Description
2012 Chevrolet Silverado 4.3L TCM Transmission Control Module – Programmed Plug & Play
This Transmission Control Module (TCM / TCU) is a genuine OEM replacement for all 2012 Chevrolet Silverado 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
Jonah Adams –
The 2012 Chevrolet Silverado 4.3L TCM arrived quickly with free shipping, which was a nice bonus. The plug-and-play setup made installation straightforward, and it worked perfectly right away. I appreciated how the seller kept me informed about my order status throughout the process. Overall, a smooth experience and a reliable product.
Dylan Richardson –
Perfect fit for my 2012 Silverado and was ready to go right out of the box—installed in minutes with zero hassle. Shipping was quicker than expected too!
James Sanders –
I was a bit nervous about replacing the TCM on my 2012 Silverado, but this Plug & Play module made the process smooth and hassle-free. The unit arrived quickly with free shipping, which was a nice bonus. Installation was straightforward since it came pre-programmed for my truck, saving me a lot of time and trips to the shop. Their customer support was also impressive—they answered all my questions promptly and kept me informed throughout the order process. Overall, a great experience and my transmission is shifting perfectly now. Highly recommend!
Kevin Young –
I was a bit nervous about replacing the transmission control module myself, but this 2012 Chevrolet Silverado 4.3L TCM made the process so straightforward. It came already programmed, so I didn’t have to do any complicated setup. Installation was literally plug and play, and I was back on the road in less than an hour. The truck is running smoother than ever, and I’m really impressed with how quickly it arrived after ordering. Definitely a hassle-free fix that saved me a lot of time and money.
When my Silverado started acting up, I suspected the TCM, and this replacement part was exactly what I needed. The module arrived promptly and was ready to go right out of the box—no extra programming required, which was a relief. I followed the simple instructions, plugged it in, and the transmission shifted perfectly afterward. The difference is night and day compared to before, and I appreciated the friendly support team who answered my few questions quickly. This product gave my truck
Leo Russell –
Super fast shipping and the plug-and-play setup made installation a breeze on my Silverado. Great quality and exactly what I needed.
They provided professional programming service, and the TCM fit perfectly right out of the box. Communication was clear and quick throughout the whole process.
Arrived quicker than expected with free shipping, and the transmission control module worked flawlessly once installed. Highly recommend!
Oliver Smith –
This transmission control module was exactly what my 2012 Silverado needed. Installation was straightforward, and it really was a true plug-and-play setup—no headaches or extra programming required. The part arrived quickly and in perfect condition, and since swapping it out, my truck shifts smoother than ever. Definitely a solid purchase that restored my vehicle’s performance.
Tyler Rivera –
I was a bit nervous about buying a transmission control module online, but this 2012 Silverado TCM exceeded my expectations. It arrived quickly, and the install was surprisingly straightforward—just plugged right in without any headaches. After installing it, my truck shifted smoothly and felt like new again. I also reached out to their tech support with a couple of questions, and they were really knowledgeable and helpful. Overall, it gave my Silverado the boost it needed without breaking the bank or taking up a lot of my time. Definitely a smart buy for anyone dealing with TCM issues.