If your 2015 Silverado 1500 is acting possessed—with flickering lights, malfunctioning power windows, or random warning chimes—the culprit is often a failing Body Control Module (BCM). As the central nervous system for your truck’s comfort and convenience features, a faulty BCM can create a cascade of frustrating electrical problems. Instead of facing a costly trip to the dealership for a new module and programming fees, we offer a straightforward, reliable solution.
This is a fully tested, replacement BCM that comes programmed specifically for your vehicle. Our expert cloning service transfers all the critical data from your original BCM to this replacement unit. The result? A true plug-and-play module that restores full functionality without any additional programming required on your end. Simply install it, and get your truck’s electronics working like new again.
Case Study: The Ghost in the Machine
I remember a 2015 Sierra (which shares this exact BCM) that came into my shop with the most bizarre symptoms. The customer said his dome lights would stay on, the radio would randomly shut off, and the power locks had a mind of their own. He’d already replaced the battery and checked fuses. After connecting my scan tool, I saw a slew of U-codes (communication errors) pointing to the BCM. A failing BCM can flood the vehicle’s data network with bad information, causing other modules to act up. By cloning his original module to one of our reliable replacements, we solved all the issues in one shot. It’s a classic example of how one component can create widespread electrical chaos.
Is Your Silverado Showing These Symptoms?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, this module is the likely fix:
- ✔ Intermittent or non-working power windows, door locks, or mirrors.
- ✔ Interior or exterior lights flickering, staying on, or not turning on at all.
- ✔ The security system acting erratically or preventing the truck from starting.
- ✔ Inconsistent or non-functional windshield wipers.
- ✔ Multiple communication error codes (U-codes) stored in the system.
- ✔ False warnings on the driver information center (DIC).
A Straightforward Guide to Installation
For the 2015 Silverado 1500, the BCM is located under the steering column. While professional installation is always an option, a confident DIYer can handle this job. Here’s a general guide:
- Safety First: Always disconnect the negative terminal from your truck’s battery before working on any electronic components.
- Access the Module: Remove the lower dash panel beneath the steering wheel to gain access to the BCM. It’s typically secured with a few clips or screws.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. Pay attention to the locking tabs to avoid damage. Once disconnected, unbolt or unclip the module from its mounting bracket.
- Install the New BCM: Mount the replacement module in the same location and securely reconnect all electrical harnesses. You should hear a ‘click’ as they lock into place.
- Final Steps: Reinstall the lower dash panel and reconnect the negative battery terminal. Start the vehicle to confirm that the electrical issues are resolved.
Important Post-Installation Note: In some cases, additional steps may be needed. If the 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’ may be necessary for proper brake light and traction control operation. Always consult a factory service manual for vehicle-specific details.
Verified Vehicle Compatibility
This BCM is a direct replacement for part number 13592137 and is interchangeable with 13506935, 13506936, 13587704, and 13594764. It is guaranteed to fit the following vehicles:
- 2015 Chevrolet Silverado 1500 Pickup: Body Control (BCM); (under steering column)
- 2015 GMC Sierra 1500 Pickup: Body Control (BCM); (under steering column)
- 2015 Cadillac Escalade & ESV: Body Control (BCM); (under steering column), w/model year break point (opt AVF)
- 2015 Chevrolet Suburban 1500 / Tahoe: Body Control (BCM); (under steering column), w/model year break point (opt AVF)
- 2015 GMC Yukon & Yukon XL 1500: Body Control (BCM); (under steering column), w/model year break point (opt AVF)
- 2015-2016 Cadillac ATS: Body Control (BCM); (on firewall)
- 2015-2016 Cadillac CTS: Body Control (BCM); (LH dash)
- 2015 Cadillac XTS: Body Control (BCM); (left front hinge pillar)
- 2015 Chevrolet Corvette: Body Control (BCM); (LH dash)
- 2015-2016 Chevrolet Impala: Body Control (BCM); VIN 1 (4th digit, New Style), (LH dash)
- 2015-2018 Chevrolet Sonic: Body Control (BCM); (RH rear quarter panel)
- 2015 Chevrolet Silverado / GMC Sierra 2500 & 3500 Pickups (check location and ID)
Frequently Asked Questions
How does the programming service work?
After you purchase, we will contact you with simple instructions to ship your original BCM to us. Once we receive it, we transfer all the necessary vehicle-specific data to the replacement module. We then ship the plug-and-play replacement back to you, typically within one business day.
Do I need to send my original BCM?
Yes. To ensure a perfect plug-and-play installation, we must clone the data from your original module. This process copies the VIN, security information, and specific options for your truck, eliminating the need for dealer programming.
Is there a core charge?
No, there is no core charge for this service. After we clone your data, you are free to keep your original module.
Will this fix my exact problem?
This module corrects issues directly caused by a failing BCM, such as problems with lights, locks, windows, and other body electronics. While it solves the most common electrical faults, always ensure a proper diagnosis has been performed.
What if my airbag light comes on after installation?
This can happen occasionally. It means the new BCM needs to be synced with the airbag system (SDM). A repair shop with a professional-grade scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve this.