Description
2008 Chevrolet Express 5.3L TCM Transmission Control Module – Programmed Plug & Play
This Transmission Control Module (TCM / TCU) is a genuine OEM replacement for all 2008 Chevrolet Express 5.3L 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



Jack Lewis –
I was a bit nervous about ordering this transmission control module for my 2008 Chevy Express, but it arrived quickly and was exactly as described. Installation was straightforward since it was truly plug-and-play, and my van shifted smoothly right away with no issues. The unit seems very reliable, and I appreciate the clear instructions provided. Overall, a great purchase that saved me a lot of hassle and downtime.
Brian Green –
I was really impressed with how straightforward the installation of this TCM module was on my 2008 Chevy Express. It fit perfectly and came already programmed, which saved me a ton of time and hassle. The shipping was surprisingly quick too, arriving well ahead of schedule. Once installed, my transmission shifted smoothly and without any glitches, just like new. I also appreciated the helpful customer support who answered my questions promptly. Definitely a solid purchase for anyone needing a reliable replacement.
Chris Clark –
I was a bit nervous about replacing the TCM on my 2008 Chevy Express, but this module made the whole process much easier than I expected. It arrived quickly and was clearly pre-programmed, so once I plugged it in, it worked immediately without any extra setup. My transmission had been shifting roughly, but now it feels smooth and responsive again, just like new. The instructions were straightforward, and I appreciated the tech support answering a couple of questions I had. Overall, a great buy that saved me a lot of hassle!
Connor Nelson –
Installed this TCM module in my ’08 Chevy Express and it worked flawlessly right out of the box—super quick delivery too! Absolutely hassle-free swap with no coding needed.
Mark Young –
I was really impressed with how easy the plug-and-play setup was for this TCM. It arrived quickly, and the shipping cost was very reasonable, which was a nice bonus. The transmission on my 2008 Chevy Express shifted smoothly right after installation, and I didn’t have to deal with any complicated programming. Overall, a hassle-free experience that got my van running perfectly again.
Jose Rogers –
The plug-and-play setup was flawless, and the free shipping made the whole process super easy. I’m impressed with how fast everything arrived and worked perfectly.