Description
2010 GMC Sierra 4.3L TCM Transmission Control Module – Programmed Plug & Play
This Transmission Control Module (TCM / TCU) is a genuine OEM replacement for all 2010 GMC Sierra 4.3L 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



Luis Reed –
This Transmission Control Module was exactly what my 2010 GMC Sierra needed. The plug-and-play setup made installation straightforward, and it fired up without any programming hassle. Shipping was quick, and I appreciated the clear instructions provided. Overall, a reliable replacement that got my truck shifting smoothly again.
Dylan Burton –
I was really impressed by how quick and professional the programming service was for this 2010 GMC Sierra TCM. The plug-and-play setup made installation straightforward, and it saved me a lot of hassle. Shipping was free, which was an added bonus, and the module worked perfectly right from the start. Overall, a solid purchase that got my truck shifting smoothly again.
Paul Bailey –
I was a bit nervous ordering a replacement transmission control module for my 2010 GMC Sierra, but this unit arrived quickly and ready to go right out of the box. Installation was surprisingly straightforward—I didn’t have to mess with any complicated programming or additional tools. Once installed, my truck shifted smoothly again like it used to when it was new. The difference is night and day, and it feels like I saved a ton compared to dealership prices. Very happy with this purchase and how seamless everything went.
Robert Douglas –
Great quality TCM with plug-and-play programming, arrived quickly with free shipping. Setup was straightforward and it’s working perfectly so far!
Kevin Sanders –
This TCM fit perfectly and installed in minutes—my Sierra runs smoother than ever. Super quick delivery too!
Got my 2010 GMC Sierra’s transmission module swapped out hassle-free thanks to the true plug-and-play design. Highly recommend!
Worked exactly as described, and the truck shifted perfectly right after install. Plus, the tech support was on point with quick answers.
Plugged it in, and my transmission problems disappeared instantly. Shipping was fast, and the whole process was seamless.
No headaches with this unit—came programmed and ready to go. My Sierra is back to driving like new!