Description
2007 GMC Sierra 6.6L TCM Transmission Control Module – Programmed Plug & Play
This Transmission Control Module (TCM / TCU) is a genuine OEM replacement for all 2007 GMC Sierra 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
Cole Lopez –
I ordered the 2007 GMC Sierra 6.6L TCM and was really impressed with how quickly it arrived, especially since the shipping was free. The plug-and-play feature made installation straightforward, and the transmission shifted smoothly right away. The seller also answered all my questions promptly, which made the whole process stress-free. Overall, a great experience and a quality product.
Adrian Wallace –
The plug-and-play TCM arrived quickly with free shipping, and it worked perfectly in my 2007 GMC Sierra—no hassle at all.
Daniel Taylor –
Installed the TCM in my 2007 Sierra and it worked flawlessly right out of the box—super quick and hassle-free. Shipping was fast, and the support team was ready to help if I needed it.
Matthew Brooks –
I was a bit nervous ordering the TCM for my 2007 GMC Sierra, but it arrived quickly and well-packaged. Installation was straightforward, and it truly was a plug-and-play experience—no complicated coding required. After hooking it up, my truck shifted smoothly again, just like when it was brand new. The difference is night and day, and I’m really glad I didn’t have to spend a fortune at the dealership. If you need a reliable fix without the hassle, this module is definitely worth it.
After struggling with transmission issues for months, I finally decided to try this control module for my 2007 Sierra. Shipping was surprisingly fast, which was a relief because I needed my truck working ASAP. Putting it in was easier than I expected, and the truck’s performance immediately improved. It feels like I got a brand-new transmission without the huge repair bill. Highly recommend this for anyone dealing with transmission control problems.
This 6.6L TCM module worked perfectly for
Adam Rogers –
Swapping out the transmission control module on my 2007 GMC Sierra was a breeze thanks to this plug-and-play unit. It arrived quickly and worked flawlessly right out of the box—no programming required on my end. My truck shifted smoother than it has in years, and I really appreciated the clear installation instructions that made the process stress-free. Definitely a reliable replacement part that gets the job done.
Chase Morgan –
I had been struggling with transmission issues on my 2007 GMC Sierra and decided to order this 6.6L TCM module. The plug-and-play setup made installation straightforward, and it was clear that the programming was done professionally—everything worked perfectly right out of the box. I also appreciated the fast shipping; it arrived much sooner than I expected, which helped me get my truck back on the road quickly. Throughout the process, the seller kept me informed and answered my questions promptly, which made the whole experience stress-free. This was a great purchase and definitely worth it.
Benjamin Hall –
I recently replaced the TCM on my 2007 GMC Sierra with this programmed unit, and I couldn’t be happier. Installation was straightforward—no fiddling with complicated coding, it literally just plugged in and worked. I was back on the road in no time with smooth shifting and no warning lights. Shipping arrived sooner than I expected, which was a nice bonus. If you’re hesitant about tackling transmission electronics, this module makes the process painless and reliable. Definitely worth the investment.