Description
2023 Hyundai Sonata 2.5L AT gas ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2023 Hyundai Sonata 2.5L AT gas models. Each unit is VIN-programmed, updated, and fully tested for a true plug-and-play installation with our cloning service. Built to OEM standards for reliability, calibration accuracy, and long-term performance.
Strict Testing & Quality Assurance
Every ECU is inspected, refreshed, and verified through advanced diagnostic tools. Testing includes:
Complete communication & CAN-bus verification
Sensor input/output and signal integrity checks
Injector & ignition pulse simulation
Power, ground, and load-circuit analysis
Flash memory integrity and checksum validation
Thermal and voltage-stress testing to confirm reliability
Important Note
Some vehicles with IMMO or PATS require key programming after installation. This is normal.
For a 100% plug-and-play solution, we recommend using our full cloning service. We transfer all security data to the replacement unit.
A prepaid shipping label will be emailed to you. Allow you to mail in your original computer to us for full cloning.
If cloning is not selected, the ECU will be VIN programmed, and a key relearn will be required after installation.
Contact Us
Email: info@fixecm.com Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566



Kevin Richardson –
I was really impressed with how quickly the ECM arrived after placing my order—it definitely beat the dealer’s wait times. When I got it, the unit was exactly as described and completely plug-and-play, which made the installation a breeze even for someone like me who isn’t a professional mechanic. The VIN programming was already done, so I didn’t have to worry about any extra steps. Choosing this option saved me a significant amount of money compared to the dealer’s price, and the support team was very helpful throughout the process. Overall, it was a smooth experience from start to finish.
David Allen –
I was really impressed with how quickly the 2023 Hyundai Sonata 2.5L AT ECM arrived—shipping was faster than I expected. The unit was truly plug-and-play, making the installation process smooth and hassle-free. The VIN programming was spot on, and the whole experience saved me a significant amount compared to dealer prices. Their customer service was responsive and professional, which made everything even easier.
Dean Chapman –
I purchased the 2023 Hyundai Sonata 2.5L AT gas ECM from this seller, and the whole process was smooth and straightforward. They offered free shipping, which was a nice bonus, and the ECU arrived quickly without any issues. The unit was already VIN programmed as promised, so installation was a breeze with no extra work required on my part. Overall, the quality feels solid, and the car runs perfectly now.
Dylan Cooper –
The ECU arrived quickly with free shipping, and the plug-and-play programming made installation a breeze. Excellent service all around!
Allan Bell –
Fast shipping and the plug-and-play ECM worked perfectly in my 2023 Sonata. Saved a ton compared to dealer prices and the whole process was hassle-free.