Tired of Your 2015 Suburban’s Electrical Gremlins?
As a technician with over two decades of experience, I’ve seen firsthand how a failing Body Control Module (BCM) can turn a reliable vehicle into a source of constant frustration. If your 2015 Suburban is experiencing bizarre issues like flickering lights, malfunctioning power windows or locks, or a security system that acts up for no reason, the BCM is the most likely culprit. It’s the central computer for all your vehicle’s comfort and convenience features, and when it fails, chaos ensues.
Forget expensive dealership visits and the hassle of programming a new, blank module. We offer a straightforward, reliable solution. This is a replacement BCM that comes fully programmed by cloning the data from your original unit. You simply send us your old BCM, we transfer all the critical vehicle-specific information to this replacement module, and ship it back to you ready for installation. It’s the most efficient way to get your Suburban back to 100% without the dealership price tag.
A Technician’s Notebook: The Ghost in the Machine
I remember a 2015 Yukon XL—a close cousin to your Suburban—that came into my bay with a list of symptoms that made no sense. The radio would turn on by itself, the driver’s side window wouldn’t work on Tuesdays (I’m not kidding), and the alarm would randomly go off. The owner had already replaced the battery and checked all the fuses. After connecting my scan tool, I found a slew of communication codes (U-codes) pointing to a network problem. Instead of a complex wiring issue, the root cause was a failing BCM. The internal processors were failing intermittently, sending corrupt data across the network. A cloned BCM like this one solved every single problem in one shot, saving the customer over $700 compared to the dealership’s quote.
Is Your Vehicle Showing These Symptoms?
A faulty BCM can manifest in numerous ways. If you’re noticing any of the following, it’s a strong indicator that your module needs attention:
- ✔ Erratic or non-functional interior and exterior lights.
- ✔ Power windows, door locks, or mirrors working intermittently or not at all.
- ✔ The security system or keyless entry is failing.
- ✔ The instrument cluster displays incorrect information or warning lights stay on.
- ✔ Communication error codes, such as U0140 (Lost Communication With Body Control Module).
- ✔ In some cases, a no-start condition due to security system conflicts.
Your Straightforward BCM Installation Guide
Our cloning service makes the job simple. Once you receive the programmed module from us, follow these steps for a smooth installation. On most 2015 Suburbans, the BCM is located under the steering column.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before working on any electronic components.
- Locate the BCM: On your Suburban, this is typically found under the driver’s side dashboard, near the steering column. You may need to remove a lower dash panel for access.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket.
- Install the New Module: Mount the replacement BCM in the same location and securely plug in all the electrical connectors. You’ll hear a click as they lock into place.
- Reconnect Power: Re-attach the negative battery terminal.
- Test Functionality: Start the vehicle and test all the body functions—lights, locks, windows, radio, etc.—to confirm the repair.
Important Post-Installation Notes
While our programming handles the vast majority of functions, some vehicle safety systems may require a final handshake after installation. Please be aware of the following:
- Airbag System Sync: If your airbag warning light is on after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the airbag system with the new BCM.
- Brake Pedal Position Relearn: Some models may require a brake pedal position sensor recalibration to ensure proper brake light and stability control operation.
Disclaimer: Always consult a factory service manual for procedures specific to your vehicle’s exact configuration.
Guaranteed Vehicle Compatibility
This BCM is a direct-fit replacement for modules with part numbers 13592137, 13506935, 13506936, 13587704, or 13594764. It is confirmed to fit the following GM vehicles:
- ✔ 2015 Chevrolet Corvette
- ✔ 2015-2016 Chevrolet Impala (New Style)
- ✔ 2015-2018 Chevrolet Sonic
- ✔ 2015 Chevrolet Silverado 1500, 2500, 3500
- ✔ 2015 Chevrolet Suburban 1500
- ✔ 2015 Chevrolet Tahoe
- ✔ 2015 GMC Sierra 1500, 2500, 3500 (including Denali)
- ✔ 2015 GMC Yukon & Yukon XL (including Denali)
- ✔ 2015 Cadillac Escalade & Escalade ESV
- ✔ 2015-2016 Cadillac ATS
- ✔ 2015-2016 Cadillac CTS (Sedan)
- ✔ 2015 Cadillac XTS
Frequently Asked Questions
How does the mail-in programming service work?
After you place your order, we will contact you with instructions for shipping your original BCM to us. Once we receive it, we perform the data transfer to the replacement unit and ship it back to you, usually within one business day.
Is this a plug-and-play solution?
Yes, for 99% of functions. Because we clone your original data, the module will be plug-and-play for your engine, security system, and options. In rare cases, a simple relearn procedure for the airbag or brake pedal sensor may be needed, as noted above.
Do I need to send my keys?
No. Since we are cloning the data directly from your original BCM, all of your existing key information is transferred over. Your current keys will work perfectly.
Is there a core charge?
No, there is no core charge for this service. You can keep your original, non-working module. We only need it for the initial data transfer.
Will this fix my specific problem?
This module will correct issues directly caused by a faulty BCM. If you are experiencing problems with power accessories, lighting, security, or have BCM-related diagnostic codes, this is the definitive solution.