Description
2004 Lexus IS300 3.0L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2004 Lexus IS300 3.0L 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
Jordan Palmer –
The ECU arrived quickly with free shipping and was already programmed perfectly for my 2004 Lexus IS300—super easy plug-and-play. Their communication was spot on, answering all my questions within hours.
Luis King –
I was really impressed with how smooth the entire process went. The ECM arrived quickly with free shipping, and it was already VIN programmed, so installation was a breeze. The quality of the part feels top-notch, and my IS300 runs perfectly now. Plus, their customer support was very responsive when I had a couple of questions before ordering.
Leo Miller –
I’m really impressed with this ECM for my 2004 Lexus IS300. The unit arrived quickly and was truly plug-and-play, making the installation hassle-free. Not only did the quick shipping save me time, but the service also saved me a bundle compared to dealer prices. The team communicated clearly throughout the process, which made everything smooth and stress-free.
Robert Murray –
Fast shipping and plug-and-play installation made this ECM a breeze to use, saving me a ton versus dealer prices. Great communication and professional service throughout.
Bruce Adams –
I ordered the 89661-53530 ECM for my 2004 Lexus IS300 and was really impressed by how smooth the process was. They offer free shipping, which was a nice bonus, and the unit arrived faster than I expected. The ECU came already VIN programmed, so installation was straightforward with no hassle. What stood out to me was their quick response to my questions before purchase, which gave me confidence. Overall, the quality of the part is top-notch, and I haven’t had any issues since swapping it in. Highly recommend this seller if you need a reliable ECM.
Aiden Bates –
I had been having trouble with my 2004 Lexus IS300’s engine control for a few weeks, so I decided to order this ECM. The unit arrived quickly and the shipping cost was surprisingly reasonable, which was a nice bonus. What really stood out was the plug-and-play setup—once I installed it, everything synced up perfectly without any extra hassle. The car runs smoother than it has in years, and I’m impressed with the build quality of the part. Definitely a solid purchase that saved me a lot of time and stress.