Description
2009 GMC Sierra 6.2L TCM Transmission Control Module – Programmed Plug & Play
This Transmission Control Module (TCM / TCU) is a genuine OEM replacement for all 2009 GMC Sierra 6.2L 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



Jason Miller –
The plug-and-play setup was flawless and the free shipping made this an easy and affordable fix for my truck.
John Murray –
I ordered the 2009 GMC Sierra 6.2L TCM Transmission Control Module and was really impressed with how quickly it arrived—free shipping made it even better. The plug-and-play setup worked flawlessly with no additional programming needed, which saved me a lot of hassle. Their team also responded quickly when I had a couple of questions before purchasing, making the whole process smooth and worry-free. Overall, a solid experience and a reliable product.
Isaac Lopez –
This TCM was a perfect fit and got my Sierra shifting smoothly again with zero hassle—plug it in and you’re good to go! Super fast delivery and excellent support made the whole process a breeze.