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
Liam Roberts –
I was really impressed with how quickly the 89666-02343 ECM arrived—it shipped faster than I expected. Installation was straightforward since the unit came already VIN programmed and truly plug-and-play, which saved me a ton of hassle. Compared to the dealer’s quote, this service was way more affordable and the customer support was very responsive throughout the process. Overall, a smooth experience that got my 2004 Toyota Corolla running like new again.
Elliot Cooper –
The ECM arrived quickly with free shipping and was perfectly programmed for my 2004 Corolla—installation was a breeze. Excellent communication throughout the process made this a hassle-free experience.
Brandon Allen –
I purchased the 89666-02343 ECM for my 2004 Toyota Corolla, and the entire process was smooth from start to finish. The unit arrived quickly with free shipping, and it was already VIN programmed, so installation was plug-and-play with no hassle. Their support team was very responsive and answered all of my questions before I placed the order. Overall, a reliable product and great customer service.
Gavin Green –
I was really impressed with how quickly this ECM arrived after I placed the order—shipping was much faster than I expected. When I got it, the unit was already programmed and truly plug-and-play, which made swapping it into my 2004 Toyota Corolla a breeze. Installation went smoothly without any hiccups, and the car fired up right away like nothing had changed. The best part was how much money I saved compared to the dealer’s quote; this service definitely kept my repair affordable without sacrificing quality. The communication from the seller was also clear and helpful, which added to the overall positive experience. I’m really glad I found this option instead of paying dealer prices.
Adrian King –
I was really impressed with how smoothly everything went with this ECU for my 2004 Toyota Corolla. The unit arrived quickly, and the fact that it came VIN programmed saved me so much hassle — it was basically plug-and-play. The shipping was very reasonable, too, which was a nice bonus. I had a couple of questions before buying, and the support team responded promptly and clearly, which gave me great confidence in the purchase. My car runs perfectly now, and I couldn’t be happier with the quality and service.
Austin Graham –
Fast shipping and the ECU was truly plug-and-play, making installation a breeze. Saved me a ton compared to dealer prices and the customer support was top-notch.