If you’re dealing with bizarre electrical issues in your truck—like power windows with a mind of their own, flickering dash lights, or a security system that prevents your engine from starting—you’ve likely pinpointed the culprit: a failing Body Control Module (BCM). As the central hub for your vehicle’s body electronics, when the BCM goes bad, it can cause a cascade of frustrating and confusing problems. Getting a new one from the dealership often means expensive parts, high labor costs, and mandatory programming fees. Our service offers a smarter, more direct solution.
This is a replacement Body Control Module that comes fully programmed using the data from your original unit. The process is simple: you send us your faulty BCM, we expertly transfer all the critical vehicle-specific information (like VIN, mileage, and key data) to this replacement module, and we ship it right back to you. The result is a true plug-and-play component, eliminating the need for a trip to the dealer and the use of a specialized scan tool for setup. This is the most efficient way to get your 2015 Silverado 3500 BCM replaced and your truck back to normal.
Is Your GM Vehicle Showing These BCM Failure Signs?
- ✔ Power windows, door locks, or mirrors operating intermittently or not at all.
- ✔ The security or anti-theft light is illuminated on the dash, often causing a no-start condition.
- ✔ Interior dome lights or exterior lights (headlights, taillights) staying on or not working correctly.
- ✔ The horn sounding randomly or not working when pressed.
- ✔ Diagnostic Trouble Codes (DTCs) stored in the system, such as U0140 (Lost Communication With Body Control Module) or other B-series codes.
- ✔ Wipers turning on by themselves or not responding to the switch.
A Technician’s Notebook
I remember a 2015 Sierra 2500 that came into the shop with a classic ‘electrical gremlin’ complaint. The owner said his interior lights would flicker, and occasionally, the truck wouldn’t start—it would just click. He’d already replaced the battery twice. We scanned it and found a dozen communication codes pointing everywhere. A less experienced tech might chase those codes for days. But after 20 years, you recognize the pattern. The BCM wasn’t just failing; it was corrupting the entire communication network. Instead of a costly diagnostic rabbit hole, we identified the BCM as the source. A programmed module like this one solved every single issue in one go, saving the customer hundreds in labor and unnecessary parts.
Your Straightforward BCM Installation Guide
- ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- ✔ Locate the BCM: On most GM trucks like the Silverado and Sierra, the BCM is located under the driver’s side of the dashboard, near the steering column. You may need to remove a lower dash panel for access.
- ✔ 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: Seat the newly programmed BCM into the mounting bracket and plug in all the electrical connectors. Ensure they click securely into place.
- ✔ Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position and test all body functions: windows, locks, lights, wipers, and horn. Start the vehicle to ensure it runs properly.
- ✔ Post-Installation Checks: In some cases, additional steps may be needed. If your airbag light is on, an ‘Airbag System Sync’ may be required. Similarly, a ‘Brake Pedal Position Relearn’ might be necessary for proper brake light and traction control function. These procedures typically require a professional diagnostic tool.
Guaranteed Fitment for Your Vehicle
This programming service and replacement module is a direct solution for a wide range of GM vehicles. Please verify your part number and model from the list below. This module is compatible with part numbers 13594692, 13594768, 13593214, 13580690, 13591519, and 13594769.
- ATS (2014)
- CAPRICE / SS CAPRICE (2014-2017)
- CORVETTE (2014)
- CTS (2014 Sedan)
- ESCALADE / ESCALADE ESV (2015)
- IMPALA (2015-2019)
- SIERRA 1500 / DENALI 1500 (2014)
- SIERRA 2500 / 3500 / DENALI (2015)
- SILVERADO 1500 PICKUP (2014)
- SILVERADO 2500 / 3500 PICKUP (2015)
- SUBURBAN 1500 (2015)
- TAHOE (2015)
- XTS (2014)
- YUKON / YUKON XL 1500 (2015)
Note: Always match your original part number or check the specific fitment notes to ensure compatibility. Our cloning service makes this a direct replacement for your specific 2015 Silverado 3500 BCM.
Frequently Asked Questions
What is the process for this programming service?
After you place your order, we will provide you with shipping instructions. You send your original BCM to us. We then transfer its data to the replacement module and ship the ready-to-install part back to you, typically within 1-2 business days of receiving your original.
Why do I need to send my original BCM?
Your original BCM contains vital security information, including VIN and key data, that is unique to your vehicle. By cloning this data, we ensure the replacement module works seamlessly with your truck’s existing systems without needing a trip to the dealership for expensive programming.
Is this really plug-and-play?
Yes. Because we clone your vehicle’s specific data, the module we send you is ready for installation right out of the box. In the majority of cases, no further programming is required. Some vehicles may require a simple relearn procedure as noted in our installation details.
Do I have to return my old part afterward?
No, there is no core charge for this service. You only need to send us your original module for the data transfer service. You can keep your original module after the service is complete.
What if my airbag light comes on after installation?
This is uncommon, but if it happens, it means the new BCM needs to be synced with the airbag system’s Supplemental Deployment Module (SDM). A professional mechanic with a capable scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve this.