Is Your GM Vehicle Acting Possessed? It Could Be The BCM.
The Body Control Module (BCM) is the central command center for your vehicle’s electronic accessories. It manages everything from your power windows and door locks to the interior lights, security system, and even the windshield wipers. When the BCM starts to fail, it can create a cascade of bizarre and frustrating electrical gremlins that seem completely unrelated. If you’re dealing with unpredictable electronics in your truck or SUV, a faulty BCM is the most likely culprit.
From the Diagnostic Bay
We had a 2015 Sierra 1500 come into the shop that was driving the owner crazy. The radio would randomly change stations, the interior dome light would flicker while driving, and the key fob only worked intermittently. The owner had already replaced the fob battery and checked fuses with no luck. A quick scan with a professional tool revealed multiple communication loss codes with the BCM. Instead of a costly new module and a day spent at the dealership for programming, we used a cloning service like this one. We transferred the data from his original module to a replacement unit. After a 15-minute install, every single issue was resolved. It highlights how a single failing module can manifest as several smaller, confusing problems.
Common Symptoms of a Failing BCM
- ✔ Erratic or non-functional power windows, door locks, or mirrors.
- ✔ Interior or exterior lights staying on, flickering, or not working at all.
- ✔ The security system light is on, or the alarm goes off randomly.
- ✔ Key fobs are not detected or work intermittently.
- ✔ Windshield wipers turning on by themselves or not responding to the switch.
- ✔ Instrument cluster gauges behaving erratically or warning lights appearing for no reason.
- ✔ A complete no-start condition where the vehicle does not recognize the key.
The Smart, Simple Solution: A Programmed BCM
Replacing a BCM isn’t just a matter of swapping parts. A new module from the dealership is a blank slate; it must be professionally programmed to your vehicle’s specific VIN and options, a process that is both costly and time-consuming. Our professional programming service eliminates this step entirely. We take a fully tested, replacement module and transfer the critical data from your original BCM directly onto it. This ‘cloning’ process makes the replacement a true plug-and-play solution, specifically configured for your truck.
How Our BCM Programming Service Works
Our goal is to get you back on the road as quickly and easily as possible. The process is straightforward:
- Place Your Order: Complete your purchase through our secure checkout.
- We Contact You: We will reach out with clear, simple instructions for removing and shipping your original BCM to our facility.
- Ship Your Module: Package your original BCM securely and send it to us.
- Data Transfer: Upon arrival, our technicians will perform a full data transfer from your original module to the replacement unit. This typically takes 1-2 business days.
- Receive & Install: We ship your ready-to-install BCM back to you. Simply plug it in, and you’re done. No dealership visit required.
Important Post-Installation Information
While our goal is a 100% plug-and-play experience, some vehicle systems may require a ‘handshake’ with the new module. These are simple relearn procedures that can sometimes be necessary:
- Airbag System Sync: If the airbag warning light is on after installation, a ‘Setup SDM Primary Key in BCM’ procedure is needed. This syncs the airbag system with the BCM and requires a professional-grade scan tool.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration might be necessary to ensure proper brake light and traction control function.
This 2015 Yukon XL Body Control Module is a direct-fit solution for part number 13506936 and is also compatible with part numbers: 13592137, 13506935, 13587704, and 13594764. It fits a wide range of 2015-era GM vehicles, including the Silverado, Sierra, Tahoe, Suburban, Escalade, Corvette, and more. Please verify your part number to ensure compatibility.
Frequently Asked Questions
Why do I need to send you my original BCM?
Your original BCM contains vital, vehicle-specific data like the VIN, security key information, and settings for your vehicle’s options. By transferring this data to the replacement module, we make it a true plug-and-play part, saving you from an expensive trip to the dealership for programming.
Is this a repair service for my old module?
No, this is a data transfer service. You are purchasing a fully functional, tested replacement BCM that we will program with your vehicle’s original data. You keep your original, non-functional module.
How long does the programming service take?
We pride ourselves on a fast turnaround. The programming and testing are typically completed within 1-2 business days of us receiving your original module.
Will I need any special tools to install the BCM?
In most GM trucks and SUVs, the BCM is located under the driver’s side of the dashboard and can be accessed with basic hand tools like a socket set and a trim removal tool. The installation is a direct swap.
What if my original part number doesn’t match 13506936 exactly?
This module is compatible with several part numbers, including 13592137, 13506935, 13587704, and 13594764. As long as your part number is on this list, this service will work for your vehicle.