Restore Your Vehicle’s Electrical System with a Hassle-Free Solution
Are you dealing with baffling electrical issues in your 2015 Cadillac Escalade? Flickering lights, malfunctioning power windows, a security system that acts up, or strange warning messages on the dash are classic signs of a failing Body Control Module (BCM). As the central command center for your vehicle’s body electronics, a faulty BCM can turn your luxury SUV into a source of daily frustration. The dealership solution often involves expensive new parts, towing fees, and several days of programming. We offer a smarter, more efficient fix.
This is a replacement BCM that comes fully programmed with your vehicle’s specific data. How? We use a simple mail-in cloning service. You send us your original BCM, and our expert technicians transfer all the critical information—including VIN, mileage, and key data—to this replacement unit. The result is a true plug-and-play module. Simply install it, and you’re back on the road without any need for dealership intervention. It’s the most reliable way to solve your electrical problems and get your vehicle operating as it should.
From the Diagnostic Bay: The Ghost in the Machine
A customer brought in a 2015 Yukon Denali—a very similar platform to the Escalade—with a list of complaints that sounded like the vehicle was haunted. The radio would turn off, the interior lights would pulse, and the power liftgate would refuse to open. He’d already replaced the battery and checked the main grounds. After connecting my scan tool, I saw a slew of ‘Lost Communication with BCM’ codes (U0140). Instead of a complex wiring issue, experience pointed me straight to the BCM. We performed a cloning service just like this one, and the new module resolved every single issue instantly. It’s a common failure, but with the right part, it’s a straightforward fix.
Is Your Vehicle Showing These Symptoms?
- ✔ Power windows, door locks, or mirrors working intermittently or not at all.
- ✔ Interior or exterior lights flickering, staying on, or not turning on.
- ✔ The anti-theft or security system light is on, preventing the engine from starting.
- ✔ Inaccurate readings on the instrument cluster gauges.
- ✔ Diagnostic trouble codes (DTCs) related to communication with the BCM, such as U0140, U0155, or B1325.
- ✔ Wipers or climate control functions behaving erratically.
Your Straightforward BCM Installation Guide
- ✔ Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- ✔ Locate the BCM: On the 2015 Escalade, the BCM is typically located under the steering column, behind the lower dash panel. You may need to remove a few plastic trim pieces 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 your new, pre-programmed BCM in the same location. Reconnect all the electrical connectors, ensuring they click securely into place.
- ✔ Post-Installation Checks: Reconnect the battery terminal. Start the vehicle and test all body functions—windows, locks, lights, wipers, etc. Note: Some vehicles may require the additional procedures listed below.
Important Notes After Installation
While our programming service makes this a plug-and-play repair, some vehicle systems may need to be re-synced after the new BCM is installed. This is normal and can often be done with a high-level diagnostic tool.
- Airbag System Sync: If the airbag warning light is illuminated after installation, a procedure called ‘Setup SDM Primary Key in BCM’ is required. This syncs the new BCM with the airbag system.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be necessary to ensure correct brake light operation and traction control performance.
Always consult a factory service manual or a qualified technician if you are unsure about any step.
Verified Fitment for Your GM Vehicle
This BCM is a direct-fit replacement for units with part numbers 13592137, 13506935, 13506936, 13587704, or 13594764. It is compatible with the following models:
This part will fit these makes and models with these options
ATS 15 Body Control (BCM); (on firewall)
ATS 16 Body Control (BCM); (on firewall), ID 13587704
CORVETTE 15 Body Control (BCM); (LH dash)
CTS 15 Body Control (BCM); Sdn, (LH dash)
CTS 16 Body Control (BCM); (LH dash), ID 13587704
ESCALADE 15 Body Control (BCM); (under steering column), w/model year break point (opt AVF)
ESCALADE ESV 15 Body Control (BCM); (under steering column), w/model year break point (opt AVF)
IMPALA 15-16 Body Control (BCM); VIN 1 (4th digit, New Style), (LH dash), ID 13587704
SIERRA 1500 PICKUP 15 Body Control (BCM); (under steering column)
SIERRA 2500 PICKUP 15 Body Control (BCM); (LH firewall), ID 13587704
SIERRA 3500 PICKUP 15 Body Control (BCM); (LH firewall), ID 13587704
SIERRA 3500 PICKUP 15 Body Control (BCM); (under steering column), ID 13587704
SIERRA DENALI 1500 15 Body Control (BCM); (under steering column)
SIERRA DENALI 2500 15 Body Control (BCM); (under steering column), ID 13587704
SIERRA DENALI 3500 15 Body Control (BCM); (under steering column), ID 13587704
SILVERADO 1500 PICKUP 15 Body Control (BCM); (under steering column)
SILVERADO 2500 PICKUP 15 Body Control; (under steering column), ID 13587704
SILVERADO 3500 PICKUP 15 Body Control (BCM); (under steering column), ID 13587704
SONIC 15-18 Body Control (BCM); (RH rear quarter panel)
SUBURBAN 1500 15 Body Control (BCM); (under steering column), w/model year break point (opt AVF)
TAHOE 15 Body Control (BCM); (under steering column), w/model year break point (opt AVF)
XTS 15 Body Control (BCM); (left front hinge pillar)
YUKON 15 Body Control (BCM); (under steering column), w/model year break point (opt AVF)
YUKON XL 1500 15 Body Control (BCM); (under steering column), w/model year break point (opt AVF)
Frequently Asked Questions
How does the mail-in programming service work?
After you place your order, we will contact you with instructions to ship your original BCM to us. Once we receive it, our technicians will clone the data to the replacement module and ship it back to you, usually within 1-2 business days.
Do I need any special tools to install this?
No special programming tools are required. Installation typically only requires basic hand tools like a socket set and trim removal tools to access the module. The part arrives ready to be installed.
Will I need to get my keys reprogrammed?
No. Because we clone all the data from your original module, the replacement BCM will recognize your existing keys. This saves you a significant amount of money and time compared to a new module from the dealer.
Is there a core charge for my old BCM?
No, there is no core charge. We only need your original module for the data transfer service. You are welcome to keep your original module after the service is complete.
What if my original BCM is completely dead and won’t communicate?
In many cases, even if the BCM has failed and the vehicle won’t start, we can still extract the necessary data from the memory chip. Please contact us if you have concerns about the condition of your module.