Description
2011 GMC Sierra 6.0L TCM Transmission Control Module – Programmed Plug & Play
This Transmission Control Module (TCM / TCU) is a genuine OEM replacement for all 2011 GMC Sierra 6.0L 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



Logan Mitchell –
This TCM module was exactly what my Sierra needed and installed in minutes—no hassle at all! Super fast shipping and flawless performance so far.
Isaac Scott –
I bought this TCM for my 2011 GMC Sierra after my old module started causing shifting issues. The installation was surprisingly straightforward—just unplug the old one and plug this in, no complicated programming needed. It’s been a few weeks now, and my truck shifts smoothly again like when it was new. I was also impressed with how quickly it arrived, which meant less downtime for my truck. Overall, a solid purchase that saved me a lot of frustration and money on repairs.
After dealing with some transmission problems, I decided to give this 2011 GMC Sierra 6.0L TCM a try, and I couldn’t be happier. The module came already programmed, so I just swapped it out myself in under an hour with no special tools or software. The difference was immediate—shift quality improved dramatically and the transmission feels responsive again. Shipping was surprisingly fast, and when I had a quick question, the support team was very helpful. Definitely recommend this if you want a hassle
Ryan Lopez –
This replacement TCM for my 2011 GMC Sierra 6.0L was exactly what I needed. It came pre-programmed, so installation was straightforward and saved me a lot of time. The part fit perfectly, and the truck runs smoother than ever. Shipping was prompt, and the customer support team helped answer a couple of my questions quickly.
Bruce Miller –
Fast shipping and the plug-and-play setup made installing the TCM on my 2011 GMC Sierra a breeze—highly recommend!
Jacob Perez –
I was a bit nervous about ordering a transmission control module online, but this 2011 GMC Sierra TCM was exactly what my truck needed. Installation was incredibly straightforward—no complicated programming or funny steps, just unplug and replace. The truck shifted smoother right away, and I haven’t had any issues since. Shipping was quicker than I expected, too, which was a pleasant surprise. Definitely saved me a trip to the mechanic and a lot of downtime on the road.
After searching high and low for a reliable replacement TCM, I decided to try this programmed plug-and-play unit for my 2011 GMC Sierra. The moment I swapped it out, the difference was noticeable—the transmission responded perfectly, with no more hesitation or shifting problems. I appreciated how everything fit perfectly without needing additional programming or tweaks, making the install hassle-free. It’s rare to find parts that just work as promised, but this one did. Overall, a solid purchase that got my truck running like new again.
Replacing the transmission