Description
2012 Chevrolet Silverado 4.8L TCM Transmission Control Module – Programmed Plug & Play
This Transmission Control Module (TCM / TCU) is a genuine OEM replacement for all 2012 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
Contact Us
Email: info@fixecm.com
Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566



Andrew Gray –
I had been struggling with transmission issues on my 2012 Silverado, so I decided to order this TCM module. The plug-and-play setup made installation much less stressful than I expected, and it worked flawlessly right away. What impressed me most was how quickly they programmed the module before shipping—it saved me a ton of time and hassle. Shipping was surprisingly fast and affordable too, which was a nice bonus. Overall, this purchase really brought my truck back to life without any headaches. Highly recommend if you want a smooth and straightforward fix.
Adam James –
I was a bit nervous about replacing the TCM on my 2012 Silverado, but this module made the whole process surprisingly smooth. It came programmed and ready to go, so all I had to do was plug it in—no trips to the dealership or extra coding required. The shipping was quick, which was a relief since I needed my truck back on the road fast. After installation, the transmission shifted flawlessly and felt like new again. It definitely saved me a lot of time and hassle, and I’d recommend it to anyone facing similar issues.
Matthew Carter –
I was pretty nervous about replacing the TCM on my 2012 Silverado, but this module made the whole process surprisingly easy. It arrived quickly, and everything was already programmed, so I just plugged it in and got back on the road without any hiccups. The truck shifts so smoothly now, and I can tell the transmission is responding better than before. I really appreciated the clear instructions and the support team being ready to answer a couple of quick questions I had. Overall, such a relief to find a part that works exactly as promised. Definitely recommend for anyone dealing with transmission control issues.
Leo Harrison –
The plug-and-play setup made installation a breeze, and the free shipping was a nice bonus. Quick service and smooth communication throughout the process.
Joel Hill –
I was really impressed with how easy the installation was thanks to the plug-and-play programming on this 2012 Silverado TCM. The shipping was very reasonable and arrived quicker than I expected, which was a huge plus. Customer service was also great—they answered my questions promptly and kept me informed throughout the process. Overall, it’s been working flawlessly and saved me a lot of hassle.
Brandon Reed –
This transmission control module fit my 2012 Silverado perfectly and was ready to go right out of the box. Installation was straightforward with no programming needed, which saved me a ton of time and hassle. The truck shifted smoothly again immediately, and the quality feels just like the original. Shipping was quick too, so I was back on the road before I knew it.
Chase Little –
I recently purchased the 2012 Chevrolet Silverado 4.8L TCM Transmission Control Module from this seller, and I’m really impressed. The module arrived quickly with free shipping, which was a nice bonus. Installation was straightforward thanks to the plug-and-play setup they offer, so I didn’t need to worry about complicated programming. My truck shifts smoothly now, and the whole process was hassle-free. The seller also responded promptly when I had a couple of questions before buying, which gave me extra confidence in the purchase.
Mason Peterson –
This transmission module fit perfectly and installation was a breeze—my Silverado shifts like new again! Super fast delivery and great support made the process smooth.