Description
2004 Nissan Maxima 3.5L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2004 Nissan Maxima 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
Eric Reed –
I purchased the 2004 Nissan Maxima ECM from this seller and was impressed by how smoothly everything went. The unit arrived quickly with free shipping, and it was already VIN programmed, so installation was truly plug-and-play. Their team also responded promptly to a couple of my questions, making the whole process stress-free. The car runs perfectly now, and I highly recommend their service.
Gavin Hall –
Got my 2004 Maxima ECM quickly, and it was plug-and-play with no hassle—saved me a bundle versus the dealer. Communication was top-notch and installation was a breeze.
Marcus Evans –
Received my programmed ECM for the 2004 Maxima quickly with free shipping, and it was a perfect plug-and-play fit—highly recommend!
Connor Barrett –
I purchased the 2004 Nissan Maxima 3.5L ECM from this seller and was genuinely impressed with how smooth the entire process was. The unit arrived quickly with very reasonable shipping costs, which was a big plus for me. What really stood out was that the ECM came fully VIN programmed, so installation was basically plug-and-play without any hassle. I also appreciated how the seller kept me updated throughout the shipping process, which made me feel confident about my purchase. Since swapping it out, my Maxima has been running flawlessly, and I couldn’t be happier with the quality and service.