Description
2012 Hyundai Genesis 3.8L AT gas ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2012 Hyundai Genesis 3.8L 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 may require key programming after installation. This is normal.
For a 100% plug-and-play solution with no relearns, your original ECU must be sent in for cloning. We transfer all security data to the replacement unit.
👉Add the cloning service as a bundle at checkout — $300 CAD / $215 USD
A prepaid shipping label will be emailed to you.
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



Oliver Gray –
The 2012 Hyundai Genesis ECM arrived quickly and was exactly as described. Installation was straightforward with no hiccups, thanks to the VIN programming being spot on. The engine runs smoothly now, and I’m impressed with how seamless the swap was. Definitely a reliable fix if you need a replacement ECU.
Andrew Green –
I was a bit nervous about replacing the ECU on my 2012 Hyundai Genesis, but this unit made the whole process surprisingly stress-free. It arrived quickly and was already programmed to my VIN, so I just plugged it right in without any hiccups. The car started up perfectly, and everything runs smoothly now—no more engine warning lights or performance issues. I really appreciated the clear instructions that came with it, and shipping was faster than I expected. Definitely recommend this for anyone needing a reliable replacement without the usual hassle.
Caleb Richardson –
I was really impressed with how easy this ECM/ECU was to install in my 2012 Hyundai Genesis. Since it came VIN programmed, I just plugged it in and everything fired up perfectly without any extra fuss. It saved me a ton of hassle compared to trying to get my old unit repaired or waiting for a dealership appointment. Shipping was surprisingly quick, which helped me get my car back on the road right away. Overall, a seamless experience that made me feel confident I bought the right part for my car.
Chase Rogers –
The plug-and-play setup was flawless, and the free shipping made the whole process hassle-free.
Great communication throughout and the ECU arrived quickly, ready to install with no issues.
Fast turnaround and professional VIN programming—had my Genesis running perfectly in no time.
They answered all my questions promptly, and the plug-and-play ECM worked exactly as promised.
Super reasonable shipping costs and the repair quality exceeded my expectations.
Ethan Nelson –
Swapped out my old ECU with this one in minutes—worked flawlessly right from the start. Shipping was quick and installation couldn’t have been easier!
John Murray –
I was impressed with how easy the plug-and-play setup was for this 2012 Hyundai Genesis ECM. It arrived quickly with free shipping, which was a nice bonus. The programming was spot on, and I didn’t have to spend extra time or money getting it configured. Overall, the whole process was smooth, and the engine runs perfectly now.