Description
2011 GMC Sierra 4.3L TCM Transmission Control Module – Programmed Plug & Play
This Transmission Control Module (TCM / TCU) is a genuine OEM replacement for all 2011 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
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
Logan Watson –
This replacement TCM for my 2011 GMC Sierra was exactly what I needed. It arrived quickly and arrived pre-programmed, which saved me a lot of hassle. Installation was straightforward and it worked flawlessly right away, restoring smooth shifting and optimal performance. Definitely a solid purchase for anyone needing a reliable transmission control module.
Brandon Lewis –
The plug-and-play setup made installation a breeze, and the free shipping was a nice bonus. Communication was spot on, keeping me informed every step of the way.
Jose Wright –
Installed this 2011 GMC Sierra TCM module in minutes, no hassle at all—shipped quickly and works perfectly. Highly recommend!
Owen Torres –
I was really impressed with how straightforward the installation was for this TCM module. My 2011 GMC Sierra had been having shifting issues, and once I replaced it with this programmed plug-and-play part, the transmission started running smoothly again almost immediately. Shipping was quick, which was a relief since I needed the truck back on the road fast. The fit was perfect, and I didn’t have to do any additional programming or tweaks, which saved me a ton of time. Overall, this was a hassle-free fix that got my truck performing like new again.