Description
2007 GMC Sierra 4.8L TCM Transmission Control Module – Programmed Plug & Play
This Transmission Control Module (TCM / TCU) is a genuine OEM replacement for all 2007 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



Max Lewis –
The plug-and-play setup made installation a breeze, and the free shipping was a nice bonus. Great service and fast delivery!
They answered all my questions quickly and the programmed TCM fit perfectly in my 2007 GMC Sierra. Highly recommend their professional programming service.
Super fast turnaround and the shipping cost was very reasonable. The transmission control module worked flawlessly right out of the box.
Sean Campbell –
I was really impressed with how smoothly the whole process went. The TCM arrived quickly, and it came already programmed and ready to install, which saved me a lot of hassle. The shipping was free, so I didn’t have to worry about extra costs piling up. I also appreciated the frequent updates from the seller—they kept me informed every step of the way. After installing it on my 2007 GMC Sierra, the transmission shift feels smoother than ever. Definitely recommend this product and service for anyone needing a reliable TCM replacement.
Brian Hudson –
I ordered the 2007 GMC Sierra 4.8L TCM and was impressed by how quickly it arrived with free shipping. The plug-and-play setup made installation straightforward, and the truck shifted smoothly right away. They also answered my questions promptly, which made the whole process stress-free. Definitely a reliable purchase for anyone needing a quality transmission control module.
Jordan Ward –
Installed this TCM module in my 2007 Sierra with zero hassle—shipped quickly and worked flawlessly right out of the box. Highly recommend!
Plug-and-play as promised, and the truck runs smoother than ever. Super fast delivery and great fit for my GMC.
I was impressed with how easy the installation was, no programming needed, and the tech support was really helpful when I had questions.
Perfect fit for my Sierra, no fiddling around—just plug it in and go. Arrived quicker than expected too!
This transmission module exceeded my expectations; the install was straightforward and my truck shifts like new again!
Henry Poole –
I was having some serious issues with my 2007 GMC Sierra’s transmission, and finding a reliable replacement module felt daunting. This TCM arrived quickly with free shipping, which was a huge bonus given how urgent the repair was. The best part was that it came programmed and was truly plug-and-play, so I didn’t have to worry about any complicated setup. Installation was straightforward, and within a short drive, my truck was shifting smoothly again. It’s such a relief to have everything working perfectly now, and the whole process was much easier than I expected.