Description
2008 Chevrolet Trailblazer 4.2L TCM Transmission Control Module – Programmed Plug & Play
This Transmission Control Module (TCM / TCU) is a genuine OEM replacement for all 2008 Chevrolet Trailblazer 4.2L 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
Tyler Collins –
This TCM module arrived quickly and installed without a hitch—my Trailblazer shifts perfectly now. Highly recommend for anyone needing a reliable fix!
Super easy to install with no programming headaches, and my Chevy’s transmission feels like new again. Fast shipping was a nice bonus!
Dylan Nichols –
I was really impressed with how smoothly the whole process went. The 2008 Chevrolet Trailblazer TCM arrived quickly, and the fact that it was already programmed and ready to plug-and-play saved me a ton of time and hassle. I had a few questions before ordering, and their team responded promptly with clear answers, which gave me confidence in their service. Once installed, my transmission shifted perfectly, just like new. Definitely a reliable option if you need a replacement module without the usual headaches.
Miguel Cox –
The plug-and-play setup was flawless, and the free shipping made the whole process super easy and affordable. Would definitely buy from them again!
Scott Brooks –
I was really impressed with how smoothly the plug-and-play setup worked for this 2008 Trailblazer TCM. The programming was done professionally, so installation was straightforward and I didn’t have to visit a mechanic. Shipping was also very reasonable and it arrived quicker than I expected. Overall, a great experience and my transmission is running perfectly now.