Finally, A Reliable Fix for Your Tahoe’s Electrical Headaches
Is your 2015 Chevy Tahoe acting possessed? Flickering lights, malfunctioning power windows, a security system that randomly engages, or worse—a vehicle that won’t start? Before you spend a fortune at the dealership, the problem is very likely a failing Body Control Module (BCM). As the central nervous system for your vehicle’s electronics, when the BCM goes bad, it creates a cascade of confusing and frustrating issues. This isn’t just an inconvenience; it can be a serious safety concern.
We offer a straightforward, professional solution. This isn’t just a part in a box; it’s a comprehensive cloning service. You send us your original, faulty BCM, and our expert technicians will transfer its unique identity—including the VIN, mileage, and key fob programming—to this fully tested replacement unit. We then ship it back to you, ready for a simple, plug-and-play installation. This process completely bypasses the need for expensive dealership programming tools and appointments, saving you significant time and money.
A Technician’s Notebook: The Tahoe That Wouldn’t Cooperate
I remember a 2015 Tahoe that came into my bay with a laundry list of complaints from the owner. The radio would turn on and off, the driver’s side window wouldn’t roll down, and the interior dome lights had a mind of their own. The owner had already replaced the battery and checked all the fuses. A quick scan showed a dozen communication error codes (U-codes) pointing in every direction. This is a classic sign of a failing BCM. Instead of a difficult and expensive replacement at the dealer, we used a cloned module. After a 15-minute swap, every single issue was gone. The owner was thrilled to have his truck back to normal without a massive bill.
Is Your Vehicle Showing These Symptoms?
- ✔️ Power windows, locks, or mirrors working intermittently or not at all.
- ✔️ Interior or exterior lights flickering, staying on, or not turning on.
- ✔️ The security system alarm sounding for no reason or preventing the engine from starting.
- ✔️ Inaccurate readings on the instrument cluster gauges.
- ✔️ Communication error codes, such as U0140, U0155, or other U-series codes.
- ✔️ The air conditioning or climate control system behaving erratically.
- ✔️ Key fobs not being recognized by the vehicle.
A Straightforward Guide to Your BCM Installation
- âś” Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- âś” Locate the BCM: On your 2015 Tahoe, the BCM is typically located under the steering column, behind the lower dash panel. Consult a service manual if you’re unsure.
- âś” Remove the Original Module: Carefully unplug the electrical connectors. They have locking tabs that need to be depressed. Once unplugged, unbolt or unclip the module from its mounting bracket.
- âś” Install the New Module: Mount your newly programmed BCM in the exact same location. Firmly reconnect all electrical connectors, ensuring they click into place.
- âś” Reconnect Power: Reattach the negative battery terminal.
- âś” Test All Functions: Start the vehicle and test all body electronics: lights, windows, locks, radio, and climate controls to confirm the repair.
Important Post-Installation Note: In some cases, additional steps may be required. If your airbag light is on, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. A ‘Brake Pedal Position Relearn’ may also be necessary for proper brake light and traction control function. Always refer to a factory service manual for vehicle-specific instructions.
Verified Vehicle Compatibility
This BCM cloning service is a direct solution for part number 13587704 and is also compatible with part numbers 13592137, 13506935, 13506936, and 13594764. It fits a wide range of 2015-2018 GM vehicles. Please verify the part number on your original module to ensure a perfect match.
- 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 & Denali Models (2015)
- GMC Yukon & Yukon XL 1500 (2015)
- Cadillac ATS (2015-2016)
- Cadillac CTS (2015-2016)
- Cadillac Escalade & Escalade ESV (2015)
- Cadillac XTS (2015)
Frequently Asked Questions
How does the cloning service work?
After you place your order, we will provide you with instructions to ship your original BCM to us. Our technicians will then extract the essential programming and transfer it to the replacement module. We ship the newly programmed module back to you, ready for installation.
Do I need to send you my keys or key fobs?
No. Because we are cloning your original module’s data, all of your existing keys and key fobs will work seamlessly with the new BCM, just as they did before.
Is this truly plug-and-play?
Yes, for over 99% of installations. The cloning process handles all the complex VIN and security programming. In rare cases, a simple relearn procedure like for the airbag system or brake pedal sensor may be needed, as noted in the description.
What is the turnaround time?
We pride ourselves on a fast turnaround. We typically program and ship your replacement BCM within 1-2 business days of receiving your original module.
Do I need to pay a core charge?
No, there is absolutely no core charge for this service. You can keep your original module after you’ve received the programmed replacement from us.
What if my original BCM is completely dead or not communicating?
In most cases, even if the BCM is failing, we can still retrieve the necessary data. If your module is severely damaged (e.g., by fire or water), please contact us before ordering so we can discuss the available options.