Restore Full Functionality to Your GM Vehicle with a Plug-and-Play BCM
Are you dealing with a cascade of frustrating electrical problems in your 2015 Cadillac Escalade ESV? One minute the radio works, the next it doesn’t. The power windows have a mind of their own, the interior lights flicker, or worse, the vehicle refuses to start. These seemingly unrelated issues often point to a single culprit: a failing Body Control Module (BCM). As the central command center for your vehicle’s body electronics, a faulty BCM can cause widespread chaos. This isn’t just an inconvenience; it can affect critical safety systems.
Instead of facing a costly trip to the dealership for a new module and expensive programming fees, we offer a streamlined, reliable solution. This listing is for a replacement BCM that comes pre-programmed with your vehicle’s exact data. We accomplish this through a simple cloning service: you send us your original BCM, and we transfer all the necessary information—including VIN, mileage, and security keys—to this replacement unit. The result is a true plug-and-play module, ready for installation right out of the box. This process ensures seamless integration with your vehicle’s other systems, getting you back on the road quickly and affordably.
Case Study: A Tricky Diagnosis
A few months back, a 2015 Yukon Denali (which shares this exact BCM with the Escalade) came into my bay with a laundry list of complaints from the owner. The power liftgate wouldn’t open, the driver’s side door lock was intermittent, and the dashboard would occasionally light up like a Christmas tree before going dark. The owner had already replaced the battery and checked all the fuses. Initial scans showed a dozen communication codes (U-codes), pointing to a network-wide issue. In my 20+ years of experience, when you see that many unrelated body electrical faults, the BCM is the prime suspect. After confirming the BCM wasn’t communicating properly, we swapped it with one of our programmed units. Instantly, every single issue was resolved. It’s a classic example of how a single failing module can make a vehicle seem hopelessly broken.
Is Your Vehicle Exhibiting These BCM Failure Symptoms?
- ✔ Erratic or non-functional power windows, door locks, and mirrors.
- ✔ Interior or exterior lights flickering, staying on, or not working at all.
- ✔ The security system acting up, preventing the vehicle from starting.
- ✔ The radio or infotainment system randomly turning off or malfunctioning.
- ✔ False warnings on the instrument cluster (e.g., “Service Airbag,” “Service StabiliTrak”).
- ✔ Diagnostic trouble codes (DTCs) related to lost communication, such as U0140.
- ✔ Inconsistent operation of the HVAC (heating and air conditioning) controls.
Your Straightforward BCM Installation Guide
- ✔ Safety First: Disconnect the negative terminal from your vehicle’s battery and wait at least 10 minutes to allow all systems to discharge.
- ✔ Locate the BCM: On the 2015 Escalade ESV, the BCM is typically located under the steering column, on the driver’s side of the dashboard. Its position can vary on other compatible models (see fitment list).
- ✔ Remove Connectors: Carefully unplug all electrical connectors from the old BCM. Each connector has a locking tab that must be depressed or a lever that needs to be swung to release it. Do not force them.
- ✔ Swap the Module: Unbolt or unclip the old BCM from its mounting bracket and remove it from the vehicle. Install your new, pre-programmed BCM in its place.
- ✔ Reconnect Everything: Securely plug all electrical connectors into the new BCM. You should hear or feel a click as they lock into place. Reconnect the negative battery terminal.
- ✔ Test Functionality: Start the vehicle and test all body functions—windows, locks, lights, radio, etc.—to confirm the repair was successful. Address any post-install procedures if necessary.
Important Post-Installation Information
While our cloning service makes this a plug-and-play part, some vehicle systems may require a quick sync-up after the BCM is replaced. Please be aware of the following potential procedures:
- 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: On some models, a brake pedal position sensor recalibration might be necessary to ensure brake lights and traction control function correctly.
Disclaimer: Specific requirements can vary. Always consult a factory service manual or a qualified technician for vehicle-specific guidance.
Verified Vehicle Compatibility
This BCM, identified by part numbers 13594692, 13594768, 13593214, 13580690, 13591519, or 13594769, is a direct fit for the following vehicles. Please verify the location noted for your specific model.
- Cadillac ATS: 2014 (on firewall)
- Cadillac CTS: 2014 (Sdn, VIN A, LH dash)
- Cadillac Escalade / Escalade ESV: 2015 (under steering column)
- Cadillac XTS: 2014 (left front hinge pillar)
- Chevrolet Caprice / SS Caprice: 2014-2017 (BCM)
- Chevrolet Corvette: 2014 (LH dash)
- Chevrolet Impala: 2015-2016 (VIN 1, LH dash, ID 13594692), 2017-2019 (LH Dash)
- Chevrolet Silverado 1500: 2014 (under steering column)
- Chevrolet Silverado 2500 / 3500: 2015 (under steering column, ID 13594692)
- Chevrolet Suburban 1500: 2015 (under steering column)
- Chevrolet Tahoe: 2015 (under steering column)
- GMC Sierra 1500 / Denali 1500: 2014 (under steering column)
- GMC Sierra 2500 / 3500 & Denali 2500 / 3500: 2015 (LH firewall or under steering column, ID 13594692)
- GMC Yukon / Yukon XL 1500: 2015 (under steering column)
Frequently Asked Questions
What exactly is a ‘cloning’ service?
Cloning is the process where we transfer the critical software and security data from your original BCM directly onto the replacement unit. This makes the new module an exact digital copy of the old one, allowing it to work in your vehicle without any additional programming.
Do I need to take my car to the dealer after installation?
No! Our programming service is designed to eliminate the need for dealer intervention. The module arrives ready to be installed, saving you time and hundreds of dollars in programming fees.
What if my original BCM is completely dead or ‘fried’?
In many cases, even if the BCM is non-functional in the vehicle, we can still retrieve the necessary data from its memory chip. Please contact us with the details of your BCM’s failure before purchasing if you suspect it is completely unresponsive.
How difficult is the installation?
For someone with basic mechanical skills, the installation is very straightforward. It primarily involves disconnecting the battery, accessing the module (usually under the dash), and swapping the electrical connectors. No special tools are typically required.
What does ‘No Core Charge’ mean?
It means you do not have to send your old, failed BCM back to us after the repair (other than for the initial cloning service). There are no extra fees or deposits, simplifying the process for you.
Why did my airbag light come on after installing the new BCM?
This can happen occasionally. The BCM is a central part of the vehicle’s security and safety network. If the light appears, it simply means the BCM needs to be electronically ‘introduced’ to the airbag module using the ‘Setup SDM Primary Key’ procedure, which can be done with a professional scan tool.