Description
2021 Hyundai Santa Fe 2.5L AT gas ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2021 Hyundai Santa Fe 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
Steven Hall –
Fast shipping and a perfect plug-and-play fit—this ECM saved me a bundle versus dealer prices. Installation was hassle-free and the support team was super helpful.
James Parker –
The ECU arrived quickly with free shipping and was perfectly programmed for my 2021 Santa Fe—installation was a breeze.
Great communication throughout the process and the ECU was ready to plug and play right out of the box.
Fast turnaround and the updated ECM worked flawlessly in my Hyundai; they answered all my questions promptly.
Spencer Brown –
I purchased the 2021 Hyundai Santa Fe 2.5L AT gas ECM and was impressed by how smoothly the VIN programming process went. The unit arrived quickly with free shipping, which was a nice bonus. Their team provided clear instructions, and the ECU was truly plug-and-play—no additional tuning needed. Overall, a reliable product and hassle-free experience.
Nicholas Webb –
I ordered the 2021 Hyundai Santa Fe 2.5L AT gas ECM and was really impressed with how smoothly everything went. The unit arrived faster than I expected, and the shipping cost was very reasonable, which was a pleasant surprise. What stood out most was their professional programming service—the ECU came VIN programmed and ready to install, so I didn’t have to worry about any complicated setup. The car fired right up with no issues, and performance has been flawless since. I also appreciated how the team kept me in the loop with updates throughout the process, making the whole experience stress-free.