Description
2013 GMC Sierra 4.8L TCM Transmission Control Module – Programmed Plug & Play
This Transmission Control Module (TCM / TCU) is a genuine OEM replacement for all 2013 GMC Sierra 4.8L 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
Aiden Howard –
This TCM fit my 2013 Sierra perfectly and the installation was a breeze—had it up and running in no time! Shipping was quick and hassle-free.
Plugged this module in without any tweaks, and my transmission shifted smoother than ever. Really impressed with the straightforward setup.
Received the programmed control module faster than expected, and it worked flawlessly right out of the box. Highly recommend for anyone needing a reliable fix.
The 4.8L transmission module was exactly as described and installation was super simple. My truck drives like new again!
Quick delivery and seamless install on my GMC Sierra 2013. This plug-and-play module saved me a lot of headaches and downtime.
James Bailey –
I was really impressed with how fast the shipping was for this 2013 GMC Sierra TCM. The module arrived ready to install with the plug-and-play programming already done, which saved me a lot of time and hassle. The quality of the part seems top-notch, and my transmission is shifting smoothly again. The seller also responded quickly to a couple of questions I had before purchasing, which gave me extra confidence in the product.
Andrew Kelly –
The plug-and-play setup made installation a breeze, and the free shipping was a nice bonus. Communication was spot on throughout the process.
Kevin Allen –
The 2013 GMC Sierra 4.8L TCM Transmission Control Module arrived quickly and was ready to install straight out of the box. I appreciated how it was pre-programmed—no extra steps or trips to the dealer required. After swapping it in, my truck’s shifting became smooth and responsive again, just like new. Definitely a reliable fix that saved me a lot of hassle.