Description
2004 Infiniti M45 4.5L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2004 Infiniti M45 4.5L 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
Henry Perez –
I was a bit nervous ordering an ECU online, but this 2004 Infiniti M45 ECM arrived quickly and was exactly as described. The VIN programming was done professionally, so it was basically plug-and-play once installed. I also appreciated the clear communication from the seller—they kept me updated throughout the process and answered all my questions promptly. The shipping was free, which was a nice bonus, and the whole experience made what could have been a stressful repair really smooth. My car runs perfectly now, and I’d definitely recommend this service to anyone in need of a reliable ECM.
Henry Rogers –
I needed a replacement ECM for my 2004 Infiniti M45, and this product was exactly what I was looking for. The VIN programming was spot on, so installation was straightforward with no extra hassle. What really impressed me was the super fast shipping—they had it to me in just a couple of days, which saved me a lot of downtime. The quality of the unit feels solid and reliable, and my car runs smoothly now without any check engine lights. Overall, a great experience from purchase to installation.
Jason Little –
The 2004 Infiniti M45 ECM arrived exactly as described and was already VIN programmed, which saved me a lot of time and hassle. The free shipping was a nice bonus, and the package came well-protected. I was also impressed with how quickly the seller responded to my questions about installation. Overall, it was a smooth, professional experience and my car runs perfectly now.
Mason Willis –
The ECU arrived quickly with free shipping and was perfectly programmed for my 2004 Infiniti M45—installation was a breeze.