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
Carlos Carter –
I was a bit nervous about ordering an ECM online for my 2004 Infiniti QX56, but this unit arrived exactly as described and was already VIN programmed, which saved me a ton of hassle. The plug-and-play setup made the installation straightforward, and my truck started up without any issues right away. What impressed me the most was how quickly the team responded to my questions before I ordered—very professional and reassuring. Shipping was free and surprisingly fast, arriving well before I expected. Overall, a great experience that brought my vehicle back to life without any stress.
Chris Nichols –
Fast shipping and the plug-and-play setup made installing this ECM in my 2004 QX56 a breeze. Great quality and super reliable!
Andrew Campbell –
I recently purchased the 23710-7S880 ECM for my 2004 Infiniti QX56 and was really impressed by how seamless the whole process was. The unit arrived quickly, and it came VIN programmed, so installation was literally plug-and-play with no extra hassle. The seller kept me informed throughout the order and shipping, which gave me a lot of confidence. Overall, the quality of the module is excellent and my vehicle runs perfectly now.