Are you battling frustrating electrical issues in your Chevrolet Silverado? When your power windows, door locks, or climate controls start acting erratically, the culprit is often a failing Body Control Module (BCM). This module is the central nervous system for your truck’s body electronics, and when it malfunctions, it can cause a cascade of confusing problems. This replacement BCM, compatible with part number 15284816, is the definitive solution for restoring full functionality and peace of mind to your vehicle.
We take the guesswork and extra cost out of the repair. Each module is expertly programmed to your truck’s specific Vehicle Identification Number (VIN) before it ships. This means no expensive trips to the dealership for programming—it’s a true plug-and-play fix. Whether you’re a seasoned mechanic or a DIYer tackling your first major electronic repair, this part is designed for a seamless installation experience, getting your hard-working truck back to 100%.
Is Your Silverado Showing These Electrical Faults?
- ✔ Intermittent or completely dead HVAC and blower motor controls.
- ✔ Power windows, mirrors, or door locks not responding.
- ✔ An illuminated airbag warning light, often with DTC B1001 stored.
- ✔ Security system malfunctions, causing no-start or stalling conditions.
- ✔ Headlights, taillights, or interior lights behaving unpredictably.
- ✔ Unexplained battery drain or strange communication error codes.
From the Diagnostic Bay: The “Haunted” Truck Case
I had a 2013 Silverado 3500 roll into my shop last month with a list of symptoms that made the owner think his truck was possessed. The radio would turn on and off, the driver’s side window wouldn’t roll down, and the AC was on the fritz. He’d already replaced the battery and checked fuses. After hooking up my scanner, I saw a handful of communication codes and the infamous B1001 airbag code. Experience told me this wasn’t five different problems; it was one. The BCM was failing internally, corrupting data across the network. A new, programmed 2013 Silverado 3500 BCM and a quick SDM key sync later, and every single issue was resolved. It’s a common failure point on these GM trucks, but thankfully, it’s a straightforward fix.
Your 5-Minute BCM Installation Guide
- ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery before beginning any electrical work.
- ✔ Locate the BCM: On most GM trucks like the Silverado, the BCM is found under the driver’s side dashboard, to the left of the steering column.
- ✔ Disconnect and Remove: Carefully unplug the electrical connectors from the old module. They have release tabs that need to be pressed. Once disconnected, unclip or unbolt the old BCM and remove it.
- ✔ Install the New Module: Seat the new, pre-programmed BCM into the mounting location and plug in all the electrical connectors until they click securely into place.
- ✔ Reconnect and Test: Reconnect the negative battery terminal. Start the vehicle and test all functions: windows, locks, lights, wipers, and HVAC to confirm the repair is successful.
Post-Installation Procedures
While this module is designed for plug-and-play operation, some vehicles require a simple relearn procedure. If your airbag light remains on after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ function. This syncs the new BCM with the airbag system. In some cases, a Brake Pedal Position relearn may also be needed to ensure proper brake light and stability control operation. And remember, there’s no core charge, so you can keep or discard your old part without any hassle.
Verified Fitment for Your GM Truck or SUV
This Body Control Module is a direct replacement for part number 15284816 and other interchangeable numbers. It is guaranteed to fit the following vehicles:
ESCALADE & ESCALADE ESV/EXT 07-11
SIERRA 1500/2500/3500 & DENALI 07-13
SILVERADO 1500/2500/3500 PICKUP 07-13
SUBURBAN 1500/2500 07-11
TAHOE 07-11
YUKON & YUKON XL 1500/2500 07-11
Note: For 2007 models, this fits the ‘new style’ with a smooth door skin. For some 2010-2013 models, please verify your original part ID matches one of the interchangeable numbers like 25835966.
Frequently Asked Questions
Does this 2013 Silverado 3500 BCM really come programmed?
Yes, absolutely. We program the module to the VIN you provide during checkout. This ensures it communicates perfectly with your truck’s other systems right out of the box, saving you a trip to the dealer.
Why is my airbag light still on after installing the new BCM?
This is a normal security feature. The new BCM needs to be electronically ‘introduced’ to the airbag system (SDM). This requires a professional scan tool to perform the ‘Setup SDM Primary Key in BCM’ procedure, which typically takes just a few minutes.
Is this part difficult for a DIYer to install?
Not at all. The physical installation is very simple and usually takes less than 10 minutes. It’s located under the dashboard and just involves swapping a few electrical connectors. No special tools are needed for the physical swap.
Do I need to send my old part back?
No, there is no core charge or requirement to return your old BCM. You are free to keep it or dispose of it.
What other part numbers is this compatible with?
This module is a direct replacement for numerous part numbers, including 15284816, 25844480, 25835966, 15943678, 20939137, 22860591, and many others listed in the product details.