Description
2004 Toyota Corolla 1.8L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2004 Toyota Corolla 1.8L 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



Sean Scott –
I purchased the 89661-02C42 ECM for my 2004 Toyota Corolla, and I’m really impressed with how smooth the whole process went. The unit came VIN programmed and ready to install, so I didn’t have to worry about any complicated setup. Shipping was free and arrived quicker than I expected, which was a nice bonus. Customer service was also very responsive and answered all my questions promptly, making this a worry-free experience.
Logan Walker –
I was really impressed with how smoothly everything went when I ordered the 89661-02C42 ECM for my 2004 Toyota Corolla. The unit arrived quickly, and it was already VIN programmed, so installation was straightforward with no extra hassle. What stood out most was the excellent communication; the team kept me informed throughout the process and promptly answered all my questions. The car runs perfectly now, and I appreciate the quality of the rebuild. Shipping was reasonably priced, which made the whole experience even better. Highly recommend for anyone needing a reliable ECM replacement.
Adam Nichols –
The VIN programming was spot on, and their communication was excellent throughout the entire process. Shipping was super fast too!
Spencer Murray –
I’m really pleased with this ECM for my 2004 Toyota Corolla. The unit arrived quickly and was literally plug-and-play, making installation straightforward with no hassle. The VIN programming was spot on, and the whole process was smooth thanks to their professional communication. Compared to dealer prices, this saved me a significant amount of money and time.
Trevor Scott –
I was really impressed with the service I received for the 89661-02C42 ECM for my 2004 Toyota Corolla. The unit arrived quickly, and the free shipping was a nice bonus that helped keep the overall cost down. What stood out the most was how professional the plug-and-play setup was; I just had to connect it, and everything worked perfectly without any hassle. They also kept me updated throughout the process, so I always knew what to expect and when my ECM would arrive. My car runs smoother than before, and I couldn’t be happier with the quality and support.
Mark Roberts –
Fast shipping and the unit was truly plug-and-play. Saved me a bundle compared to dealer prices and installation went smoothly.