Description
2007 GMC Sierra 5.3L TCM Transmission Control Module – Programmed Plug & Play
This Transmission Control Module (TCM / TCU) is a genuine OEM replacement for all 2007 GMC Sierra 5.3L 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
Contact Us
Email: info@fixecm.com
Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566



Isaac Young –
I was really impressed with how easy this transmission control module was to install on my 2007 GMC Sierra. It arrived quickly and came already programmed, which saved me a ton of time and hassle at the shop. After swapping it in, my truck shifted smoothly and ran better than it had in months. I didn’t have to mess around with reprogramming or complicated steps—just plug and play as promised. Overall, this was a great purchase that made a stressful repair much simpler.
After a transmission issue left me stranded, I ordered this TCM for my 2007 Sierra and couldn’t be happier with the results. The module showed up right on schedule and was ready to go out of the box. Installation was straightforward, and once it was in, the transmission performance improved noticeably. It felt like my truck was driving like new again, without any hiccups or strange shifting. Plus, the seller was really helpful when I had a couple of questions, which made the whole process smooth.
Kyle Nelson –
I was really impressed with how straightforward this transmission control module was to install. The plug-and-play setup made the whole process hassle-free, and I didn’t have to worry about finding a separate programming service. Shipping was surprisingly quick and affordable, which was a nice bonus. After swapping it in, my Sierra shifted smoothly again, and it feels like driving a brand-new truck. The seller also responded promptly when I had a couple of questions before ordering, which gave me extra confidence in the purchase.
Michael Young –
Really impressed with how quick and easy the install was—this module worked perfectly right out of the box!
Henry Hall –
I was really impressed with how straightforward the installation was on this Transmission Control Module for my 2007 GMC Sierra. It came pre-programmed, which saved me a ton of time and hassle since I didn’t have to take it to a shop. The shipping was quick, and the unit works perfectly—transmission shifts have been noticeably smoother since the swap. Definitely a solid purchase for anyone needing a reliable replacement.
Brandon Gonzalez –
I needed a replacement TCM for my 2007 GMC Sierra with the 5.3L engine, and this plug-and-play module worked perfectly right out of the box. The programming was already done, which saved me a lot of time and hassle. Shipping was surprisingly quick and affordable, and the quality of the unit feels solid and reliable. Overall, a smooth experience from order to installation.
Connor Gray –
I was having trouble with the transmission in my 2007 GMC Sierra, and this TCM module was exactly what I needed. The plug-and-play feature made installation straightforward, and I didn’t have to worry about any complicated programming. Shipping was quick and surprisingly affordable, which was a huge plus since I needed it fast. The communication from the seller was great—they answered all my questions promptly and kept me informed throughout the process. So far, my truck shifts perfectly, and I’m really pleased with the overall experience.
Brandon Scott –
Fast shipping and the plug-and-play setup made installing this TCM super easy—worked perfectly the first time.