Tired of Unpredictable Electrical Problems in Your GM Truck?
As a technician with over two decades of experience under the hood, I’ve seen it all. A customer comes in with a 2015 Sierra Denali, and the story is always the same: the radio cuts out, the power windows have a mind of their own, the dash lights flicker like a disco, or worse, the truck won’t start. These aren’t random glitches; they’re classic signs of a failing Body Control Module (BCM). The BCM is the central command for your vehicle’s body electronics, and when it starts to go, it can cause a cascade of frustrating and confusing issues.
The dealership solution involves a brand new, expensive module followed by hours of programming fees. We offer a smarter, more efficient fix. This listing is for a replacement BCM, fully programmed using the data from your original module. It’s a true plug-and-play solution that gets you back on the road without the dealership hassle. You simply send us your original BCM, we perform the data transfer to a quality-tested replacement unit, and ship it right back to you, ready for installation.
Case Study: A Tricky Diagnosis
I remember a 2015 Silverado that came into the shop with an intermittent no-start and a battery that kept dying. The owner had already replaced the battery and alternator twice. We scanned the vehicle and found a handful of U-codes (communication errors) pointing to the BCM. The module wasn’t fully shutting down when the truck was turned off, creating a parasitic draw that drained the battery overnight. Instead of a costly new module and programming, we cloned his original BCM’s data to a replacement. The parasitic draw vanished, and the truck has started reliably ever since. This is a common failure mode we see, and our cloning service is the most direct and reliable fix.
Is Your GM Vehicle Showing These Symptoms?
- ✔ Erratic or non-functional power windows, door locks, or interior/exterior lights.
- ✔ The security or anti-theft system light is on, preventing the engine from starting.
- ✔ Intermittent warning lights on the instrument cluster with no apparent cause.
- ✔ Radio or infotainment system randomly shutting off or behaving strangely.
- ✔ Diagnostic trouble codes (DTCs) related to communication errors, such as U0100, U0140, or other U-series codes.
- ✔ A noticeable parasitic battery drain that kills your battery overnight.
Your Straightforward Path to a Reliable Fix
Our goal is to make this repair as simple as possible. The complex part—the programming—is handled by our expert technicians. Here’s how our service works, followed by the simple installation steps for your 2015 Sierra Denali BCM.
- Place Your Order: Purchase this service and ensure your contact information is correct.
- We’ll Contact You: Our team will reach out with simple instructions and the shipping address to send your original BCM.
- Ship Your Module: Carefully package and ship your original BCM to us.
- We Program Your Replacement: Once we receive your module, we will transfer all the necessary vehicle data to the replacement BCM.
- Receive Your Ready-to-Install Part: We ship the plug-and-play BCM back to you, typically within 24-48 hours of receiving your original.
Once you receive your programmed module, installation is simple:
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before working on electronic components.
- Locate the BCM: On most GM trucks and SUVs like the Sierra, Silverado, and Yukon, the BCM is located under the steering column, on the driver’s side of the dashboard.
- Remove Connectors: Carefully unplug all electrical connectors from the old BCM. They have locking tabs that need to be depressed.
- Swap the Modules: Unbolt or unclip the old BCM and install the new one in its place.
- Reconnect Everything: Plug all electrical connectors firmly into the new BCM and reconnect the negative battery terminal.
Important Post-Installation Notes
While our goal is a 100% plug-and-play experience, some vehicle systems may require a ‘handshake’ with the new BCM. If you encounter the following, a simple relearn procedure with a professional scan tool may be needed:
- Airbag System Sync: If the airbag warning light is on after installation, a ‘Setup SDM Primary Key in BCM’ procedure is required to sync the systems.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration might be necessary for proper brake light and traction control operation.
Disclaimer: Always consult a factory service manual or a qualified technician if you are unsure about any step. Specific procedures can vary slightly by vehicle model and options.
Verified Compatibility for Your Vehicle
This BCM programming service is compatible with units bearing part numbers 13592137, 13506935, 13506936, 13587704, or 13594764. It is a guaranteed fit for the following vehicles:
- 2015 Cadillac ATS, CTS, Escalade, Escalade ESV, XTS
- 2016 Cadillac ATS, CTS
- 2015 Chevrolet Corvette, Impala (New Style), Silverado 1500/2500/3500, Suburban 1500, Tahoe
- 2015-2018 Chevrolet Sonic
- 2015 GMC Sierra 1500, Sierra 2500/3500
- 2015 GMC Sierra Denali 1500, Sierra Denali 2500/3500
- 2015 GMC Yukon, Yukon XL 1500
Frequently Asked Questions
2015 Sierra Denali BCM
Why is this cloning service the best option?
This service saves you significant money and time. You avoid the high cost of a new module from the dealer and skip their expensive programming fees and appointment delays. Your replacement arrives ready to install.