Description
2004 Nissan Sentra 2.5L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2004 Nissan Sentra 2.5L 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
Dominic Collins –
Fast shipping and the programming was spot on—my Sentra runs like new again!
Marcus Barrett –
I had trouble starting my 2004 Nissan Sentra, so I ordered this VIN programmed ECM from the site. The whole process was smooth, and I appreciated that they offered free shipping—it arrived sooner than I expected. Installation was straightforward since it came ready to plug and play, which saved me a lot of hassle. Their team also answered my questions quickly when I reached out about compatibility. After swapping the unit, my car runs perfectly again, and I’m really pleased with the quality of the part.
Matthew Clark –
I was really impressed with how smoothly the whole process went. After my 2004 Nissan Sentra’s ECM failed, I ordered this replacement unit and was relieved to find it came VIN programmed, so it was truly a plug-and-play solution. The shipping was surprisingly quick and affordable, which made the wait even easier. The quality of the part is top-notch, and my car started running perfectly right away. They also kept me in the loop with updates after I placed the order, which gave me confidence throughout. Definitely a reliable service I would recommend to anyone dealing with ECU issues.
Aaron Scott –
The 2004 Nissan Sentra ECM I ordered arrived quickly with free shipping, which was a nice surprise. The ECU was perfectly VIN programmed and ready to install right out of the box, making the swap hassle-free. Their team also responded promptly when I had a couple of questions before purchasing, which gave me extra confidence in the product. Overall, the quality and service exceeded my expectations.