Description
2004 Infiniti QX56 5.6L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2004 Infiniti QX56 5.6L 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
Adam Mitchell –
Great service with quick VIN programming and the plug-and-play setup had my QX56 running smoothly in no time. The free shipping was a nice bonus!
Samuel Murray –
I was really impressed with the programming service that came with this ECM for my 2004 Infiniti QX56. The unit arrived VIN programmed and ready to install, which saved me a lot of time and hassle. Shipping was free and arrived sooner than expected, and their customer support answered all my questions promptly. Overall, a smooth and professional experience from start to finish.