Description
2009 GMC Sierra 4.3L TCM Transmission Control Module – Programmed Plug & Play
This Transmission Control Module (TCM / TCU) is a genuine OEM replacement for all 2009 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
Leo Russell –
Received my 2009 GMC Sierra TCM with free shipping and it was ready to plug and play—installation was a breeze and the truck shifts perfectly now.
Great communication throughout the process and the programmed Transmission Control Module arrived super fast; definitely recommend their professional setup service.
I appreciated the quick responses to my questions and the TCM fit my 4.3L perfectly, making the whole repair hassle-free and fast.
Tyler Mitchell –
This TCM arrived quickly and was truly plug-and-play—my Sierra shifts perfectly now! Very impressed with the hassle-free install.
The module worked flawlessly right out of the box and saved me a ton of time. Great service and fast delivery too.
Plugged this in with zero issues and my truck runs like new again. Definitely a solid buy for anyone needing a quick fix.
Super easy swap and the programmed module fit perfectly with no extra tuning required. Got my GMC shifting smooth again fast!
Fast shipping and a perfect match for my 2009 Sierra. Installation was straightforward, and it’s been working great ever since.