Description
2008 Chevrolet Impala 5.3L TCM Transmission Control Module – Programmed Plug & Play
This Transmission Control Module (TCM / TCU) is a genuine OEM replacement for all 2008 Chevrolet Impala 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
Hunter Lewis –
Installed this TCM module in my ’08 Impala with zero hassle—works perfectly, and it arrived quicker than expected. Highly recommend!
Plugged it in and it fired right up, no programming headaches at all. Great fit and fast delivery!
This transmission control module was exactly what I needed; straightforward installation and my Impala shifts like new again.
Very impressed with how seamless the setup was—no extra tools or trips to the shop required. Fast shipping too!
Perfect replacement for my Chevy’s TCM, arrived on time and worked flawlessly out of the box.
Carlos Hall –
This Transmission Control Module was exactly what my 2008 Chevy Impala needed. It arrived quickly and fit perfectly, making installation straightforward without any complicated programming on my end. Since swapping it in, my car shifts smoothly and runs better than it has in years. The support team was also helpful when I had a couple of questions before ordering.
Chase Perez –
Arrived fast with free shipping and was exactly as described—plug-and-play setup made installation a breeze. Communication was spot on, too!
Jordan Hill –
I had been having shifting issues with my 2008 Chevy Impala for weeks, so I decided to try this TCM Transmission Control Module. Installation was surprisingly straightforward—no complicated setups or extra programming on my end, which was a relief. Once installed, the transmission shifted smoothly and quietly, just like it did when the car was new. Shipping was quick too, and I was impressed by the clear instructions included. Overall, this part got my car running perfectly again without any hassle.
Replacing the transmission control module on my ’08 Impala seemed daunting at first, but this programmed plug-and-play unit made the job so much easier. It arrived promptly, and within an hour, I had everything swapped out and working flawlessly. The transmission’s performance improved drastically—no more hesitation or odd shifts. I particularly appreciated how this module came ready to use right out of the box, sparing me from the usual headaches of tuning or coding. Definitely recommend this to anyone needing a reliable replacement part.