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



Adam Sharp –
The ECU arrived quickly and was truly plug-and-play, saving me a bundle versus dealer prices. Installation went smoothly and the whole process was hassle-free.
Ethan Murray –
I recently needed a replacement ECM for my 2004 Toyota Corolla, and this unit fit perfectly. What really impressed me was the plug-and-play setup—they programmed it to my VIN before shipping, so installation was straightforward and hassle-free. The shipping was quick and reasonably priced, which was a relief since I wasn’t expecting to pay much for delivery. Throughout the process, the seller kept me informed about every step, which made me feel confident in my purchase. After installation, my car runs smoother than it has in years.
Andrew Bell –
I had an issue with my 2004 Toyota Corolla’s ECM and was worried about finding the right replacement. This unit arrived quickly and was already VIN programmed, which saved me a ton of hassle. The plug-and-play setup made installation straightforward, even for someone like me who isn’t a mechanic. I was also impressed with how the seller kept me informed throughout the process. Since installing this ECM, my car runs like new again—truly a worthwhile purchase.
Daniel Hudson –
Received my 2004 Corolla ECM fully programmed and ready to install—super fast shipping and flawless plug-and-play setup. Customer support was responsive and kept me in the loop throughout the process.
Brandon Campbell –
I purchased the 89661-02C41 ECM for my 2004 Toyota Corolla and was really impressed with how smoothly the whole process went. The unit arrived quickly with free shipping, which was a nice bonus. They also handled the VIN programming for me, so it was basically a plug-and-play experience. Overall, the quality of the part and the professional service made this a hassle-free upgrade.