Tired of Unpredictable Electrical Problems in Your Cadillac?
As a technician with over two decades of experience, I’ve seen it all. One moment your power windows work, the next they don’t. The dashboard lights up like a Christmas tree for no reason, or worse, your Escalade refuses to start. These frustrating, intermittent issues often point to one culprit: a failing Body Control Module (BCM). The BCM is the central nervous system for your vehicle’s body electronics, managing everything from interior lighting and power locks to security systems and accessory power. When it starts to fail, it can cause chaos.
Forget the expensive dealership visit, the towing fees, and the days without your vehicle. Our professional programming service offers a simple, reliable, and cost-effective solution. You send us your original BCM, and we transfer all its critical data—including VIN, mileage, and key information—to this fully tested replacement unit. The result is a true plug-and-play module, ready for installation right out of the box. This is the definitive fix for your 2015 Escalade ESV BCM problems.
From the Diagnostic Bay: The Ghost in the Yukon
I remember a 2015 Yukon XL—a close cousin to the Escalade—that came into my shop with the owner at his wit’s end. The radio would randomly shut off, the dome lights would flicker while driving, and occasionally, the security light would stay on, preventing it from starting. He’d already replaced the battery and checked the grounds. After connecting my scan tool, I saw a slew of U-codes, specifically U0140 (Lost Communication With Body Control Module). This pointed directly to an internal BCM failure. Instead of a costly dealer replacement and programming, we used this exact cloning service. He mailed in his module, we sent back the programmed replacement, and he installed it himself in under 30 minutes. The electrical ghosts were gone for good.
Is Your GM Vehicle Showing These Symptoms?
A failing BCM can manifest in many ways. If you’re experiencing any of the following, this module is likely the solution you need:
- ✔ Unresponsive or erratic power windows, door locks, or mirrors.
- ✔ Interior or exterior lights that flicker, stay on, or don’t work at all.
- ✔ The security or anti-theft system light stays illuminated, causing a no-start condition.
- ✔ Inconsistent or non-functional radio and climate controls.
- ✔ Diagnostic Trouble Codes (DTCs) related to lost communication, such as U0140, U0155, or other U-codes.
- ✔ False warnings on the instrument cluster (e.g., “Service StabiliTrak,” “Service Airbag”).
A Straightforward Guide to Installation
Our service handles the complex programming, making the physical installation simple for any DIY enthusiast or professional mechanic. For most compatible trucks and SUVs, the BCM is located under the driver’s side dashboard.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- Locate the BCM: On your 2015 Escalade ESV, the BCM is typically found under the steering column, behind the lower dash panel. You may need to remove a plastic trim panel for access.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be pressed. Once disconnected, unbolt or unclip the module from its bracket.
- Install the New Module: Seat your new, pre-programmed BCM into the mounting bracket and plug in all the electrical connectors. Ensure they click securely into place.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘ON’ position (without starting the engine) and test all body functions: lights, windows, locks, radio, etc.
Important Post-Installation Information
In some cases, your vehicle may require a simple relearn procedure after the new 2015 Escalade ESV BCM is installed. This is normal and can often be performed with a capable bi-directional scan tool.
- Airbag System Sync: If the 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: Some models may require a brake pedal position sensor recalibration to ensure correct brake light and traction control operation.
Disclaimer: Procedures can vary. Always consult a factory service manual or a qualified technician if you are unsure.
Guaranteed Fitment for Your GM Vehicle
This BCM, part number 13506936, is compatible with a wide range of GM models. It is a direct replacement for part numbers 13592137, 13506935, 13587704, and 13594764. Please verify your vehicle is on the list below:
- Cadillac: ATS (2015-16), CTS (2015-16), Escalade / ESV (2015), XTS (2015)
- Chevrolet: Corvette (2015), Impala (2015-16), Silverado 1500/2500/3500 (2015), Sonic (2015-18), Suburban 1500 (2015), Tahoe (2015)
- GMC: Sierra 1500/2500/3500 (2015), Sierra Denali 1500/2500/3500 (2015), Yukon / Yukon XL 1500 (2015)
Frequently Asked Questions
How does this mail-in programming service work?
It’s simple. After you purchase, we’ll contact you with instructions to ship your original BCM to us. Once we receive it, we transfer all the necessary data to the replacement module and ship it back to you, typically within 1-2 business days.
Is this truly a plug-and-play solution?
Yes. Because we clone your original module’s data, the replacement BCM is ready to install without any additional programming or trips to the dealer. In rare cases, a minor relearn procedure like for the brake pedal sensor may be needed.
What if my original BCM is completely dead or not communicating?
In most cases, even if the BCM is causing major issues, we can still extract the necessary data. If your module is severely damaged (e.g., by fire or water), please contact us before ordering to discuss options.
Do I need to send my keys or any other parts?
No. We only need your original Body Control Module. All key and security information is stored within the module itself, which we will transfer over.
What is your core policy?
There is no core charge for this service. You can keep your original module after you receive the programmed replacement from us.