Description
2004 Nissan Altima 3.5L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2004 Nissan Altima 3.5L 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
Jeremy Little –
I was really impressed with how smoothly everything went. The ECU came VIN programmed and was literally plug-and-play, making installation straightforward with no extra hassle. Shipping was surprisingly quick and reasonably priced, which is always a plus. They also kept me updated throughout the process, so I always knew what to expect.
Mason Brown –
Fast shipping and the unit was truly plug-and-play. Saved me a ton compared to dealer prices and everything works flawlessly.
Frank Lewis –
I was really impressed with how quickly the ECM arrived after placing my order. The unit came fully programmed for my 2004 Nissan Altima 3.5L and was completely plug-and-play, which made installation hassle-free. The customer service was responsive and professional, answering all my questions promptly. Choosing this service saved me a significant amount compared to dealer prices, and everything has been running perfectly since the swap.
Brandon Cook –
Excellent service with quick responses and a perfectly programmed ECU ready to install. Shipping was fast and hassle-free!