Description
2004 Nissan Quest 3.5L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2004 Nissan Quest 3.5L 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
Leo Webb –
I purchased the 2004 Nissan Quest ECM and was impressed with how quickly it arrived, especially considering the free shipping offer. The unit came VIN programmed and ready to install, which made the whole process incredibly straightforward. Their team also responded promptly when I had questions about installation, making the experience smooth from start to finish. Overall, the quality of the ECM exceeded my expectations, and my van is running perfectly again.
Justin Cook –
The ECU arrived quickly with free shipping and was perfectly programmed for my 2004 Nissan Quest—installation was a breeze.
Great service with fast turnaround and excellent communication; they answered all my questions right away.
Plug-and-play setup made swapping the ECM effortless, and the shipping cost was very reasonable.
Really impressed with the quality of the PCM and how quickly it was shipped—everything works flawlessly now.
Fast shipping and professional programming saved me a ton of hassle, highly recommend for Nissan owners.
Jorge Ward –
I was a bit nervous about ordering an ECM online, but this 2004 Nissan Quest unit was exactly what I needed. The best part was the plug-and-play programming service they provided, which saved me a huge headache since it arrived ready to install. Shipping was incredibly reasonable and it arrived quicker than I expected. The repair quality seems top-notch, and my van runs smoother than it has in years. I will definitely be keeping this supplier in mind for any future work.
Robert Miles –
I had been struggling with my 2004 Nissan Quest’s engine issues for weeks and decided to order this ECM after reading some good reviews. The best part was the professional VIN programming service they provided — it arrived ready to install without any extra hassle. Shipping was surprisingly fast and didn’t cost an arm and a leg, which was a relief. Once installed, my van started up smoothly and runs like new again. The whole process was straightforward, and I appreciated how they kept me informed throughout. Definitely a trustworthy place for these vital components!