Description
2008 GMC Yukon 6.0L TCM Transmission Control Module – Programmed Plug & Play
This Transmission Control Module (TCM / TCU) is a genuine OEM replacement for all 2008 GMC Yukon 6.0L 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



Miguel Gonzalez –
This TCM was exactly what my 2008 GMC Yukon needed to get back on the road smoothly. The module arrived quickly and was already programmed, making the installation straightforward and hassle-free. I appreciated how it truly was plug-and-play with no extra coding required, saving me both time and a trip to the mechanic. Overall, it restored my transmission control perfectly and I’m very satisfied with the purchase.
Matthew Adams –
I was really impressed with how straightforward the installation was on this TCM for my 2008 GMC Yukon. It literally just plugged right in, and the vehicle fired up without any hiccups. I was worried I might have to deal with complicated programming or a visit to the mechanic, but everything worked seamlessly from the start. Shipping was surprisingly quick, too, which was a nice bonus. Definitely saved me a lot of time and headaches getting this part replaced. Highly recommend if you want a hassle-free fix for your transmission module.
Colin Chapman –
The plug-and-play setup was exactly as promised, and the free shipping made the whole process hassle-free. This TCM fit perfectly and works flawlessly in my Yukon.
Jacob Hill –
This TCM module was exactly what I needed, arrived quickly, and slipped right into my Yukon without any hassle. Fantastic product and service!
Super impressed with the plug-and-play setup—had my transmission controls back to normal in no time. Shipping was speedy too!
Installed this on my 2008 Yukon and it worked perfectly right out of the box. No complicated programming needed, very satisfied.
Great fit and flawless function, the module made my transmission run smoothly again. Delivery was fast, and support was responsive.
Exactly as described, this TCM module saved me a lot of headache with an easy, direct swap. Highly recommend for anyone with a 2008 Yukon!