Description
2007 Buick Terraza 3.9L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2007 Buick Terraza 3.9L models.
Each unit is VIN-programmed, updated, and fully tested.Built to OEM standards for reliability, calibration accuracy, and long-term performance.
Strict Testing & Quality Assurance
This is not a brand-new unit. It is a rebuilt unit that is inspected, refreshed, and fully tested before shipping.
Testing includes communication, CAN-bus, sensor signal, power circuit, flash memory, and reliability checks.
Important Note
If your vehicle does not have an IMMO or PATS system, this unit will be directly plug&play.
If your vehicle has an IMMO or PATS system, it will require a key relearn after installation. You can visit your local locksmith for help.
We also offer a full cloning service. We transfer all security data to the replacement unit, so it will be a plug&play installation.
For all European cars, Hyundai, and Kia vehicles, we recommend adding our cloning service as a bundle.
For American and Japanese cars, we recommend doing a key relearn on-site.
Contact Us
Email: info@fixecm.com
Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566



Zachary Adams –
I was really impressed with how smoothly the entire process went. The ECM arrived quicker than I expected, and the fact that it was already VIN programmed saved me so much time and hassle. Shipping was reasonable, and I appreciated the updates I received throughout the process, which kept me confident that everything was on track. After installing the unit in my 2007 Buick Terraza, the engine runs flawlessly, and all the systems are communicating perfectly. This was a great find for anyone needing a reliable replacement ECM.
Mark Morris –
I was a bit nervous ordering an ECM online, but this 2007 Buick Terraza 3.9L ECM arrived much faster than I expected, and the free shipping was a nice bonus. The best part was how it came VIN programmed and ready to go — I just plugged it in and everything fired up perfectly. The communication from the seller was impressive; they kept me in the loop at every step and answered all my questions promptly. After installation, my van runs smoother than before, and I couldn’t be happier with the quality of this unit. Definitely a hassle-free experience from start to finish.
Max Lewis –
Super fast shipping and the unit was completely plug-and-play. Saved me a ton compared to dealer prices and the install went off without a hitch.
Mason Morgan –
I was impressed with the quick turnaround and the quality of the ECM for my 2007 Buick Terraza. The VIN programmed module fit perfectly and worked immediately after installation. The team kept me informed throughout the process and answered all my questions promptly, which made me feel confident in my purchase. Shipping was also very affordable, so the whole experience was hassle-free.
Justin Kelly –
The VIN programmed ECM arrived quickly with free shipping and worked perfectly in my 2007 Terraza—super smooth experience from start to finish.
Matthew Poole –
I was really impressed with how quickly this ECM arrived after ordering. It was completely plug-and-play, making the installation straightforward without any hassle. The VIN programming was spot on, and the whole process saved me a ton of money compared to dealership repairs. Their customer support was responsive and helpful, which made the experience even better.