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
Travis Lewis –
I was really impressed with how smoothly the whole process went. The ECM arrived quickly, and it was already VIN programmed, so it was a true plug-and-play experience—no extra hassle on my part. The shipping was surprisingly affordable, which was a nice bonus considering how specialized this part is. When I had a couple of questions, their team responded promptly and clearly, making me feel confident in my purchase. My 2004 Infiniti QX56 runs perfectly now, and I couldn’t be happier with the quality and service.
James Rivera –
The ECM arrived quickly with VIN programming done perfectly—plug-and-play made it hassle-free. Shipping was super affordable too!
Grant Carter –
I purchased the 23710-7S875 ECM for my 2004 Infiniti QX56, and the entire process was smooth from start to finish. The unit arrived quickly with free shipping, which was a pleasant surprise. What really stood out was how well programmed the ECU was for my VIN, making installation completely hassle-free. Their team also responded promptly to my questions, which gave me extra confidence in the product.