Description
2004 Toyota Tundra 3.4L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2004 Toyota Tundra 3.4L 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
Henry Perez –
I ordered the 2004 Toyota Tundra ECM for my 3.4L and was really impressed with the professional programming service they provided. The ECU arrived completely VIN programmed and ready to install, which saved me a lot of hassle. Shipping was quick and reasonably priced, and I felt confident throughout the process thanks to their prompt responses to my questions. Overall, a seamless experience from start to finish.
Spencer Bates –
I needed a replacement ECM for my 2004 Toyota Tundra, and this one arrived exactly as described, fully VIN programmed and ready to go. The shipping was surprisingly fast and free, which made the whole process even smoother. Installation was straightforward thanks to the plug-and-play setup they offer—no extra programming on my end. I really appreciated how the team kept me informed from order to delivery. The truck has been running perfectly since, so I’m very happy with the quality and service overall.
Austin Perez –
I was really impressed with how smooth the whole process went with this 2004 Toyota Tundra ECM. The unit arrived quickly and was already VIN programmed, so installation was completely plug-and-play—no extra trips to a mechanic for programming, which saved me a ton of hassle and money. The shipping was fast and really affordable, which made the purchase even better. The seller kept me informed every step of the way, responding promptly to my questions and making me feel confident about what I was buying. Since installing this ECM, my truck runs flawlessly, and I couldn’t be happier with the quality and service.
Adrian Hill –
Fast shipping and the plug-and-play programming made replacing my Tundra’s ECM a breeze—highly recommend!
Isaac Brown –
Fast shipping and the unit was truly plug-and-play. Saved me a bundle compared to dealer prices, plus installation was a breeze.
Jonah Parker –
I’m really pleased with this 89661-0C500 ECM for my 2004 Toyota Tundra. The unit arrived quickly and was truly plug-and-play, which made installation straightforward and hassle-free. The communication with the seller was clear and professional throughout the process. Compared to dealer prices, this option saved me a significant amount of money without compromising quality.