Description
2021 Hyundai Sonata 2.5L AT gas ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2021 Hyundai Sonata 2.5L AT gas 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.
https://fixecm.com/product/ecm-ecu-pcm-programming-cloning-service/
Contact Us
Email: info@fixecm.com Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566
Matthew Sharp –
I recently purchased the 2021 Hyundai Sonata 2.5L AT gas ECM from this seller, and I’m really impressed. The ECU came VIN programmed, which made installation completely hassle-free—just plug and play. What stood out the most was their fast shipping; I received the part in just a couple of days without any extra cost. The quality of the unit feels top-notch, and my car runs smoothly now. They also kept me informed throughout the process, answering all my questions promptly. Highly recommend if you want a reliable and professional service.
Cole James –
The plug-and-play setup made installation super easy, and their communication was spot-on throughout the process. Shipping was also surprisingly quick and affordable.
Leo Hayes –
I had a blown ECM on my 2021 Hyundai Sonata 2.5L, and I was worried about the cost at the dealership. Thankfully, this VIN programmed unit arrived quickly, and the shipping was much faster than I expected. The installation was straightforward—just plug and play—and it got my car back on the road in no time. The communication from the seller was clear, which made the whole process a lot less stressful. Overall, this service saved me hundreds of dollars and worked perfectly from day one.
Nathan Poole –
Shipping was super fast, and the unit was plug-and-play—saved me a bundle versus the dealer. Installation went smoothly thanks to their clear communication.
Bruce Murphy –
I was really impressed with how quickly this ECM arrived—shipping was faster than I expected. Installation was straightforward since the unit was fully programmed and plug-and-play, which saved me a ton of hassle. The service was professional and communicative throughout the process, and in the end, I saved a significant amount compared to the dealer’s quote. Highly recommend for anyone looking to replace their ECU without the dealer price tag.
Mason Bell –
I purchased the 2021 Hyundai Sonata 2.5L AT gas ECM, and I’m very pleased with how smoothly everything went. The unit arrived quickly with free shipping, which was a nice bonus. It was already VIN programmed, so installation was straightforward and hassle-free. Communication was great too—they answered all my questions promptly, making the whole experience stress-free.