Description
2007 Buick Terraza 3.9L TCM Transmission Control Module – Programmed Plug & Play
This Transmission Control Module (TCM / TCU) is a genuine OEM replacement for all 2007 Buick Terraza 3.9L 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
Logan Bell –
I was a bit nervous about replacing the transmission control module on my 2007 Buick Terraza, but this programmed unit made the process so much easier than I expected. It arrived quickly and fit perfectly without any tweaks. Once installed, my van shifted smoothly again and even seems more responsive than before. The whole experience felt seamless, and I appreciate how ready-to-go this module was right out of the box. Definitely worth it for anyone dealing with TCM issues.
Adam Watson –
The plug-and-play setup made installation a breeze, and the free shipping was a nice bonus. Quick service and flawless performance!
Samuel Bell –
I was really impressed with how easy the installation was on this 2007 Buick Terraza TCM. It came fully programmed and truly plug-and-play, so I didn’t have to worry about any complicated setup. The shipping was faster than I expected and didn’t cost a fortune, which was a nice bonus. I also appreciated the communication from the seller—they responded quickly when I had a question about compatibility. My transmission is shifting smoothly again, and I’m glad I found a reliable source for this part.
Diego Turner –
Installed the module in minutes with zero hassle—my Terraza runs smoother than ever now!
Fast shipping and perfect fit! The plug-and-play setup saved me tons of time and headaches.
This transmission control module was exactly what I needed; had it up and running without any issues.
Super easy to install and the car shifts like new again—highly recommend for anyone with a 2007 Terraza.
Great quality part that arrived quickly. My Buick’s transmission feels responsive and solid after the swap.
Adam Bell –
Installed this TCM module on my 2007 Buick Terraza, and it worked flawlessly right out of the box. The plug-and-play design made the replacement straightforward, saving me a lot of time and hassle. Shipping was surprisingly quick, and the unit showed no signs of issues after a couple of weeks on the road. Definitely a reliable upgrade if you need a transmission control module.
John Lawrence –
I recently bought the 2007 Buick Terraza 3.9L TCM Transmission Control Module, and I was really impressed with how easy the plug-and-play setup was. It arrived quickly with free shipping, which was a nice bonus, and installation took no time at all. The transmission issues I was having disappeared immediately after swapping out the module. What stood out was the seller’s clear communication—they kept me informed every step of the way, which made the whole process stress-free. Overall, a great purchase that got my van back on the road without any hassle.
Neil Keller –
I was really impressed with how easy the plug-and-play setup was for this 2007 Buick Terraza TCM. It arrived quickly with free shipping, which was a nice bonus. The module was programmed perfectly and my transmission shifted smoothly right away. The whole process saved me a lot of hassle compared to trying to fix it locally.