Description
2012 Chevrolet Express 4.3L TCM Transmission Control Module – Programmed Plug & Play
This Transmission Control Module (TCM / TCU) is a genuine OEM replacement for all 2012 Chevrolet Express 4.3L 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
Henry Hill –
I ordered the 2012 Chevrolet Express 4.3L TCM Transmission Control Module and was impressed by how quickly it arrived with free shipping. The plug-and-play setup made the installation straightforward, saving me a lot of time and hassle. The module worked perfectly right out of the box, and my transmission shifted smoothly again. I also appreciated the follow-up emails updating me on the shipping status. Overall, this was a great experience, and I would definitely buy from this seller again.
Mark Turner –
I was a bit nervous about replacing the transmission control module myself, but this 2012 Chevrolet Express TCM made the whole process smooth and hassle-free. It arrived quicker than I expected, and everything was perfectly programmed, so I just plugged it in and went on my way. The truck shifted so much better right after installation, and I didn’t have to mess with any complicated setup. I really appreciated the clear instructions and the quality of the part—it feels like new again. This was definitely a smart purchase!
Owen Hall –
I was really impressed with how quickly this transmission control module arrived, and installing it was surprisingly simple. It fit perfectly in my 2012 Chevy Express 4.3L, and I didn’t need to mess around with any complicated programming—it was literally plug and play. After swapping it in, the shifting became smooth again, and the transmission feels like new. I also reached out to their support team with a quick question, and they were super helpful and friendly. Definitely a great purchase that got my van back on the road without any hassle.
Henry Willis –
The plug-and-play setup was flawless, and their quick responses made the whole process stress-free. Shipping was fast and really affordable too.
Jason Russell –
The 2012 Chevrolet Express 4.3L TCM arrived exactly as described and was already programmed, making installation a breeze. I appreciated the plug-and-play setup which saved me a ton of time and hassle. Shipping was surprisingly quick and affordable, and the whole process went smoothly from start to finish. Communication was clear when I had questions, which gave me confidence in the purchase.
Henry Scott –
Installed this TCM module in minutes with zero hassle, and my Express drives like new again. Super fast delivery and flawless performance!
Steven Cooper –
This Transmission Control Module was exactly what my 2012 Chevrolet Express needed. Installation was straightforward, and it truly was a plug-and-play replacement with no programming required on my end. I appreciated the quick shipping and the helpful customer service who answered all my questions promptly. Since swapping it out, my van shifts smoothly again and runs like new.
Keith Burton –
I was having trouble with the transmission on my 2012 Chevrolet Express, so I decided to give this TCM a try. The best part was that it came fully programmed and ready to plug and play, which saved me a ton of time and hassle. The shipping was surprisingly fast and reasonably priced, arriving sooner than I expected. After installation, my van shifted smoothly again like new. I really appreciate how straightforward the whole process was, especially since I’m not super tech-savvy.