Tired of Unpredictable Electrical Problems in Your 2015 Silverado?
As a technician with over two decades of diagnostic experience, I’ve seen firsthand how a failing Body Control Module (BCM) can turn a reliable truck into a source of constant frustration. One minute your power windows work, the next they don’t. Your dash might light up with random warnings, or worse, the truck refuses to start due to a security system error. These aren’t random glitches; they’re classic signs that the central command center for your vehicle’s electronics—the BCM—is failing. This isn’t just an annoyance; it can affect vehicle safety and security.
This is the definitive, hassle-free solution. We provide a fully programmed 2015 Silverado BCM that is ready for installation right out of the box. Our expert cloning service eliminates the need for expensive dealership visits and programming fees. We transfer all the critical, vehicle-specific data from your original module to this replacement unit, ensuring seamless integration with your truck’s existing systems. It’s the most reliable and cost-effective way to get your truck back to 100% functionality.
Case Study: The Ghost in the Machine
A customer brought in his 2015 Sierra, a cousin to the Silverado, with a truly baffling issue. The radio would turn on by itself, the door locks would cycle while driving, and the interior dome lights would flicker randomly. He had already replaced the battery and checked all the fuses. After connecting my scan tool, I saw multiple ‘U’ codes, specifically a U0140 (Lost Communication With Body Control Module). This pointed directly to a BCM failure. Instead of a costly new module and programming from the dealer, we used a cloned BCM. The entire process, from diagnosis to installation, restored the truck’s normal operation in a single afternoon.
Is Your Truck Showing These Symptoms?
- ✔ Intermittent or non-working power windows, door locks, or interior lights.
- ✔ The security or anti-theft system light is on, preventing the engine from starting.
- ✔ Horn honking unexpectedly or not working at all.
- ✔ Inaccurate gauge readings or a dashboard that flickers.
- ✔ Diagnostic trouble codes (DTCs) related to communication errors, such as U0140, U0155, or B1001.
- ✔ Wipers or turn signals behaving erratically.
A Straightforward Guide to Installation
- ✔ Safety First: Always disconnect the negative terminal from your truck’s battery before beginning any electrical work.
- ✔ Locate the BCM: On most 2015 GM trucks like the Silverado and Sierra, the BCM is located under the driver’s side of the dashboard, near the steering column.
- ✔ Remove the Old Module: Carefully disconnect the electrical connectors. They have locking tabs that must be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket.
- ✔ Install the New BCM: Mount your new, pre-programmed BCM in the same location and securely reconnect all electrical harnesses. You should hear a ‘click’ as they lock into place.
- ✔ Reconnect Power: Re-attach the negative battery terminal and tighten it securely.
- ✔ Final System Checks: Start the vehicle and test all body functions—windows, locks, lights, wipers, and radio—to confirm proper operation. Note the post-installation procedures below.
Important Post-Installation Information
While our cloning service makes this a near plug-and-play repair, some GM vehicles require a final handshake between modules. Please be aware of the following potential steps:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the new BCM with the airbag system.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be required to ensure correct brake light operation and to satisfy the traction control system.
Disclaimer: Procedures can vary slightly by exact model and options. Always consult a factory service manual or a qualified technician if you are unsure.
Verified Vehicle Compatibility
This module is a direct replacement for part numbers 13592137, 13506935, 13506936, 13587704, and 13594764. It is guaranteed to fit the following vehicles:
- ATS (2015-2016)
- Corvette (2015)
- CTS (2015-2016)
- Escalade / Escalade ESV (2015)
- Impala (2015-2016)
- Sierra 1500 / 2500 / 3500 & Denali (2015)
- Silverado 1500 / 2500 / 3500 (2015)
- Sonic (2015-2018)
- Suburban 1500 (2015)
- Tahoe (2015)
- XTS (2015)
- Yukon / Yukon XL 1500 (2015)
Frequently Asked Questions
How does the cloning service work?
It’s simple! After you place your order, we will contact you with instructions to ship your original BCM to us. Once we receive it, our technicians will extract the unique data and transfer it to the replacement module. We then ship the ready-to-install BCM back to you, typically within 24-48 hours of receiving your original part.
Do I need to send my original BCM if I have the VIN?
Yes. For a 100% plug-and-play solution, we must have your original module. The BCM contains security information, key fob data, and specific option configurations that are unique to your truck and cannot be accurately reproduced from the VIN alone.
Is this difficult for a DIY mechanic to install?
Not at all. The physical replacement is straightforward for anyone comfortable with basic hand tools. It involves removing a few trim panels and disconnecting electrical connectors. Our cloning service handles the complicated computer programming, which is the hardest part of the job.
What if my original BCM is completely dead or not communicating?
In many cases, even if the BCM is failing, we can still extract the necessary data from the memory chip. Please contact us before ordering if your module is severely damaged (e.g., by water or fire) so we can discuss the likelihood of a successful data recovery.
Is there a core charge for this part?
No, there is no core charge. After we clone your data, you are welcome to keep your original module. Our price includes the replacement BCM and the programming service.