Restore Your Vehicle’s Brain and End Electrical Chaos
If you’re dealing with bizarre electrical issues in your 2015 Cadillac Escalade or another GM vehicle—flickering lights, windows with a mind of their own, or a security system that won’t cooperate—the Body Control Module (BCM) is the likely culprit. As the central command for your vehicle’s comfort and convenience features, a failing BCM can make driving a frustrating and unpredictable experience. In my 20+ years of diagnostics, I’ve seen how a faulty BCM can mimic a dozen other problems, leading to wasted time and money on incorrect repairs.
This isn’t just a replacement part; it’s a complete, hassle-free solution. We offer a professional cloning service that transfers the vital configuration and security data from your original BCM directly onto this replacement unit. This means you can bypass the expensive and time-consuming trip to the dealership for programming. Simply order, send us your original module, and we’ll ship back a fully programmed unit that’s ready for installation. It’s the most efficient way to get your vehicle back to normal.
Case Study: A Tricky Diagnosis
I once had a 2015 GMC Yukon in the bay with a complaint of intermittent no-start and random dash lights. The owner had already replaced the battery and alternator. After connecting my scan tool, I found a slew of U-codes (communication errors) pointing to a network failure. Instead of chasing ghosts, I went straight to the BCM, the network’s traffic cop. A quick check of the data stream showed it was dropping offline intermittently. We used our cloning service to program a replacement 2015 Escalade BCM (a compatible part), and the Yukon was running perfectly in a day, saving the customer from a massive dealership bill and further diagnostic headaches.
Is Your GM Vehicle Showing These BCM Failure Signs?
- ✔ Erratic or non-functional interior and exterior lights.
- ✔ Power windows, door locks, or mirrors operating intermittently or not at all.
- ✔ The security system or keyless entry failing to work correctly.
- ✔ A ‘Service Theft Deterrent System’ message appearing on the dash.
- ✔ Communication error codes (U-codes) stored in multiple modules.
- ✔ The engine cranks but refuses to start due to a security system fault.
- ✔ Horn honking randomly or wipers activating on their own.
Your Straightforward Installation Guide
- ✔ Place Your Order: Purchase this service and we will contact you with shipping instructions.
- ✔ Ship Your Module: Carefully package and send your original BCM to our facility.
- ✔ Cloning Process: We professionally transfer all critical data from your original module to the replacement unit.
- ✔ Swap the Modules: Locate and replace the old BCM with your newly programmed one. The location varies by model (see fitment list).
- ✔ Perform Final Syncs: If necessary, perform the post-installation procedures detailed below.
Important Post-Installation Notes
While our cloning service handles the primary programming, some vehicle systems may require a final handshake to recognize the new module. This is normal. You may need a diagnostic scan tool capable of performing these functions:
- Airbag System Sync: If your airbag light is on after installation, a ‘Setup SDM Primary Key in BCM’ procedure is needed to sync the systems.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be required to ensure proper brake light and traction control operation.
We always recommend consulting a factory service manual or a qualified technician if you are unsure about these final steps.
Verified Fitment for These GM Models
This module is a direct replacement for part numbers 13592137, 13506935, 13506936, 13587704, and 13594764. It is guaranteed to fit the following vehicles:
- Cadillac ATS (2015-2016)
- Cadillac CTS (2015-2016)
- Cadillac Escalade / ESV (2015)
- Cadillac XTS (2015)
- Chevrolet Corvette (2015)
- Chevrolet Impala (2015-2016)
- Chevrolet Silverado 1500 / 2500 / 3500 (2015)
- Chevrolet Sonic (2015-2018)
- Chevrolet Suburban 1500 (2015)
- Chevrolet Tahoe (2015)
- GMC Sierra 1500 / 2500 / 3500 (2015)
- GMC Sierra Denali 1500 / 2500 / 3500 (2015)
- GMC Yukon / Yukon XL 1500 (2015)
Frequently Asked Questions
Frequently Asked Questions
How exactly does this cloning service work?
You purchase the service and ship your original BCM to us. We use specialized equipment to read the unique vehicle data—including VIN, mileage, and security information—from your module and write it directly onto the replacement unit. We then ship the programmed module back to you.
Will I need to have my keys reprogrammed?
No. Because we are cloning your original module’s data, the replacement BCM will recognize your existing keys. This is a major benefit that saves you a trip to a locksmith or dealer.
Is this part truly plug-and-play?
It’s as close as it gets. The core programming is done, so the vehicle will start and run. However, as noted above, some models may require a simple relearn procedure for the airbag or brake pedal position sensor to clear warning lights and ensure full functionality.
What does the BCM actually control?
The Body Control Module is the computer responsible for managing most of your vehicle’s non-engine related electronic systems. This includes the power locks, windows, interior/exterior lighting, security system, wipers, and more.
How long does the programming service take?
We typically program and ship your replacement module within 1-2 business days of receiving your original BCM. You will receive tracking information as soon as it ships.
Is there a core charge for this part?
No, there is no core charge. You are free to keep your original module after you send it to us for the data transfer service.