If you’re dealing with baffling electrical issues in your 2003-2007 Chevrolet Silverado 1500, the Body Control Module (BCM) is often the culprit. As the central command for your truck’s body electronics, a failing BCM can cause a cascade of problems, from non-working power windows to a frustrating no-start condition. This replacement BCM, part number 15194170, is the definitive solution, offered with a professional cloning service that makes this a true plug-and-play repair.
We transfer the precise data from your original module to this replacement unit. This means it arrives at your door ready for immediate installation with no need for an expensive trip to the dealership for programming. It retains all your vehicle’s specific settings, including key FOB data and factory options, ensuring a seamless restoration of function.
A Technician’s Notebook: The Silverado with a Mind of Its Own
A 2005 Silverado 1500 rolled into my bay last month with a list of complaints that seemed unrelated. The driver said the radio would cut out, the dome light would flicker, and sometimes the truck wouldn’t start, just a click. He’d already replaced the battery and checked the alternator. After hooking up my scanner, I saw a handful of communication codes and a B1001 (Option Configuration Error). These are classic signs of a BCM failure. Instead of a costly diagnostic path, we went straight for a cloned BCM. After a quick 5-minute swap, every single issue was gone. The cloning service saved the customer hundreds in dealership programming fees and diagnostic time.
Is Your Silverado Showing These Signs of BCM Failure?
A faulty BCM can manifest in numerous ways. If you’re experiencing any of the following, this module is your likely solution:
- ✔ Intermittent or non-functional HVAC and climate controls.
- ✔ Power windows, door locks, or mirrors behaving erratically or not working at all.
- ✔ The security light is on, and the engine won’t crank (Passlock issues).
- ✔ An airbag warning light on the dash, often with a related DTC like B1001.
- ✔ Headlights, taillights, or interior lights staying on or not turning on.
- ✔ Erratic windshield wiper operation.
Your Straightforward 5-Minute Installation Guide
Getting your truck back to normal is simple. No complex procedures or special tools are needed for the physical swap.
- Safety First: Always disconnect the negative terminal on your truck’s battery before starting any electrical work.
- Locate the BCM: On most Silverado and Sierra models, the BCM is located under the driver’s side of the dashboard, near the steering column. It’s a black box with several large electrical connectors.
- Swap the Modules: Carefully unplug the wiring harnesses from your old BCM. Remove the module from its mounting bracket and set it aside. Install your new, pre-programmed BCM and securely reconnect all wiring harnesses.
- Reconnect and Test: Reconnect the battery terminal. Start your truck and test all functions: lights, locks, windows, HVAC, and wipers to confirm the repair is complete.
Post-Installation Note: In some cases, particularly if the airbag light was on, a post-install procedure like an ‘Airbag System Sync’ or ‘Brake Pedal Position Relearn’ may be needed using a professional scan tool. This is not always required but is important to be aware of.
Verified Fitment For Your GM Truck or SUV
This BCM is a direct replacement for part number 15194170 and other interchangeable numbers. It is guaranteed to fit the following models:
- Chevrolet Silverado 1500/2500/3500: 2003, 2004, 2005, 2006, 2007 (Classic)
- GMC Sierra 1500/2500/3500: 2003, 2004, 2005, 2006, 2007 (Classic)
- Chevrolet Tahoe / Suburban: 2003-2006
- GMC Yukon / Yukon XL: 2003-2006
- Cadillac Escalade / ESV / EXT: 2003-2006
- Chevrolet Avalanche: 2003-2006
- Hummer H2: 2003-2007
- Chevrolet Express / GMC Savana Van: 2004-2007
Frequently Asked Questions
What exactly is the ‘Cloning Service’?
Cloning is a process where we transfer the complete software and vehicle-specific data (like VIN, mileage, and key information) from your original BCM to the replacement unit. This makes the new module an exact digital copy of the old one, ensuring 100% plug-and-play functionality without any additional programming.
Do I need to send my original BCM to you?
Yes. For the cloning service to work, we need your original module to extract the data. We will perform the service and ship both your original module and the newly cloned replacement back to you promptly.
What if my old BCM is completely dead or water damaged?
In many cases, even with significant damage, our technicians can still extract the necessary data. Please contact us before ordering if you suspect your module is non-communicative, and we can discuss the options.
Will this fix my airbag light?
If the airbag light is caused by a BCM fault code like B1001, this will resolve the source of the problem. However, after installation, you may need a professional scan tool to perform the ‘Setup SDM Primary Key in BCM’ procedure to clear the light and sync the systems.
Is there a core charge for my old part?
No. There is no core charge. Your original module is required for the cloning service and will be returned to you along with the replacement part.