Description
2020 GMC Terrain 2.5L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2020 GMC Terrain 2.5L 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
Neil Green –
The ECM arrived quickly with free shipping and was perfectly programmed for my 2020 GMC Terrain—plug and play without any hassle. Communication was spot on, they answered all my questions right away.
Carlos Roberts –
The shipping was super fast and the unit was plug-and-play—saved me a ton over dealer prices. Installation was smooth and the service was top-notch.
Allan Collins –
I was a bit nervous ordering an ECM online for my 2020 GMC Terrain, but this company made the whole process so easy. The ECU came VIN programmed and ready to install, which saved me a ton of time and hassle at the shop. Shipping was surprisingly fast and free, which was a nice bonus. I also appreciated how quickly they responded to my questions when I reached out for clarification. After installation, my vehicle ran smoothly with no issues—definitely a high-quality part and service.
Elijah Rogers –
I purchased the 12700116 ECM for my 2020 GMC Terrain, and I’m very impressed with the whole process. The unit arrived quickly with free shipping, which was a nice bonus. The plug-and-play setup made installation straightforward, and the vehicle started right up without any issues. The communication from the seller was excellent—they kept me informed every step of the way.
Marcus Burton –
I was really impressed with the quick turnaround time on this ECM for my 2020 GMC Terrain. The unit arrived VIN programmed and ready to install, which made the whole process so much easier. Shipping was free and fast, which was a nice bonus. I had a couple of questions before ordering, and the customer service team responded promptly and clearly. Overall, the quality and service exceeded my expectations, and my truck runs like new again.