Description
2021 Hyundai Santa Fe 1.6L AT gas ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2021 Hyundai Santa Fe 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
Leo Bell –
I purchased the 2021 Hyundai Santa Fe 1.6L AT gas ECM, and the entire process was smooth from start to finish. The unit arrived quickly with free shipping, which was a nice bonus. The ECU was VIN programmed perfectly, and I didn’t have to worry about any complicated setup. Customer service was very responsive and answered my questions promptly, making this a hassle-free experience.
Austin Lopez –
I ordered the 2021 Hyundai Santa Fe 1.6L AT ECU and was really impressed by how smooth the entire process went. The unit arrived quickly with free shipping, which was a nice bonus. What stood out the most was the professional programming service they provided—my car was up and running without a hitch right after installation. The team also kept me in the loop throughout, promptly answering my questions whenever I had concerns. Overall, a hassle-free experience with a quality product that works perfectly.
Steven Webb –
I had been struggling to find a reliable ECM for my 2021 Hyundai Santa Fe 1.6L, and this ECU fit perfectly once delivered. The best part was how quickly they shipped it—free shipping made the whole process even better. Installation was a breeze thanks to their plug-and-play setup, which saved me a lot of hassle. The engine has been running smoothly since the swap, and I couldn’t be happier with the quality. Throughout the entire process, the seller kept me informed every step of the way, which really gave me confidence in the purchase. Highly recommend if you need a hassle-free replacement!
Paul Payne –
Great quality ECM for my 2021 Santa Fe and the VIN programming was spot on. Shipping was super fast and affordable too!
Colin Mitchell –
I was really impressed with how quickly this ECM arrived, well within the time frame promised. The unit was fully VIN programmed and totally plug-and-play, which made installation straightforward without needing any extra programming tools. Choosing this option saved me a significant amount compared to dealer prices. The seller’s communication was clear throughout, making the entire process smooth and stress-free.
Harrison Tucker –
Shipping was super quick and the ECU was truly plug-and-play. Saved me a bundle compared to the dealer, and the installation went without a hitch.