Description
2021 Hyundai Veloster 1.6L AT gas ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2021 Hyundai Veloster 1.6L 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



Luis Allen –
ECU arrived quickly with free shipping and was ready to install right away—saved me a ton of hassle!
Logan Page –
I was a bit nervous about ordering a programmed ECM for my 2021 Hyundai Veloster, but the team made the whole process smooth. They handled the VIN programming for me, so it was truly plug-and-play once the part arrived. Shipping was surprisingly fast and didn’t cost an arm and a leg, which was a nice bonus. Whenever I had questions, their communication was spot on—they kept me updated every step of the way. The replacement part fits perfectly and my car runs like new again.
Isaac Nichols –
I purchased the 2021 Hyundai Veloster 1.6L AT ECM and was really impressed with how smoothly everything went. The unit arrived quickly with free shipping, which was a nice bonus. They also provided professional VIN programming, so it was truly plug-and-play once installed. Customer support was responsive and answered all my questions promptly, making the whole process hassle-free.
Henry Baker –
I was really impressed with how quickly the 2021 Hyundai Veloster ECM arrived after placing my order. The unit was fully programed to my VIN and worked right out of the box, making installation straightforward and hassle-free. Opting for this service saved me a significant amount compared to dealer pricing, and the communication throughout the process was clear and professional. Overall, a great experience that I would recommend to anyone needing a replacement ECU.
Jacob Hudson –
I ordered the 2021 Hyundai Veloster 1.6L AT gas ECM from this seller and was very impressed with the whole experience. The unit arrived quickly with free shipping, which was a pleasant surprise. What really stood out was how professional the programming service was—they had it VIN programmed perfectly before shipping, so installation was completely plug-and-play. The quality of the ECM feels top-notch, and my car runs smoother than ever. If you need a reliable ECU, I highly recommend this seller.
Jorge Kelly –
Shipping was super fast and the plug-and-play ECU worked perfectly right out of the box. This saved me a ton compared to dealer prices—highly recommend their professional and smooth service.