fix my specific electrical problem?
A faulty BCM is the root cause of a vast number of electrical issues in these vehicles. If you are experiencing several of the symptoms listed above, it is highly likely that this module is the solution. However, we always recommend a proper diagnosis by a qualified technician to confirm the BCM is the point of failure before ordering.
Do I need to return my old BCM?
No. This product comes with no core charge. You can keep your original module without any additional fees or hassle.