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
Ian James –
I ordered the 23710-9J378 ECM for my 2004 Nissan Altima, and the entire process was smooth from start to finish. The unit arrived quickly with free shipping, which was a nice surprise. What really stood out was the professional programming service—they handled the VIN matching perfectly, so it was truly plug-and-play. My car runs better than ever, and the customer support team was very responsive when I had a couple of questions before ordering.
Travis Payne –
Fast shipping and the ECU was truly plug-and-play—saved me a ton compared to dealer prices. Installation was smooth and the communication throughout was spot on.
Victor Scott –
I was a bit nervous about ordering an ECM online for my 2004 Altima, but this one arrived quickly and came VIN programmed, which made installation a breeze. The plug-and-play setup meant I didn’t have to mess around with complicated programming myself. Shipping was free and surprisingly fast, so I was back on the road within a couple of days. Customer support was responsive when I had a couple of questions before placing my order, which gave me extra peace of mind. Overall, a smooth experience and a high-quality part that works perfectly.
Nathan Green –
Received my 2004 Altima ECM fully programmed and ready to go—setup was a breeze and shipping was super fast. Customer service kept me informed every step of the way.
Edward Little –
I was really impressed with how smoothly everything went ordering this ECM for my 2004 Nissan Altima. The fact that it came VIN programmed saved me a ton of hassle, and the plug-and-play setup meant I didn’t need any extra equipment or trips to the mechanic. Shipping was surprisingly quick and free, which was a nice bonus. The quality of the part feels top-notch and my car runs perfectly now. I definitely recommend this seller if you want a straightforward, reliable fix.
Dylan Watson –
I had my 2004 Nissan Altima’s ECM replaced with this unit, and everything went smoothly from start to finish. The VIN programming was spot on, and the part was truly plug-and-play, making the install quick and hassle-free. Shipping was surprisingly fast, and their customer support kept me informed throughout the process. This solution saved me a ton compared to dealer prices without sacrificing quality.