Is Your 2015 Sierra Plagued by Electrical Gremlins?
If you’re dealing with flickering lights, malfunctioning power windows, a security system that has a mind of its own, or strange warning lights on your dash, the culprit is likely a failing Body Control Module (BCM). The BCM is the central nervous system for your truck’s body electronics, managing everything from interior lighting and door locks to the anti-theft system. When it starts to fail, it can create a cascade of frustrating and unpredictable issues that can make your vehicle feel unreliable.
Expert Pro Tip
Expert Pro Tip
Before condemning your BCM, always perform a thorough check of your vehicle’s battery and primary ground connections. A weak battery, loose terminal, or corroded ground strap can cause low voltage conditions that mimic BCM failure. Verifying these simple components first can save you significant time and money in diagnostics.
Symptoms of a Failing BCM
- ✔ Intermittent or non-functional power windows, door locks, or mirrors.
- ✔ Erratic behavior from interior or exterior lights (flickering, staying on, or not turning on at all).
- ✔ The security system or keyless entry failing to work correctly.
- ✔ False warnings on the instrument cluster, such as ‘Service StabiliTrak’ or ‘Service Airbag’.
- ✔ The radio or infotainment system behaving strangely or not turning on.
- ✔ Unexplained battery drain that leaves you with a dead battery overnight.
The Simple, No-Dealership Solution: Our BCM Programming Service
Replacing a BCM isn’t as simple as swapping the part. A new module from the dealership requires expensive and complicated programming to sync it with your vehicle’s specific VIN, security keys, and options. Our professional programming service eliminates this hassle entirely. We provide a replacement 2015 Sierra Body Control Module that is a direct, plug-and-play solution.
Here’s how our seamless process works:
- Place Your Order: Complete your purchase through our secure checkout.
- Ship Us Your Original BCM: We will contact you with simple instructions for shipping your original BCM to our facility.
- We Transfer The Data: Our expert technicians will perform a full data transfer, or ‘cloning’, from your original module to the replacement unit. This process copies all the vital information, including VIN, mileage, and key data.
- Receive Your Programmed BCM: We ship the fully programmed, plug-and-play replacement BCM back to you. Once it arrives, simply install it, and your vehicle’s functions will be restored.
Installation and Post-Install Considerations
On most 2015 GM trucks like the Sierra and Silverado, the BCM is located under the driver’s side of the dashboard, near the steering column. While installation is straightforward (disconnecting the battery and swapping the module), there are a couple of potential post-installation procedures to be aware of:
- Airbag System Sync: In some cases, the airbag warning light may illuminate after installation. This requires a ‘Setup SDM Primary Key in BCM’ procedure using a professional scan tool to re-sync the systems.
- Brake Pedal Position Relearn: A recalibration of the brake pedal position sensor might be necessary to ensure proper brake light and traction control operation.
This service provides a reliable and cost-effective way to repair your vehicle without the high costs and scheduling headaches of a dealership visit. By using a precisely matched and programmed 2015 Sierra Body Control Module, you can confidently restore your truck’s full functionality.
Part Number Compatibility
This module and programming service are compatible with the following part numbers: 13592137, 13506935, 13506936, 13587704, and 13594764. Please verify your part number before ordering to ensure compatibility.
Frequently Asked Questions
Expert Pro Tip
Before condemning your BCM, always perform a thorough check of your vehicle’s battery and primary ground connections. A weak battery, loose terminal, or corroded ground strap can cause low voltage conditions that mimic BCM failure. Verifying these simple components first can save you significant time and money in diagnostics.