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
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.