Is Your GM Truck Plagued by Electrical Gremlins?
Are you dealing with flickering lights, power windows with a mind of their own, or a security system that randomly activates? These aren’t just annoyances; they are classic signs of a failing Body Control Module (BCM). The BCM is the central nervous system for your vehicle’s body electronics, managing everything from your interior lights and power locks to your instrument cluster and security system. When it starts to fail, it can create a cascade of frustrating and unpredictable issues, making your truck feel unreliable.
From the Diagnostic Bay
We recently had a customer with a 2015 Sierra 1500. His power door locks would work one minute and not the next, his radio display would go blank, and he had a persistent “Service Theft Deterrent System” message. The dealership quoted him over $1200 for a new BCM, programming, and labor. He was frustrated and looking for a better way. We provided him with our BCM cloning service. He mailed us his faulty module, we transferred all the critical data to a replacement unit, and shipped it back. He installed it himself in under an hour, and every single one of his electrical issues was resolved. No dealership visit, no exorbitant fees, just a straightforward fix that got him back on the road with confidence.
Symptoms of a Failing Body Control Module
A faulty BCM can manifest in numerous ways. If you’re experiencing any of the following, your BCM is the likely culprit:
- ✔ Intermittent or non-functional power windows, door locks, or mirrors.
- ✔ Erratic behavior from the interior or exterior lights (staying on, not turning on, or flickering).
- ✔ Instrument cluster gauges behaving erratically or not working at all.
- ✔ The security system or keyless entry failing to work correctly.
- ✔ A persistent battery drain when the vehicle is off.
- ✔ False warning lights on the dashboard, such as the airbag or check engine light.
- ✔ Problems with the HVAC (heating and air conditioning) controls.
The Simple, Cost-Effective Solution: Our BCM Programming Service
Replacing a BCM isn’t as simple as swapping the part. A new module from the dealership is a blank slate; it must be professionally programmed to your truck’s specific Vehicle Identification Number (VIN) and optional features. This process is costly and requires a trip to the dealer. Our service eliminates that entire headache. We take the vital information from your original BCM—your VIN, mileage, key fob data, and specific vehicle options—and transfer it directly to this replacement module. The result is a true plug-and-play solution for your 2015 Sierra Body Control Module.
How Our Service Works:
- ✔ Place Your Order: Purchase this BCM service. Please ensure your contact information is up-to-date.
- ✔ We Contact You: Our team will reach out with simple instructions and a shipping address for you to send your original BCM to us.
- ✔ We Perform the Transfer: Once we receive your module, our expert technicians will perform a full data transfer to the replacement unit. This process typically takes 1-2 business days.
- ✔ Receive Your Ready-to-Install BCM: We ship the programmed module back to you. Simply install it, and your vehicle’s electronics will be fully restored. No additional programming is required.
Post-Installation Notes
In most cases, the installation is 100% plug-and-play. However, due to the complexity of modern vehicle systems, a couple of minor relearn procedures may be necessary in some cases:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a “Setup SDM Primary Key in BCM” procedure may be needed. This syncs the new BCM with the airbag system and can be performed with a professional-grade scan tool.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration might be required to ensure proper brake light and traction control functionality.
Guaranteed Fitment for Your Vehicle
This 2015 Sierra Body Control Module is a direct replacement for several part numbers and fits a wide range of GM vehicles. Please verify your part number or vehicle in the list below.
Compatible Part Numbers: 13592137, 13506935, 13506936, 13587704, 13594764
Fits The Following Makes & Models:
- ATS 15-16
- CORVETTE 15
- CTS 15-16
- ESCALADE & ESCALADE ESV 15
- IMPALA 15-16 (New Style)
- SIERRA 1500 / 2500 / 3500 (including Denali) 15
- SILVERADO 1500 / 2500 / 3500 15
- SONIC 15-18
- SUBURBAN 1500 15
- TAHOE 15
- XTS 15
- YUKON & YUKON XL 1500 15
Note: Please check the original description for specific options and location details for your model.
Frequently Asked Questions
How does this programming service work?
You purchase this listing and then ship your original BCM to us. We extract the unique data from your module and flash it onto the replacement unit. We then ship the programmed replacement back to you, ready for installation.
Will I need to visit a dealer after installing this?
No. Our service makes the replacement BCM a plug-and-play part. It will already be programmed with your vehicle’s VIN, mileage, and security information, saving you the time and expense of a dealership visit.
What data is transferred from my old BCM?
We transfer all critical vehicle-specific data, including the VIN, immobilizer/security information, key fob programming, mileage, and configurations for features like power windows, lighting, and HVAC systems.
How long does the entire process take?
Once we receive your original module, the programming service itself typically takes 1-2 business days. The total time will depend on shipping times to and from our facility.
What if my original BCM is not communicating or is water damaged?
In many cases, even with communication issues or damage, we can still recover the necessary data. Please contact us before ordering if your module is severely damaged (e.g., burned or broken) to discuss options.
Is there a core charge?
No, there is no core charge for this service. We need your original module to perform the data transfer, but you do not need to return it after receiving the replacement.