Restore Your Cadillac’s Brain and Banish Electrical Gremlins
Is your 2015 Cadillac Escalade ESV acting possessed? Flickering lights, malfunctioning power windows or locks, a dead instrument cluster, or a frustrating “Service Body Control System” message are all classic signs that the Body Control Module (BCM) has failed. As the central command center for your vehicle’s comfort and convenience features, a faulty BCM can turn your luxury SUV into a source of constant annoyance. Dealerships will quote you a massive bill for a new part and the required programming. We offer a smarter, more affordable solution.
This is a replacement BCM that comes perfectly programmed for your vehicle through our simple mail-in cloning service. You send us your original BCM, and we transfer all the critical vehicle-specific data—like the VIN, mileage, and key information—to this replacement unit. The result? A true plug-and-play module that restores full functionality without any need for expensive dealer tools or software subscriptions. It’s the most direct path to getting your Escalade back on the road and working as it should.
A Technician’s Notebook: The Escalade with a Mind of Its Own
A few months back, a 2015 Escalade ESV was towed into my bay. The customer was exasperated. The alarm would go off randomly, the interior lights wouldn’t turn off, and the power liftgate had stopped working entirely. They had already replaced the battery, thinking it was a simple voltage issue. A quick scan with my diagnostic tool revealed a slew of U-codes—communication errors—all pointing back to the BCM. The module wasn’t just failing; it was causing a traffic jam on the vehicle’s data network. By providing a cloned 2015 Escalade ESV BCM, we had the vehicle’s electronics communicating properly in an afternoon, saving the customer over $700 compared to the local dealer’s quote.
Common Signs of a Failing GM BCM
- ✔ Power windows, door locks, or mirrors operate erratically or not at all.
- ✔ Interior or exterior lights flicker, stay on, or won’t turn on.
- ✔ The vehicle’s security system acts up, or the key fob is unresponsive.
- ✔ You see warning messages like “Service Security System” or “Service Body Control System”.
- ✔ Communication error codes (U-codes) are present, such as U0140, U0155, or U0164.
- ✔ The radio or infotainment system behaves unpredictably.
- ✔ In severe cases, a no-start condition can occur if the BCM fails to recognize the key.
A Straightforward Guide to Installation
- ✔ Safety First: Disconnect the negative terminal from your vehicle’s battery and wait a few minutes for the system to fully discharge.
- ✔ Locate the BCM: On the 2015 Escalade ESV, the BCM is typically located under the steering column, behind the driver’s side 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 depressed. Once disconnected, remove any bolts or clips holding the module in place and take it out.
- ✔ Install the New Module: Seat your new, pre-programmed BCM into the mounting bracket and secure it. Reconnect all the electrical connectors, ensuring they click firmly into place.
- ✔ Power Up and Test: Reconnect the negative battery terminal. Turn the ignition on and test all body functions: lights, locks, windows, radio, etc., to confirm the repair.
Important Post-Installation Information
While our cloning service makes this a plug-and-play repair, some vehicle systems may require a ‘handshake’ with the new BCM. Please be aware of the following potential procedures:
- 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’ function. This syncs the airbag system with the new BCM. This is only necessary if the light appears.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be required to ensure your brake lights and stability control systems function correctly.
Disclaimer: Always consult a factory service manual or a qualified professional if you are unsure about any step. These procedures can vary slightly between models.
Verified Vehicle Compatibility
This module is a direct replacement for part number 13587704 and is also compatible with part numbers 13592137, 13506935, 13506936, and 13594764. It is guaranteed to fit the following vehicles:
- 2015 Cadillac ATS: Body Control (BCM); (on firewall)
- 2016 Cadillac ATS: Body Control (BCM); (on firewall), ID 13587704
- 2015 Cadillac CTS: Body Control (BCM); Sdn, (LH dash)
- 2016 Cadillac CTS: Body Control (BCM); (LH dash), ID 13587704
- 2015 Cadillac Escalade & Escalade ESV: Body Control (BCM); (under steering column), w/model year break point (opt AVF)
- 2015 Cadillac XTS: Body Control (BCM); (left front hinge pillar)
- 2015 Chevrolet Corvette: Body Control (BCM); (LH dash)
- 2015-2016 Chevrolet Impala: Body Control (BCM); VIN 1 (4th digit, New Style), (LH dash), ID 13587704
- 2015 Chevrolet Silverado 1500/2500/3500: Body Control (BCM); (under steering column)
- 2015-2018 Chevrolet Sonic: Body Control (BCM); (RH rear quarter panel)
- 2015 Chevrolet Suburban 1500 & Tahoe: Body Control (BCM); (under steering column), w/model year break point (opt AVF)
- 2015 GMC Sierra 1500/2500/3500 & Denali Models: Body Control (BCM); (under steering column or LH firewall)
- 2015 GMC Yukon & Yukon XL 1500: Body Control (BCM); (under steering column), w/model year break point (opt AVF)
Frequently Asked Questions
What exactly is a BCM cloning service?
Our cloning service involves transferring the unique, vehicle-specific software from your original BCM to the replacement unit. This includes the VIN, security data, and other settings, making the new module a perfect electronic match for your vehicle.
Is this really plug-and-play?
Yes, because we’ve handled all the programming for you. Once you receive the cloned module from us, you simply install it. No further programming is required, saving you a trip to the dealer.
Do I need to send my original BCM to you?
Yes. We need your original module to extract the data for the cloning process. After you place your order, we will contact you with simple shipping instructions.
What if my airbag light comes on after installation?
This can occasionally happen. It simply means the airbag system needs to be electronically introduced to the new BCM. A technician with a professional diagnostic tool can perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve this.
Is there a core charge for this part?
No, there is no core charge. Since we need your original module for the cloning service, there is no separate part to return after the job is done.
How long does the programming service take?
We typically program and ship your replacement BCM within 1-2 business days of receiving your original module. We’ll send you tracking information as soon as it’s on its way back to you.