Restore Full Functionality to Your GM Truck with a Programmed BCM
If you’re dealing with bizarre electrical issues in your 2003-2007 Silverado 2500, you’re not alone. As the central command for your truck’s body electronics, a failing Body Control Module (BCM) can cause a cascade of frustrating problems. This replacement BCM, part number 15137395, is the definitive solution. We solve the biggest hurdle of BCM replacement—dealership programming—with our expert cloning service. Simply send us your original module, and we’ll transfer its unique data to this replacement unit. The result? A true plug-and-play part that restores your truck’s functionality right out of the box, with no expensive trips to the dealer.
From the Diagnostic Bay: The Case of the Possessed Silverado
I had a 2006 Silverado 2500 roll into my shop last month with a list of symptoms that sounded like a prank. The driver said his horn would honk randomly, the dome light wouldn’t turn off, and his power windows only worked on Tuesdays—I’m not kidding. A basic scan showed a dozen communication codes, all pointing back to the BCM. These modules often fail from internal corrosion or voltage spikes, creating chaos. Instead of a costly new module and programming fees, we used a cloned unit. The customer sent his old BCM, we cloned it, and he installed the replacement in his driveway in under 10 minutes. All the ‘ghosts’ were gone. This 2003-2007 Silverado 2500 BCM is the exact type of reliable fix we use for these jobs.
Are These Gremlins Haunting Your Truck?
- ✔ The security light stays on, or the truck won’t start (Passlock issues).
- ✔ Power windows, door locks, or mirrors operate intermittently or not at all.
- ✔ HVAC controls are dead, or the blower motor has a mind of its own.
- ✔ The airbag warning light is illuminated, often with a B1001 DTC.
- ✔ Interior or exterior lights flicker, stay on, or won’t turn on.
- ✔ The radio or instrument cluster behaves erratically.
- ✔ Wipers won’t function correctly.
Your Straightforward Installation Guide
- ✔ Safety First: Always disconnect the negative terminal from your truck’s battery before starting work. This prevents electrical shorts and helps reset the system.
- ✔ Locate the BCM: On most Silverado and Sierra models, the BCM is located under the driver’s side dashboard, just to the left of the steering column. It’s a black box with several multi-pin connectors.
- ✔ Swap the Modules: Carefully unplug the color-coded connectors from your old BCM. They have locking tabs that need to be depressed. Remove the old module (it’s typically held by a few small bolts or clips) and install the new one in its place.
Post-Installation Checks
Thanks to our cloning service, most vehicles will not require any additional steps. However, in some cases, you may need a professional scan tool to perform a quick relearn procedure. This is most common if you see an airbag light, which may require an ‘SDM Primary Key Setup’ to sync the modules. This is a simple procedure for any qualified technician. Our goal is to provide a seamless repair, and this 2003-2007 Silverado 2500 BCM is the most direct path to achieving that.
Guaranteed Fitment for Your GM Vehicle
This module is a direct replacement for part number 15137395 and is interchangeable with 15116066, 15137394, 15198116, and others. It is verified to fit the following models (Crew Cab configurations and specific options noted):
- Chevrolet Silverado 2500/3500 HD: 2003, 2004, 2005, 2006, 2007 (Classic)
- GMC Sierra 2500/3500 HD: 2003, 2004, 2005, 2006, 2007 (Classic)
- Chevrolet Avalanche 1500/2500: 2003-2006
- Chevrolet Suburban 1500/2500: 2003-2006
- Chevrolet Tahoe: 2003-2006
- GMC Yukon & Yukon XL 1500/2500: 2003-2006
- Cadillac Escalade, ESV, EXT: 2003-2006
- Hummer H2: 2003-2007
- Chevrolet Express & GMC Savana Vans: 2004-2007 (w/ tradesman package)
Frequently Asked Questions
What is the cloning service and how does it work?
Our cloning service is a simple process where you mail us your original BCM. Our technicians extract the vehicle-specific software and data and flash it onto your replacement module. This makes the new part a perfect digital copy, ensuring it works immediately upon installation without needing a trip to the dealership for programming. We then ship both your original and the ready-to-install replacement back to you.
Do I need any special tools for installation?
No, typically you only need basic hand tools like a socket set or screwdriver to access and remove the module from under the dashboard. The electrical connectors unplug by hand.
Will this fix my ‘Service Airbag’ light?
A faulty BCM is a common cause of a false airbag light and codes like B1001. Replacing it with our cloned unit often resolves the issue. If the light remains on after installation, a simple ‘Setup SDM Primary Key in BCM’ procedure with a pro-level scan tool will be needed to sync the systems.
Is this a reliable, long-term fix?
Absolutely. We use high-quality, OEM-spec modules and the latest software available from the manufacturer during the cloning process. This ensures the repair is not just a temporary patch but a lasting solution to restore your truck’s electronic stability. The part is backed by a one-year warranty for your peace of mind.
What happens to my old BCM?
Your original module is always returned to you along with the programmed replacement unit. We do not keep your core, so there is no core charge or hassle.