Description
2012 Chevrolet Express 5.3L TCM Transmission Control Module – Programmed Plug & Play
This Transmission Control Module (TCM / TCU) is a genuine OEM replacement for all 2012 Chevrolet Express 5.3L 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
Daniel Moore –
I was really impressed with how easy the installation was on this 2012 Chevrolet Express 5.3L TCM Transmission Control Module. The plug-and-play setup meant I didn’t have to mess around with complicated programming or take it to a shop, which saved me a lot of time and hassle. Shipping was super quick and cost me almost nothing, which was a nice bonus. The part arrived exactly as described and fit perfectly, and my transmission shifted smoothly right away. Overall, a great experience from ordering to installation.
Elliot Young –
Arrived fast with free shipping and was ready to install right out of the box—saved me so much time.
Luis Wilson –
Installed this TCM module in my 2012 Chevy Express without any hassle—worked perfectly right out of the box. Super fast shipping too!
Shane Peterson –
I purchased the 2012 Chevrolet Express 5.3L TCM Transmission Control Module and was impressed by the plug-and-play setup—installation was straightforward and hassle-free. The shipping was very reasonable, which was a nice bonus. Their team also kept me informed throughout the process, answering all my questions promptly. Overall, the quality of the module is excellent and my transmission is running smoothly again.