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
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
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.