Restore Full Functionality to Your Truck’s Electronics
Is your 2015 Silverado 3500 experiencing a host of bizarre electrical problems? From flickering lights and malfunctioning power windows to a no-start condition, a failing Body Control Module (BCM) can wreak havoc on your vehicle’s systems. The BCM acts as the central nervous system for your truck’s body electronics, and when it fails, the symptoms can be confusing and frustrating. This isn’t just a simple component swap; a new BCM requires specific programming to your vehicle’s VIN and options, a costly procedure typically done at a dealership. We offer a simple, effective, and affordable solution.
From the Diagnostic Bay
We had a 2015 Sierra 2500 (which uses the same BCM) come into the shop with the owner convinced he needed a new battery every six months. The truck had a parasitic draw that no one could find. The dome lights would randomly stay on, the radio wouldn’t shut off with the door open, and the battery would be dead by morning. After checking all the usual suspects, we traced the issue back to a faulty BCM that wasn’t properly putting all the vehicle’s systems to sleep. A cloned BCM from us solved the phantom drain, saving the owner from buying another battery and finally giving him a reliable truck again. These issues often mimic other problems, making proper diagnosis key.
Common Symptoms of a Failing BCM
- ✔ Intermittent or non-functional power windows, door locks, or interior lights.
- ✔ Erratic instrument cluster behavior, with gauges dropping out or warning lights appearing for no reason.
- ✔ Security system faults or the vehicle refusing to start, believing it’s being stolen.
- ✔ Horn, wipers, or radio operating unexpectedly.
- ✔ Rapid battery drain (parasitic draw) when the vehicle is off.
- ✔ Communication error codes with other vehicle modules (U-codes).
The Solution: A Programmed 2015 Silverado 3500 BCM
Our service eliminates the need for expensive dealership programming and diagnostic tools. We take the vital information from your original BCM—including the VIN, mileage, and specific options—and transfer it directly to this replacement unit. The result is a true plug-and-play module that is ready for installation right out of the box. Your truck won’t know the difference, and all its original functions will be restored.
How The Process Works:
- ✔ Place Your Order: Complete your purchase for this BCM programming service.
- ✔ We Contact You: We will reach out with clear, simple instructions for shipping your original BCM to our facility.
- ✔ Ship Your Module: Carefully package and send us your original BCM.
Installation and Post-Install Considerations
The BCM on a 2015 Silverado 3500 is typically located under the steering column on the driver’s side. After installing your newly programmed module, most functions should work immediately. However, in some cases, additional steps may be needed:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a ‘Setup SDM Primary Key in BCM’ procedure is required. This syncs the new BCM with the airbag system and must be performed with a professional-grade scan tool.
- Brake Pedal Position Relearn: To ensure correct brake light and traction control operation, a brake pedal position sensor recalibration might be necessary.
Always consult a factory service manual or a qualified technician for specific guidance related to your vehicle.
Guaranteed Compatibility
This BCM is a direct replacement for the following part numbers: 13592137, 13506935, 13506936, 13587704, 13594764. It is also compatible with a wide range of 2015-2018 GM vehicles as detailed in the fitment list.
Frequently Asked Questions
Why do I need to send my original BCM to you?
Your original BCM contains the unique software and security keys for your truck’s specific VIN and options (like power seats, sunroof, etc.). By cloning this data, we create a true plug-and-play replacement, avoiding the need for expensive dealership programming.
What if my original BCM is completely dead or not communicating?
In many cases, even if the BCM is failing, we can still extract the necessary data. If your module is severely damaged (e.g., by fire or water), please contact us before ordering to discuss options.
Is this a simple plug-and-play installation?
Yes, for over 95% of installations. Once you receive the programmed module, you simply install it, and your vehicle should start and run with all functions restored. In rare cases, a post-install procedure like an airbag sync may be needed, as noted above.
How long does the programming service take?
Once we receive your original module, our technicians typically complete the cloning and testing process within 24-48 business hours. We then ship your replacement module back to you.
Do I need to return the replacement BCM as a core?
No, there is no core charge for this part. You can keep your original module.
Will this BCM fit vehicles other than the 2015 Silverado 3500?
Yes. This module fits a wide variety of 2015-2018 GM vehicles, including the Sierra, Tahoe, Suburban, Escalade, Corvette, and more. Please verify your part number and check the detailed fitment list on this page.