Tired of Chasing Electrical Gremlins in Your GM Vehicle?
As a technician with over two decades of experience, I’ve seen it all. Flickering dashboard lights, power windows with a mind of their own, a security system that won’t cooperate, or a vehicle that simply refuses to start. These aren’t just annoyances; they’re classic symptoms of a failing Body Control Module (BCM). The BCM is the central hub for your 2015 Suburban 1500’s body electronics, and when it goes bad, it can cause a cascade of frustrating and seemingly unrelated issues.
Forget expensive dealership visits and the headache of programming a new module from scratch. We offer a straightforward, reliable solution. This listing is for a replacement BCM that comes pre-programmed with your vehicle’s exact data. We accomplish this through a simple mail-in cloning service: you send us your original BCM, we transfer all the critical information (like VIN, mileage, and key data) to this replacement unit, and ship it right back to you, ready for installation. It’s the most efficient way to get your truck back to perfect working order.
Common Signs of a Failing BCM
- ✔ Erratic or non-functional interior and exterior lights.
- ✔ Power windows, door locks, or mirrors not working correctly.
- ✔ The security system or keyless entry fails intermittently.
- ✔ Warning lights appearing on the dash for no apparent reason (e.g., airbag, ABS).
- ✔ Communication error codes, often in the U-series (like U0100, U0140), stored in the system.
- ✔ Intermittent no-start conditions where the engine cranks but won’t fire up.
From the Diagnostic Bay: The Intermittent Fault Mystery
I once had a 2015 Sierra in the shop with the most bizarre symptoms. The owner said on rainy days, his radio would switch off and the power locks would cycle on their own. On dry days, it was fine. We checked for water leaks and found none. A scan showed intermittent communication loss with the BCM. After pulling the module from under the steering column, I noticed a tiny amount of corrosion on one pin—barely visible. A previous spill had wicked its way into the connector over time. A simple replacement wouldn’t work without programming. We cloned his original module’s data onto a new BCM, and the truck has been flawless ever since. It’s a perfect example of why a reliable, pre-programmed 2015 Suburban 1500 BCM is a lifesaver.
Your Straightforward BCM Installation Guide
- ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery before beginning any electrical work.
- ✔ Locate the BCM: On the 2015 Suburban 1500, the BCM is typically located under the steering column, accessible from the driver’s side footwell. Refer to your service manual for the exact location on your specific model.
- ✔ Remove the Original Module: Carefully disconnect all electrical connectors. They have locking tabs that must be depressed to release. Once disconnected, unbolt or unclip the module from its mounting bracket.
- ✔ Ship Your Module: After purchase, we will contact you with instructions for shipping your original BCM to our facility. Please ensure your contact information is correct at checkout.
- ✔ Install the Cloned Module: Once you receive the programmed replacement from us, simply mount it in place and reconnect all the electrical connectors, ensuring they click securely. Reconnect the battery.
- ✔ Perform Post-Install Checks: Start the vehicle and verify that all body functions (lights, locks, windows, etc.) are working as they should.
Important Post-Installation Information
While our cloning service makes this a near plug-and-play process, some vehicle systems may require a final handshake. 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 new BCM with the airbag system.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration may be needed to ensure proper brake light and traction control operation.
Disclaimer: Procedures can vary. Always consult a factory service manual or a qualified technician for guidance specific to your vehicle.
Guaranteed Fitment for Your GM Vehicle
This BCM, part number 13587704, is a direct replacement for several part numbers including 13592137, 13506935, 13506936, and 13594764. It is verified to fit the following makes and models:
- ATS: 2015-2016
- Corvette: 2015
- CTS: 2015-2016
- Escalade & Escalade ESV: 2015
- Impala: 2015-2016 (New Style)
- Sierra 1500/2500/3500 & Denali Models: 2015
- Silverado 1500/2500/3500: 2015
- Sonic: 2015-2018
- Suburban 1500: 2015
- Tahoe: 2015
- XTS: 2015
- Yukon, Yukon XL 1500, & Denali Models: 2015
Frequently Asked Questions
What does your ‘cloning’ service do?
Our cloning service is a process where we transfer the essential software and vehicle-specific data (like the VIN, security information, and options) from your original BCM to the replacement unit. This ensures the module is plug-and-play and avoids a costly trip to the dealership for programming.
Why do I have to send you my original module?
Sending us your original BCM is the only way we can extract the unique data required to properly program the replacement. This data is critical for your vehicle to accept the new module and function correctly.
Is there a core charge?
No, there is no core charge for this item. Once we have cloned your data, you are welcome to keep your original module.
Will I need special tools for installation?
For the physical installation, you’ll only need basic hand tools like a socket set or screwdriver to access and remove the module. However, as noted, a professional scan tool may be required for post-installation procedures like an airbag system sync if the warning light appears.
How long does the programming service take?
We pride ourselves on a fast turnaround. Once we receive your original module, we typically complete the programming and ship your replacement BCM within 1-2 business days. We will provide you with tracking information as soon as it ships.