Description
2008 Chevrolet Silverado 4.8L TCM Transmission Control Module – Programmed Plug & Play
This Transmission Control Module (TCM / TCU) is a genuine OEM replacement for all 2008 Chevrolet Silverado 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
Daniel Cooper –
I was pretty worried about replacing the transmission control module on my 2008 Silverado, but this programmed plug-and-play module made the whole process way easier than I expected. It fit perfectly right out of the box with no complicated programming needed, which saved me a ton of time. The truck shifted smoothly as soon as I installed it, and I haven’t had any issues since. Shipping was quicker than I anticipated, and I really appreciated the helpful tech support when I had a couple of questions before buying. Definitely recommend this to anyone looking for a hassle-free replacement part!
David Adams –
The plug-and-play setup made installation a breeze, and the free shipping was a nice bonus. Great service all around!
Jack Phillips –
The 2008 Silverado 4.8L TCM module arrived quickly and was ready to install right out of the box. I appreciated that it came pre-programmed, which saved me a ton of time and hassle. After swapping it in, my transmission shifted smoothly and the previous error codes disappeared. Overall, a solid product that worked exactly as promised.
Installing this transmission control module on my 2008 Silverado was surprisingly straightforward thanks to the true plug-and-play design. Shipping was prompt, and the unit fit perfectly without any compatibility issues. Since putting it in, the truck’s shifting has been flawless, with no glitches or warning lights. This was exactly what I needed to get my truck back in top shape.
I was initially worried about replacing the TCM on my 2008 Silverado, but this programmed module made the process effortless. The fit and connector alignment were perfect, and there was no need to flash or reprogram anything after installation. Once installed, my transmission operated like
Jason Bell –
I was struggling with some serious transmission issues on my 2008 Silverado, and after a bit of research, I decided to give this TCM module a try. Honestly, it was the easiest fix I’ve had in a long time—came pre-programmed and was basically plug and play. The shipping was impressively quick, and I had my truck back on the road within the same day. It’s running smoother than it has in years, and I’m really relieved I found this part. Definitely worth every penny if you need a reliable replacement without the hassle.
John Taylor –
This TCM was exactly what I needed for my 2008 Silverado—super easy to install and my truck runs perfectly now. Shipping was quick, too!
Andrew Ramirez –
I was impressed with how straightforward the plug-and-play setup was for this TCM. It arrived quickly and with free shipping, which was a nice bonus. The transmission in my 2008 Silverado shifted smoothly right after installation, and the whole process saved me a lot of hassle. Customer support was also quick to answer a few questions I had before ordering.
Cameron Brooks –
I was really impressed with how quickly this 2008 Silverado TCM arrived, and the free shipping was a nice bonus. Installing it was straightforward since it came already programmed, which saved me a ton of hassle. My truck shifts smoothly now, and it honestly feels like a brand-new transmission. I had a few questions before ordering, and their customer service was very responsive and helpful. Overall, a great experience from purchase to installation.
Liam Peterson –
I was really impressed with how smoothly the whole process went. The 2008 Silverado’s TCM arrived quickly with free shipping, which was a nice bonus. What stood out most was that it came fully programmed and ready to plug right in – saved me a ton of hassle. I reached out with a couple of questions before ordering, and their team responded quickly and clearly. After installing it, my transmission shifted perfectly, and I’m very happy with the quality of this product.