Is Your Silverado 3500 Plagued by Electrical Gremlins?
If you’re dealing with flickering lights, erratic power windows, a security system that has a mind of its own, or dashboard warnings that make no sense, you’re likely facing a failing Body Control Module (BCM). As the central hub for your truck’s body electronics, a faulty BCM can cause a cascade of frustrating and hard-to-diagnose issues. Stop chasing symptoms and fix the root cause with our pre-programmed BCM replacement service, designed specifically as a reliable fix for your 2015 Silverado 3500 BCM and many other GM vehicles.
Forget expensive dealership visits and the hassle of programming. Our unique cloning service makes this repair straightforward. Simply send us your original BCM, and our expert technicians will transfer all the critical vehicle-specific data—including VIN, mileage, and key information—to this replacement unit. We then ship it back to you, ready for a true plug-and-play installation. It’s the most efficient and cost-effective way to restore your vehicle’s functionality and peace of mind.
A Technician’s Notebook: The Case of the Haunted Sierra
A customer brought in a 2015 Sierra 2500 with a list of bizarre complaints: the radio would turn on by itself, the driver’s side window wouldn’t go down, and the anti-theft light would flash randomly, sometimes causing a no-start. They had already replaced the battery and checked grounds. After connecting my scanner, I saw multiple U-codes (U0140, U0155) indicating a loss of communication with the BCM. Instead of a costly new module and hours of programming at the dealer, we opted for a cloned BCM. We transferred the data from his failing unit to a replacement. Once installed, every single electrical gremlin vanished. It’s a perfect example of how a failing 2015 Silverado 3500 BCM can mimic a dozen other problems, and why a data-cloned module is the most direct fix.
Is Your GM Vehicle Showing These BCM Failure Symptoms?
- ✔ Power windows, door locks, or interior lights operating intermittently or not at all.
- ✔ The security or anti-theft system engaging randomly, causing no-start conditions.
- ✔ Horn honking unexpectedly or wipers activating on their own.
- ✔ Inaccurate or dead gauges on the instrument cluster.
- ✔ Communication error codes stored, such as U0140, U0151, or other “U” codes.
- ✔ The air conditioning or climate control system behaving erratically.
Your Straightforward Installation Guide
Our cloning service does the complex work for you. Installing your replacement module is a simple, direct swap.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- Locate the BCM: On most Silverado and Sierra models, the BCM is located under the steering column, on the driver’s side of the dash. It may be behind a kick panel.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket.
- Install the New Module: Mount your new, pre-programmed BCM in the same location and securely reconnect all electrical connectors. Ensure they click into place.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the ignition to the ‘On’ position and test all body functions—windows, locks, lights, wipers, etc.—to confirm the repair was successful.
Important Post-Installation Information
While our service makes this a plug-and-play repair, some GM systems may require a quick sync-up after installation:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a simple “Setup SDM Primary Key in BCM” procedure is needed. This can be performed with a professional-grade scan tool to sync the modules and clear the light.
- Brake Pedal Position Relearn: On certain models, a brake pedal position sensor relearn might be necessary to ensure brake lights and traction control function correctly. This is also done with a diagnostic tool.
- No Core Charge: You are not required to return your original module to us after the service. Keep it!
Disclaimer: Vehicle systems vary. Always refer to a factory service manual or a certified technician if you are unsure about any procedure.
Will This Fit My Vehicle?
This BCM is a direct replacement for part numbers 13594692, 13594768, 13593214, 13580690, 13591519, and 13594769. It is confirmed to fit the following models, but always verify your part number before ordering:
- 2015 Silverado 2500/3500 & Sierra 2500/3500: (under steering column or LH firewall, check ID)
- 2014 Silverado 1500 & Sierra 1500: (under steering column)
- 2015 Tahoe, Suburban 1500, Yukon, Yukon XL 1500, Escalade & ESV: (under steering column)
- 2014-2017 Chevrolet SS & Caprice: (BCM)
- 2015-2019 Chevrolet Impala: (LH Dash)
- 2014 Cadillac Corvette, CTS, ATS, XTS
Frequently Asked Questions About Our BCM Service
How does the cloning service work?
How does the cloning service work?
After you place your order, we will provide you with instructions to ship your original BCM to us. Our technicians will then extract the vehicle-specific data and flash it onto the replacement module. We then ship the ready-to-install BCM back to you, typically within 24-48 hours of receiving your original part.
Do I need to have a dealer program this module?
No. The entire purpose of our service is to eliminate the need for dealer programming. Because we clone the data from your original module, the replacement BCM is plug-and-play for your specific vehicle.
Is this a reliable fix for my 2015 Silverado 3500 BCM?
Absolutely. We use high-quality, tested modules and professional data transfer equipment to ensure a dependable, long-lasting solution. This service restores the factory functionality of your vehicle’s electronics.
What if my original BCM is completely dead or not communicating?
In many cases, even if the BCM is failing, we can still recover the necessary data. Please contact us before ordering if your module is severely damaged by water or fire, or if it has no communication whatsoever, so we can discuss the options.
What is the warranty on this part?
This Body Control Module comes with our standard lifetime warranty, covering any defects in the module or the programming service for as long as you own the vehicle. We stand behind our work.