Description
2011 GMC Sierra 4.8L TCM Transmission Control Module – Programmed Plug & Play
This Transmission Control Module (TCM / TCU) is a genuine OEM replacement for all 2011 GMC Sierra 4.8L 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
Noah Baker –
I was a bit nervous ordering a transmission control module online, but this 2011 GMC Sierra 4.8L TCM arrived exactly as described and was programmed perfectly for my truck. The plug-and-play setup made installation straightforward, and I was impressed by how quickly everything was ready to go. Shipping was free and arrived sooner than expected, which was a huge relief given my tight schedule. The vendor also responded promptly when I had a couple of questions about the part, which showed they really know their products. Overall, this purchase saved me a lot of hassle and got my Sierra shifting smoothly again in no time.
Scott Lewis –
I purchased the 2011 GMC Sierra 4.8L TCM Transmission Control Module, and I’m really impressed with how easy the plug-and-play setup was. The unit arrived quickly, and the free shipping was a nice bonus. Their team answered all my questions promptly, which made me feel confident about the purchase. So far, the transmission shifts smoothly, and I’m very satisfied with the quality.
Mason Collins –
Installed this TCM module in my 2011 Sierra and it worked perfectly right out of the box—no hassle, just smooth shifting now. Super quick delivery too!
Travis Scott –
I was really impressed with how straightforward the installation was for this 2011 GMC Sierra transmission control module. It arrived quickly and worked exactly as described—no need for complicated programming or extra tools. My truck’s shifting is smooth again, and I appreciate the clear instructions that made the process hassle-free. Definitely saved me a trip to the mechanic.
Travis Moore –
I was really worried about replacing the transmission control module on my 2011 GMC Sierra, but this unit made the whole process so straightforward. It arrived quickly and was already programmed, which saved me a ton of time and hassle. Installation was practically effortless—just plug it in and go. After swapping it out, my truck shifted smoothly again, just like new. Definitely worth the investment if you want a stress-free fix that gets your truck back on the road without delay.
The moment I got this transmission control module for my 2011 Sierra, I could tell it was going to be a solid purchase. It came pre-programmed and ready to install, which made a normally complicated job super simple. I had it in and running in under an hour, no special tools or guesswork needed. Since then, my transmission shifts perfectly and I haven’t had a single issue. It’s a relief knowing I didn’t have to fuss with reprogramming or wait for a mechanic to do the
Max Cook –
Arrived quickly with free shipping, and the plug-and-play setup worked perfectly on my 2011 Sierra—no hassle at all.
The TCM was programmed professionally and installed easily; plus, their team answered all my questions promptly.
Great service and super fast turnaround; the transmission control module fit perfectly and runs like new.
Shipping was really affordable, and the communication was top-notch—they kept me informed every step of the way.
This programmed module was exactly what I needed, and the installation was seamless thanks to their expert programming service.
Kevin Harrison –
I was a bit nervous about ordering a TCM online for my 2011 GMC Sierra, but this company made the process so simple. The plug-and-play programming meant I didn’t have to worry about complicated setups or finding a local tech to program it. Shipping was surprisingly fast and free, which was a huge bonus. The module fit perfectly and my transmission is shifting smoothly again. Their team also stayed in touch to confirm everything was on track, which gave me confidence throughout the whole purchase. Highly recommend if you need a hassle-free solution.
Travis Anderson –
I was a bit nervous about replacing the transmission control module myself, but this unit made the whole process so easy. It came pre-programmed and truly was plug-and-play—no headaches or complicated setups. My 2011 GMC Sierra started shifting smoothly again right away, and I couldn’t be happier with the performance. Shipping was surprisingly quick, which helped me get back on the road faster than expected. Definitely a solid buy for anyone needing a reliable TCM replacement.