Description
2008 Chevrolet Impala 3.5L TCM Transmission Control Module – Programmed Plug & Play
This Transmission Control Module (TCM / TCU) is a genuine OEM replacement for all 2008 Chevrolet Impala 3.5L 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
Brandon Johnson –
Arrived quickly and worked flawlessly right out of the box—saved me a ton on repairs! Highly recommend for any 2008 Impala owner.
Super easy installation with this module; my transmission issues vanished instantly. Great quality and very reliable.
Plugged it in, no fuss at all, and my Impala shifted like new again. Fast shipping was just the cherry on top!
This TCM module was exactly what I needed—came programmed and ready, making my repair a breeze. Definitely worth every penny!
Impressed by how smoothly this part integrated with my car’s system. The support team answered all my questions promptly too.
Jonah Ramirez –
The plug-and-play setup made installation a breeze, and the free shipping was a nice bonus. Very happy with the quick turnaround!
Owen Roberts –
I was really impressed with how easy this TCM module was to install on my 2008 Impala. It came pre-programmed, so I just plugged it in and everything worked perfectly without any extra steps. My car was having some shifting issues before, but now it runs smooth and shifts exactly as it should. Shipping was quick too, which was a nice bonus since I needed it resolved fast. Definitely recommend this for anyone needing a reliable transmission control module replacement without the hassle.
Isaac Carter –
I installed this transmission control module on my 2008 Chevy Impala and it worked perfectly right out of the box. The programming was spot-on, and it fit seamlessly without any glitches. Shipping was quick, and the unit feels very durable. Overall, this made a tricky repair simple and painless.