Tired of Chasing Electrical Gremlins in Your GM Truck?
As a technician with over two decades of experience, I’ve seen it all. Your 2014 Sierra Denali 1500 starts acting possessed—the radio turns on and off by itself, the power windows have a mind of their own, the security light flashes for no reason, or worse, it won’t start at all. You’ve checked the battery and the fuses, but the bizarre symptoms persist. The problem often isn’t a dozen different faulty parts; it’s the single electronic nerve center: the Body Control Module (BCM).
The BCM is the traffic cop for your vehicle’s body electronics. It manages everything from your interior lights and power locks to the instrument cluster and security system. When it fails, it creates a cascade of confusing and frustrating problems. A trip to the dealership often means a hefty bill for diagnostics, a new module, and hours of expensive programming. We offer a smarter, more direct solution.
A Technician’s Notebook: The Case of the Intermittent No-Start
A customer brought in a 2014 Silverado 1500—same platform as the Sierra—with an issue that was driving him crazy. The truck would randomly refuse to crank. No sound, no click, nothing. Other times, it would start perfectly. He’d already replaced the battery and starter. After hooking up my scan tool, I noticed a slew of U-codes (communication errors), all pointing back to the BCM. The module wasn’t consistently sending the ‘okay’ signal to the powertrain computer. Instead of a new, un-programmed module, we used our cloning service. We transferred the data from his failing BCM to our replacement unit. An hour after he dropped the part off, he was back on the road with a truck that started reliably every single time. That’s the power of a proper data transfer.
How Our Simple Cloning Service Works
This isn’t just a part in a box; it’s a complete, ready-to-install solution. You simply purchase this service, and we’ll contact you with instructions to ship your original BCM to our facility. Once we receive it, our expert technicians will extract the unique data—your vehicle’s VIN, mileage, and specific electronic options—and flash it onto this replacement module. We then ship the fully programmed, plug-and-play BCM back to you. This process ensures seamless integration with your vehicle’s existing systems, eliminating the need for costly dealership programming.
Is Your Truck Showing These BCM Failure Symptoms?
- ✔ Intermittent or non-functional power windows, locks, or mirrors.
- ✔ Flickering or erratic interior and exterior lights.
- ✔ Instrument cluster gauges behaving strangely or not working at all.
- ✔ The security system light is on, or the vehicle won’t start (anti-theft active).
- ✔ Radio or infotainment system randomly shutting off or acting up.
- ✔ Diagnostic trouble codes (DTCs) like U0140, U0155, or other ‘U’ communication codes are present.
- ✔ Horn honking unexpectedly or not working when pressed.
A Straightforward Guide to Installation
Installing your newly programmed 2014 Sierra BCM is a job most DIYers can handle with basic tools. While the exact location can vary slightly, it’s typically found under the driver’s side of the dashboard, near the steering column.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before working on any electronic components.
- Locate the BCM: On most GM trucks of this era, you’ll need to remove the lower dash panel beneath the steering wheel to access the module.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that must be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket.
- Install the New Module: Seat the new, programmed BCM into the mounting bracket and plug in all the electrical connectors. Ensure they click securely into place.
- Reconnect and Test: Reinstall any trim panels you removed, then reconnect the negative battery terminal. Start the vehicle and test all body functions—windows, locks, lights, radio, etc.—to confirm the repair.
Important Post-Installation Notes
In some cases, additional system handshakes are needed. If your airbag light is on, a professional scan tool is required to perform the ‘Setup SDM Primary Key in BCM’ procedure. Similarly, a ‘Brake Pedal Position Relearn’ might be necessary for certain models to ensure proper brake light and stability control function. Always refer to a factory service manual for your specific vehicle’s requirements.
Will This Fit My Vehicle?
This BCM programming service is a guaranteed solution for modules with part number 13594692 and is also a direct replacement for part numbers 13594768, 13593214, 13580690, 13591519, and 13594769. It is compatible with a wide range of GM vehicles, including:
- 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 (2014)
- Silverado 2500 / 3500 (2015)
- Suburban 1500 (2015)
- Tahoe (2015)
- XTS (2014)
- Yukon / Yukon XL 1500 (2015)
Please verify your part number and check the fitment details to ensure compatibility. If you’re unsure, feel free to contact us.
Frequently Asked Questions
Frequently Asked Questions
What is the turnaround time for the programming service?
We perform the programming and ship your replacement BCM back out the same business day we receive your original module. We will provide you with a return tracking number immediately.
Do I need to send my keys with the module?
No. Because we are cloning the data directly from your old BCM, all of your original key information is transferred over. Your existing keys will work perfectly with the new module upon installation.
Is this a plug-and-play solution?
Yes, in over 95% of cases. The cloning process transfers all vehicle-specific data, so no further programming is needed. In rare instances, a simple relearn procedure like for the airbag or brake pedal sensor may be required, as noted above.
What if my original BCM is completely dead or ‘fried’?
Even if the module is non-functional in the vehicle, we can often still recover the necessary data. Please contact us before ordering if your BCM has water or fire damage, as data recovery may not be possible in those extreme cases.
Why is cloning better than buying a used BCM from a junkyard?
A used BCM from another vehicle contains the wrong VIN and equipment configuration. It will cause system conflicts, activate the anti-theft system, and will not work correctly without being programmed by a dealer. Our service avoids all of these issues entirely.
Do I need to return my old BCM after I receive the new one?
No. There is no core charge for this service. You only need to ship your original BCM to us for the initial data transfer. You can keep it afterward.