Tired of Chasing Electrical Gremlins in Your GM Truck?
As a technician with over two decades of experience, I’ve seen it all. Your 2015 Silverado 2500 starts acting possessed—the radio turns on by itself, the power windows have a mind of their own, the security light flashes for no reason, or worse, the truck won’t start at all. These aren’t random glitches; they’re classic signs of a failing Body Control Module (BCM). The BCM is the central command for your truck’s comfort and security features, and when it goes bad, it can be incredibly frustrating to diagnose.
The biggest headache isn’t swapping the part; it’s the programming. A new BCM from the dealer is just a blank box. It requires expensive, specialized tools and software to program it to your truck’s specific VIN and options. That means a tow to the dealership, high labor costs, and significant downtime. Our service eliminates that entire ordeal.
How Our Simple Cloning Service Works
We provide a reliable, tested BCM that is professionally programmed with your vehicle’s exact data. The process is straightforward:
- You purchase this service.
- We contact you with simple instructions to ship your original BCM to our facility.
- Our expert technicians transfer 100% of the critical data from your original module to the replacement unit. This includes VIN, mileage, key data, and option configurations.
- We ship the fully programmed, ready-to-install BCM back to you, typically within 24-48 hours of receiving your original.
This method makes the repair of your 2015 Silverado 2500 BCM a simple plug-and-play process, getting you back on the road without a trip to the dealer.
Case Study: A Tricky Diagnosis
A customer brought in a 2015 Sierra 2500 (which uses the same BCM) with a bizarre issue: every time he used the right turn signal, the dome light would flicker and the radio would cut out. He’d already replaced the battery and checked all the grounds. After connecting my scan tool, I saw a dozen intermittent communication codes (U-codes) pointing to the BCM. Instead of a costly diagnostic rabbit hole, we recommended our BCM cloning service. He sent us his module, we cloned it to a replacement unit, and he installed it in his driveway in under 30 minutes. The strange electrical issues were gone instantly. It saved him hundreds in dealer diagnostic fees and weeks of frustration.
Common Signs of a Failing BCM
If you’re experiencing any of the following, a faulty BCM is the likely culprit:
- ✔ Erratic or non-functional power windows, door locks, or interior/exterior lights.
- ✔ The security system light stays on, preventing the vehicle from starting.
- ✔ Horn honking randomly or not working at all.
- ✔ Wipers activating on their own or not responding to the switch.
- ✔ Multiple communication error codes, such as U0140, U0155, or other U-series codes.
- ✔ A complete no-start condition where the starter doesn’t even click.
Your Straightforward Installation Guide
- ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- ✔ Locate the BCM: On most 2015 Silverado/Sierra trucks, the BCM is located under the driver’s side of the dashboard, near the steering column or against the firewall.
- ✔ Remove Connectors: Carefully unplug all the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Do not force them.
- ✔ Swap the Module: Unbolt the old BCM and remove it. Mount the new, programmed BCM in its place.
- ✔ Reconnect Everything: Plug all the electrical connectors firmly back into the new module. Reconnect the negative battery terminal.
- ✔ Final Checks: Start the vehicle and test all functions (lights, windows, locks, etc.). Note the post-installation procedures below.
Important Post-Installation Notes
While our programming makes this a near plug-and-play repair, some vehicle systems may require a final handshake to recognize the new module. These do not require a trip to the dealer and can often be performed by a well-equipped independent shop.
- Airbag System Sync: If your airbag/SRS light is on after installation, a procedure called ‘Setup SDM Primary Key in BCM’ is needed. This syncs the airbag system with the new BCM and requires a professional-grade scan tool.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be required to ensure correct brake light operation and traction control functionality.
Disclaimer: Vehicle systems vary. Always refer to a factory service manual or consult a qualified technician if you are unsure about any step.
Verified Vehicle Compatibility
This BCM, identified by part number 13594692, is a direct replacement for several other part numbers, including 13594768, 13593214, 13580690, 13591519, and 13594769. It fits a wide range of GM vehicles:
- Chevrolet Silverado 1500/2500/3500: 2014-2015
- GMC Sierra 1500/2500/3500 & Denali Models: 2014-2015
- Chevrolet Suburban / Tahoe: 2015
- GMC Yukon / Yukon XL: 2015
- Cadillac Escalade / ESV: 2015
- Chevrolet Impala: 2015-2019
- Chevrolet SS / Caprice: 2014-2017
- Cadillac ATS / CTS / XTS: 2014
- Corvette: 2014
Please match your part number or contact us to confirm fitment for your specific vehicle.
Frequently Asked Questions
Do I need to get this BCM programmed by a dealer?
No. The entire point of our service is to handle the programming for you. We clone the data from your original BCM, so when you receive the replacement, it’s ready to install without any dealer intervention.
What data is transferred during the cloning process?
We perform a complete data transfer, which includes your vehicle’s VIN, immobilizer/key data, mileage, and all factory-installed options. This ensures all features work exactly as they did before.
How long does the service take?
We will program and ship your replacement BCM within 24-48 business hours of receiving your original module. Return shipping time will depend on your location.
Is there a core charge?
No, there is no core charge. We use your original module for data extraction only. We will ship your original module back to you along with the programmed replacement.
Will this fix a ‘Service Theft Deterrent System’ message?
Yes, in many cases, a faulty BCM is the root cause of this message and a no-start condition. Because we clone your original key data, our programmed module will resolve this issue if the BCM is the component at fault.
What if I have an aftermarket alarm or remote start?
Our programming service restores the vehicle to its factory state. Aftermarket systems that are integrated with the BCM may need to be re-integrated or re-learned by the original installer after the new BCM is in place.