Restore Your GM Truck’s Brain without the Dealer Hassle
If you’re dealing with a 2015 GMC Yukon that seems to have a mind of its own—flickering lights, power windows not working, a dashboard lit up with random warnings, or even a no-start condition—the Body Control Module (BCM) is often the culprit. As a technician with over two decades of experience, I’ve seen these modules cause some of the most frustrating and hard-to-diagnose electrical gremlins. The BCM is the central hub for your vehicle’s body electronics, and when it fails, chaos ensues. Dealerships will quote you a fortune for a new module plus hours of labor for programming. We offer a smarter, more affordable solution.
This is a replacement BCM programmed specifically for your vehicle using a simple cloning service. You send us your original, faulty BCM, and we transfer all the critical data—including VIN, mileage, and key programming—to this fully tested replacement unit. We then ship it back to you, ready for a straightforward installation. This process completely bypasses the need for expensive dealer-specific tools and programming, saving you hundreds of dollars and significant downtime.
From the Diagnostic Bay: The Case of the Haunted Sierra
A customer brought in his 2015 Sierra 1500, convinced it was possessed. The horn would honk randomly, the interior lights would stay on, and the radio would change stations on its own. He’d already spent $300 at another shop on diagnostics with no answers. I immediately suspected the BCM. We pulled it, confirmed communication faults (U-codes), and explained our cloning service. Instead of a $1200+ dealer bill for a new BCM and programming, he was back on the road for a fraction of the cost with a simple part swap. His ‘haunted’ truck was cured.
Is Your BCM the Culprit? Common Failure Symptoms
A failing BCM can manifest in numerous ways because it controls so many different functions. If your truck or SUV is showing these signs, there’s a high probability the BCM is at fault. Look out for communication-related Diagnostic Trouble Codes (DTCs) like U0140, U0155, or other U-codes indicating loss of communication with other modules.
- ✔ 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, causing no-start conditions or random alarm activation.
- ✔ Inconsistent or non-working radio and climate controls.
- ✔ False warning messages on the driver information center (DIC).
- ✔ Intermittent issues that seem to have no logical cause.
Your Straightforward BCM Swap Guide
Installing your programmed BCM is a simple process. Since we’ve handled the complex programming, you just need to swap the modules. The BCM is typically located under the driver’s side of the dashboard, near the steering column.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before working on any electronic components.
- Locate the BCM: On most of these trucks and SUVs, it’s under the dash to the left of the steering column. You may need to remove a lower dash panel for access.
- Disconnect and Remove: Carefully unplug the electrical connectors. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the old BCM and remove it from the vehicle.
- Install the New Module: Mount your new, pre-programmed BCM in the same location and securely reconnect all electrical connectors.
- Reconnect Power: Reattach the negative battery terminal.
- Post-Installation Checks: Start the vehicle and verify that all body functions (lights, locks, windows, etc.) are operating correctly. See the notes below for potential follow-up procedures that may be required.
Important Notes on Post-Installation Procedures
While our cloning service makes this a near plug-and-play repair, some vehicle systems may require a ‘handshake’ with the new BCM. This is normal. If you encounter the following, a professional scan tool will be needed:
- Airbag System Sync: If the airbag light is on after installation, a procedure called ‘Setup SDM Primary Key in BCM’ is needed to sync the systems.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn might be necessary to ensure proper brake light and traction control operation.
Disclaimer: Always consult a factory service manual or a qualified technician for vehicle-specific guidance. These steps are a general guide.
Verified Fitment for These GM Models
This BCM cloning service is compatible with units matching part numbers 13592137, 13506935, 13506936, 13587704, or 13594764. Please verify the part number on your original module before ordering. This part fits 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); Sedan, (LH dash)
- 2016 Cadillac CTS: Body Control (BCM); (LH dash), ID 13587704
- 2015 Cadillac 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: Body Control (BCM); (under steering column), w/model year break point (opt AVF)
- 2015 Chevrolet 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
How does the cloning service work?
After you place your order, we will provide you with shipping instructions. You mail your original BCM to us. We then extract the vehicle-specific data and transfer it to the replacement module. We ship the programmed module back to you, typically within 1-2 business days of receiving yours.
Do I need to get this programmed by the dealer?
No. Our cloning service completely eliminates the need for dealer programming. The module will arrive ready to install, already configured with your vehicle’s VIN, options, and security information.
Is there a core charge?
No, there is no core charge. We need your original module to perform the programming service, but you are not required to return it for a refund. You can keep your original module.
What tools are required for installation?
For the physical installation, you’ll only need basic hand tools like a socket set and a trim removal tool to access the BCM under the dashboard. No special programming computers are needed for the initial installation.
What if my airbag light comes on after installation?
This is an uncommon but possible scenario. It means the new BCM needs to be electronically synced with the airbag’s Sensing and Diagnostic Module (SDM). This requires a ‘Setup SDM Primary Key in BCM’ procedure, which can be performed by any professional shop with a high-level diagnostic scan tool.