Restore Your SUV’s Electrical System with a Hassle-Free Solution
Are you dealing with baffling electrical issues in your 2015 Chevrolet Tahoe? Flickering lights, power windows with a mind of their own, or random warning messages on the dash are classic signs of a failing Body Control Module (BCM). As the central computer for your vehicle’s comfort and convenience features, a faulty BCM can turn your reliable SUV into a source of daily frustration. Dealerships often mean expensive diagnostics, high-priced parts, and lengthy programming sessions. We offer a smarter, more direct path to getting your Tahoe back to normal.
This is a replacement BCM that arrives at your door ready for installation. Our professional cloning service is the key: simply send us your original BCM, and we’ll transfer its unique vehicle data—including VIN, mileage, and security information—to this replacement unit. The result is a true plug-and-play module, eliminating the need for complex and costly on-vehicle programming. This service is designed for both seasoned mechanics and determined DIYers who want a reliable fix without the dealership headache.
From the Diagnostic Bay: The Case of the Haunted Tahoe
A customer brought in a 2015 Tahoe with a list of complaints that sounded like a poltergeist was at work. The radio would shut off, the dome lights would flicker while driving, and occasionally, the power locks would cycle on their own. They had already replaced the battery, thinking it was a simple voltage issue. After connecting my scan tool, I saw multiple U-codes (communication loss codes) pointing to the BCM. Instead of a difficult-to-trace wiring problem, the BCM itself was failing internally, causing data corruption across the network. By providing a programmed replacement 2015 Tahoe BCM, we solved all the ghost-like issues in one shot, saving the customer hundreds compared to the dealership’s quote.
Is Your Tahoe Showing These Symptoms?
- ✔ Erratic or non-functional power windows, door locks, or mirrors.
- ✔ Interior or exterior lights that stay on, flicker, or won’t turn on at all.
- ✔ False warnings on the instrument cluster (e.g., “Service Theft Deterrent System”).
- ✔ Intermittent no-start conditions where the engine cranks but won’t fire up.
- ✔ Communication loss codes, such as U0140, U0155, or other U-series DTCs.
- ✔ Malfunctioning keyless entry or remote start.
Your Straightforward BCM Installation Guide
- ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery before working on electrical components.
- ✔ Locate the BCM: On the 2015 Tahoe, the BCM is typically located under the steering column, behind the lower dash panel. Access may require removing a few trim pieces.
- ✔ Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that must be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket.
- ✔ Install the New Module: Mount your new, pre-programmed BCM in the same location. Reconnect all electrical connectors, ensuring they click securely into place.
- ✔ Post-Installation Checks: Reconnect the battery. Start the vehicle and test all body functions: lights, windows, locks, wipers, and radio. Address any warning lights as noted below.
Important Post-Installation Notes
While our programming handles the critical data, some vehicle systems may require a ‘handshake’ with the new BCM. 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 airbag system with the new BCM.
- Brake Pedal Position Relearn: On some models, a Brake Pedal Position (BPP) sensor relearn may be required to ensure correct brake light operation and to prevent issues with the traction control system.
Disclaimer: We always recommend consulting a factory service manual or a certified technician if you are unsure about any step of the process.
Will This Fit My Vehicle?
This BCM is a direct replacement for part number 13594764 and is also compatible with part numbers 13592137, 13506935, 13506936, and 13587704. It is confirmed to fit the following GM vehicles:
- 2015 Chevrolet Corvette
- 2015-2016 Chevrolet Impala (New Style)
- 2015 Chevrolet Silverado 1500, 2500, 3500
- 2015 Chevrolet Suburban 1500
- 2015 Chevrolet Tahoe
- 2015-2018 Chevrolet Sonic
- 2015 GMC Sierra 1500, 2500, 3500
- 2015 GMC Sierra Denali 1500, 2500, 3500
- 2015 GMC Yukon & Yukon XL 1500
- 2015 Cadillac Escalade & Escalade ESV
- 2015-2016 Cadillac ATS
- 2015-2016 Cadillac CTS
- 2015 Cadillac XTS
Frequently Asked Questions
How does the programming service work?
After you purchase, we will provide you with instructions to ship your original BCM to us. Once we receive it, we extract the vehicle-specific data and flash it onto the replacement module. We then ship the programmed module back to you, ready for installation.
Do I need to do any programming myself?
No. Our service handles all the necessary programming. Your new BCM will be plug-and-play. In some rare cases, a simple relearn procedure like for the brake pedal position sensor might be needed, which can often be done with a high-quality scan tool.
What if my original BCM is completely dead or not communicating?
In many cases, even if the BCM is failing, we can still extract the necessary data. Please contact us before ordering if your module is severely damaged by water or fire, or if it cannot be read by a professional scan tool.
Is there a core charge for this part?
No, there is no core charge. We only need your original module for the data transfer service. You can keep your old module after the service is complete.
How long does the whole process take?
We typically program and ship your replacement module within 1-2 business days of receiving your original BCM. The total time will depend on shipping transit times to and from our facility.