Description
2013 GMC Sierra 4.3L TCM Transmission Control Module – Programmed Plug & Play
This Transmission Control Module (TCM / TCU) is a genuine OEM replacement for all 2013 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
Cole Kelly –
Received the 2013 GMC Sierra TCM with plug-and-play setup, and it was ready to go right out of the box—shipping was fast and free too!
Lucas Bell –
Installation was a breeze with this TCM module—it truly was a plug-and-play experience. My 2013 GMC Sierra runs smoother, and shifting feels much more responsive now. Shipping was surprisingly quick, arriving well-packaged and on time. Definitely a reliable replacement part that works as advertised.
Andrew Campbell –
This TCM module installed quickly with zero hassle, and my Sierra shifts smoother than ever. Really impressed with the speedy delivery too!
Swapping out the transmission control module was a breeze—plugged right in and worked perfectly from the start. Great product, highly recommend!
Fast shipping and super straightforward installation made fixing my GMC Sierra a painless process. The transmission feels brand new again!
Plug-and-play as promised! This module fixed my transmission issues promptly, and the tech support was helpful when I had a quick question.
I’m amazed at how simple it was to upgrade my truck’s transmission control with this part—no programming headaches at all. Definitely worth every penny!