Description
2004 Nissan Altima 2.5L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2004 Nissan Altima 2.5L models.
Each unit is VIN-programmed, updated, and fully tested.Built to OEM standards for reliability, calibration accuracy, and long-term performance.
Strict Testing & Quality Assurance
This is not a brand-new unit. It is a rebuilt unit that is inspected, refreshed, and fully tested before shipping.
Testing includes communication, CAN-bus, sensor signal, power circuit, flash memory, and reliability checks.
Important Note
If your vehicle does not have an IMMO or PATS system, this unit will be directly plug&play.
If your vehicle has an IMMO or PATS system, it will require a key relearn after installation. You can visit your local locksmith for help.
We also offer a full cloning service. We transfer all security data to the replacement unit, so it will be a plug&play installation.
For all European cars, Hyundai, and Kia vehicles, we recommend adding our cloning service as a bundle.
For American and Japanese cars, we recommend doing a key relearn on-site.
Contact Us
Email: info@fixecm.com
Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566




Michael Lawrence –
I ordered the 23710-9J320 ECM for my 2004 Nissan Altima, and I’m very impressed with the quality and fit. The unit came VIN programmed, which made installation straightforward and hassle-free. Shipping was quick and free, which was a nice bonus. They also kept me informed every step of the way, answering my questions promptly and professionally.
Benjamin King –
The unit arrived quickly and was truly plug-and-play; installing it saved me a bundle instead of dealer prices. Communication was excellent and the whole process was seamless.
Luis Brown –
Received my 2004 Altima ECM perfectly programmed and ready to install, plus free shipping made it even better. Communication was spot on and I had it back on the road in no time.
Diego Murphy –
After my 2004 Altima’s ECM failed, I was worried about the hassle of finding a replacement and getting it programmed. This unit arrived quickly with free shipping, which was a nice bonus. The best part was that it came VIN programmed and ready to install—no extra trips to a mechanic for programming. Installation was straightforward, and my car is running smoothly again without any issues. I really appreciated how they kept me informed throughout the process, answering my questions promptly. Overall, a smooth experience and a great product.