Restore Your Vehicle’s Electrical System with a Plug-and-Play BCM
If you’re dealing with bizarre electrical issues in your GM vehicle—like flickering lights, malfunctioning power windows, or a security system that has a mind of its own—you’re likely facing a failing Body Control Module (BCM). As a technician with over 20 years of experience, I’ve seen how a faulty BCM can turn a reliable vehicle into a source of constant frustration. It’s the central command center for all your vehicle’s comfort and convenience features, and when it fails, chaos ensues. This isn’t just an inconvenience; it can affect vehicle security and safety systems.
Forget expensive dealership visits, towing fees, and long waits for programming appointments. We offer a simple, streamlined solution: a professionally programmed 2015-2016 GM BCM that arrives at your door ready for installation. Our mail-in cloning service transfers all the critical data from your original module to this replacement unit, ensuring a perfect match for your vehicle’s specific configuration and VIN. This process makes the replacement as simple as swapping the part, saving you hundreds of dollars and significant downtime.
Is Your Vehicle Showing These Telltale Signs?
A failing BCM often sends out distress signals. If you notice any of the following, it’s a strong indicator that your Body Control Module needs attention:
- ✔ Power windows, door locks, or mirrors working intermittently or not at all.
- ✔ Interior or exterior lights flickering, staying on, or not turning on.
- ✔ The security system or keyless entry failing to operate correctly.
- ✔ The horn sounding randomly or not working when pressed.
- ✔ A ‘Service Theft System’ or similar warning message on the dash.
- ✔ Diagnostic Trouble Codes (DTCs) related to communication loss with other modules, such as U0140, U0155, or U0100.
Case Study: A Tricky Diagnosis
A 2015 Sierra 1500 came into my bay last month with a laundry list of complaints from the owner. The radio would cut out, the dome light would flicker while driving, and the power locks were unresponsive. The owner had already replaced the battery and checked fuses with no luck. A quick scan showed multiple U-codes, pointing to a network communication breakdown. After isolating the modules, we pinpointed the BCM as the culprit. Instead of a costly new module and a full day of programming at the dealer, we used our cloning service. We had the replacement 2015-2016 GM BCM programmed and shipped back to him. He installed it himself in under an hour, and every single issue was resolved. It’s a perfect example of how this service gets you a dealership-level fix without the dealership-level headache.
Your Straightforward BCM Installation Guide
Our cloning service handles the complicated programming, making your job much easier. While the BCM location varies by model (from under the steering column to behind a kick panel), the physical replacement is straightforward.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- Locate the BCM: Consult your owner’s manual or a reliable online resource to find the exact location of the BCM in your specific vehicle model. Common locations are under the driver’s side dash, on the firewall, or in a kick panel.
- Remove the Old Module: Carefully unplug the electrical connectors. They have locking tabs, so be gentle. Then, unbolt or unclip the module from its mounting bracket.
- Install the New Module: Mount your new, pre-programmed BCM in place and securely reconnect all the electrical harnesses. You should hear a ‘click’ as they lock in.
- Reconnect and Test: Reconnect the negative battery terminal. Start the vehicle and test all the functions controlled by the BCM—lights, locks, windows, horn, etc.—to confirm the repair was successful.
Important Post-Installation Notes
In some cases, your vehicle may require a simple ‘handshake’ procedure after the new BCM is installed. This is normal and ensures all systems communicate correctly.
- Airbag System Sync: If your airbag light is on after installation, a ‘Setup SDM Primary Key in BCM’ procedure may be needed. This requires a professional scan tool and syncs the new BCM with the airbag system.
- Brake Pedal Position Relearn: To ensure proper brake light and traction control operation, a brake pedal position sensor relearn might be necessary on certain models.
Disclaimer: Always consult a factory service manual or a qualified technician if you are unsure about any step.
Verified Compatibility for Your Vehicle
This module is a direct-fit, programmed solution for a wide range of GM vehicles. Please match your part number (13506935, 13592137, 13506936, 13587704, 13594764) and verify your model from the list below:
- Cadillac ATS: 2015-2016
- Cadillac CTS: 2015-2016
- Cadillac Escalade / ESV: 2015
- Cadillac XTS: 2015
- Chevrolet Corvette: 2015
- Chevrolet Impala: 2015-2016 (New Style, VIN 1)
- Chevrolet Silverado 1500/2500/3500: 2015
- Chevrolet Sonic: 2015-2018
- Chevrolet Suburban 1500: 2015
- Chevrolet Tahoe: 2015
- GMC Sierra 1500/2500/3500 & Denali Models: 2015
- GMC Yukon / Yukon XL 1500: 2015
Frequently Asked Questions
What exactly does the Body Control Module (BCM) do?
The BCM is a computer that acts as the central hub for your vehicle’s body electronics. It controls non-engine-related functions like power windows, locks, interior/exterior lighting, security systems, wipers, and more. When it fails, these systems can become erratic.
How does your mail-in cloning service work?
It’s simple. After you place your order, we’ll contact you with instructions to ship your original BCM to us. Once we receive it, our technicians extract the unique vehicle data and transfer it to the replacement module. We then ship the plug-and-play replacement back to you, usually within one business day. This ensures perfect compatibility without any need for dealer programming.
Do I need any special tools to install this?
For most models, you’ll only need basic hand tools like a socket set or screwdriver to access and remove the old BCM. No programming tools are required, as we handle that for you before shipping.
What if my original BCM is water damaged or won’t communicate?
In many cases, we can still recover the necessary data even from modules that are non-communicative or have sustained damage. Please contact us before ordering to discuss the condition of your module, and our technicians can advise on the likelihood of a successful data transfer.
Is there a core charge or do I need to return my old part?
There is no core charge for this item. We only need your original module temporarily for the data cloning service. Once the service is complete, you can keep your original module.