Description
2015 Chevrolet Silverado 6.6L TCM Transmission Control Module – Programmed Plug & Play
This Transmission Control Module (TCM / TCU) is a genuine OEM replacement for all 2015 Chevrolet Silverado 6.6L models. Each unit is pre-programmed to your vehicle’s VIN and updated to the latest manufacturer calibration for a true plug-and-play installation with no dealer visit required.
Built to OEM standards for reliability, shift quality, and long-term performance.
Strict Testing & Quality Assurance
Each TCM is fully refurbished, bench-tested, and inspected by our certified in-house technicians.
We use professional off-board testing equipment to verify:
Proper CAN-bus communication
Shift-solenoid activation
Input/Output sensor signal validation
Temperature and load simulation
Live-data performance under simulated driving conditions
No module leaves our facility without passing a full quality control inspection. This ensures you receive a unit that performs better than new at an unbeatable value.
Common Symptoms of a Faulty TCM
Hard shifting / delayed shifting
Gear slipping
Stuck in Limp Mode
Transmission overheating
Erratic gear changes
Poor fuel economy
Trouble codes related to shift solenoids or communication
Important Note
This TCM is fully programmed and updated and does not require additional programming after installation.
Simply install the unit and the vehicle will recognize it automatically.
If your original TCM has unique calibration or custom parameters, we also offer a TCM Cloning Service, which transfers all data-including VIN, shift adaptations, and configuration settings-into the replacement unit.
Contact Us
Email: info@fixecm.com
Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566



Jordan Moore –
Received my 2015 Silverado TCM quickly with free shipping, and the plug-and-play setup was flawless—had it running in no time.
Jordan Phillips –
This TCM fit perfectly and arrived quicker than expected—installed in minutes with zero hassle. Highly recommend for anyone needing a reliable replacement!
Super easy swap with this plug-and-play module; my Silverado is shifting smoother than ever. Great product and fast delivery!
No programming headaches here, just a straightforward install that got my truck running like new again. Very impressed with the quality!
Installed this transmission control module in no time, and the truck drives flawlessly now. Shipping was swift and the support was top-notch.
Exactly what I needed for my 2015 Silverado—worked perfectly right out of the box with minimal effort. Definitely worth every penny!
Ethan Phillips –
I was really impressed with how easy this TCM was to install since it came pre-programmed and plug-and-play ready. It saved me a ton of time compared to other units I looked at that required separate coding. The shipping was surprisingly fast, arriving well within the estimated window, which was a nice bonus. When I had a couple of questions about compatibility, their customer service was quick to respond and very helpful. Overall, this purchase made getting my Silverado back on the road hassle-free, and I’d definitely buy from them again.
Nathan Adams –
I was impressed with how quickly this 2015 Silverado TCM arrived, especially with the free shipping included. The plug-and-play setup made installation straightforward, saving me a lot of time and hassle. The transmission has been shifting smoothly ever since, and the quality of the programming is clearly top-notch. I also appreciated the clear instructions that came with it, which helped me feel confident during the install.