Fix Your Vehicle’s Electrical Gremlins for Good
Is your 2015 Cadillac Escalade ESV experiencing a host of bizarre electrical issues? One minute the power windows won’t work, the next the security light is flashing, or the interior lights have a mind of their own. As a technician with over two decades of experience, I’ve seen these frustrating symptoms hundreds of times. The culprit is almost always a failing Body Control Module (BCM)—the central command center for your vehicle’s electronics. A faulty BCM can make your luxury SUV feel unreliable and chaotic. Dealerships will often quote you a staggering price for a new module plus hours of programming labor. Our solution bypasses that completely.
We offer a professional-grade replacement BCM that is precisely programmed using the data from your original module. This isn’t a generic, off-the-shelf part; it’s a direct-fit solution that retains your vehicle’s specific VIN, mileage, and optional features. The process is simple: you purchase this service, ship us your original BCM, and we handle the complex data transfer. We then send you a fully programmed, ready-to-install module, eliminating the need for expensive scan tools or a trip to the dealer. It’s the most efficient and cost-effective way to restore your vehicle to perfect working order.
A Technician’s Notebook
I remember a 2015 Yukon Denali that came into the shop a few years back. The owner was at his wit’s end. The radio would randomly shut off, the dash lights would flicker, and the power liftgate was completely dead. He had been to the dealer, who diagnosed a bad BCM and quoted him nearly $1,500 for the part and programming. He was about to approve the repair when he found us online. We had him send in his original BCM, and within a few days, we shipped him back a programmed replacement. He installed it himself in under an hour in his own garage. The total cost was less than a third of the dealer’s quote, and every single electrical issue was resolved. This is the value we provide—dealer-level results without the dealer-level price tag.
Is Your Vehicle Showing These Symptoms?
- ✔ Power windows, door locks, or mirrors operating intermittently or not at all.
- ✔ Interior or exterior lights flickering, staying on, or not turning on.
- ✔ The security system light is on, or the alarm randomly triggers.
- ✔ The instrument cluster displays erratic warnings or incorrect information.
- ✔ Communication issues with other modules, often setting U-series codes like U0140.
- ✔ Remote keyless entry (RKE) failing to work.
A Straightforward Guide to Installation
Installing your programmed 2015 Escalade ESV BCM is a manageable job for a confident DIYer. The BCM is typically located under the steering column. While specific steps can vary slightly by model, here is a general guide:
- Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- Locate the BCM: On the Escalade ESV, this is usually under the driver’s side dash, near the steering column. You may need to remove a lower dash panel for access.
- Disconnect the Connectors: Carefully unplug all electrical connectors from the old BCM. They have locking tabs that need to be pressed to release. Do not force them.
- Remove the Old Module: Unbolt or unclip the original BCM from its mounting bracket.
- Install the New Module: Mount your new, pre-programmed BCM in the same location and securely reconnect all the electrical connectors.
- Reconnect the Battery: Re-attach the negative battery terminal.
- Test Functionality: Start the vehicle and test all body functions—lights, windows, locks, radio, etc.—to ensure everything is working correctly.
Important Post-Installation Notes
In some cases, additional synchronization procedures may be required after installation:
- 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: Some models may require a brake pedal position sensor recalibration to ensure brake lights and stability control systems function correctly.
- No Core Required: You can keep your original module as there is no core charge associated with this service.
Disclaimer: Always refer to a factory service manual for your specific vehicle for detailed instructions and torque specs. If you are not comfortable performing this repair, consult a qualified professional mechanic.
Will This Fit My Vehicle?
This BCM is a direct replacement for part number 13594764 and is also compatible with part numbers 13592137, 13506935, 13506936, and 13587704. It is guaranteed to fit the following 2015-2018 GM vehicles, provided the part number on your original module matches:
- ✔ Cadillac: 2015 ATS, 2016 ATS, 2015 CTS, 2016 CTS, 2015 Escalade, 2015 Escalade ESV, 2015 XTS
- ✔ Chevrolet: 2015 Corvette, 2015-2016 Impala (New Style), 2015 Silverado 1500/2500/3500, 2015-2018 Sonic, 2015 Suburban 1500, 2015 Tahoe
- ✔ GMC: 2015 Sierra 1500/2500/3500, 2015 Sierra Denali 1500/2500/3500, 2015 Yukon, 2015 Yukon XL 1500
Our cloning of your original 2015 Escalade ESV BCM ensures all functions work as intended for your specific vehicle’s configuration.
Frequently Asked Questions
How does the programming service work?
After you place your order, we will provide you with shipping instructions. You send us your original BCM. We then extract the vehicle-specific data and transfer it to the replacement module. This ensures it’s a plug-and-play solution for your exact vehicle.
Do I need to send my key or any other parts?
No, we only need your original Body Control Module. The key data is stored within the BCM itself, which is why our cloning process is so effective.
How long does the whole process take?
We typically program and ship your replacement BCM within 1-2 business days of receiving your original module. The total turnaround time will depend on shipping speeds to and from our facility.
Will this fix my specific problem?
This module will resolve issues directly caused by a faulty BCM. If you are experiencing symptoms like erratic lights, non-working power accessories, or security system faults, a failing BCM is the most likely cause.
What if the airbag light comes on after I install it?
This can happen occasionally. It simply means the new BCM needs to be electronically ‘introduced’ to the airbag module (SDM). A repair shop with a professional-grade scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve this.
Is there a core charge?
No, there is absolutely no core charge. You can keep your original module after the service is complete.