Description
2004 Toyota MR2 Spyder 1.8L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2004 Toyota MR2 Spyder 1.8L models.
Each unit is VIN-programmed, updated, and fully tested for a true plug-and-play installation with our cloning service.
Built to OEM standards for reliability, calibration accuracy, and long-term performance.
Strict Testing & Quality Assurance
Every ECU is inspected, refreshed, and verified through advanced diagnostic tools. Testing includes:
Complete communication & CAN-bus verification
Sensor input/output and signal integrity checks
Injector & ignition pulse simulation
Power, ground, and load-circuit analysis
Flash memory integrity and checksum validation
Thermal and voltage-stress testing to confirm reliability
Important Note
Some vehicles with IMMO or PATS require key programming after installation. This is normal.
For a 100% plug-and-play solution, we recommend using our full cloning service. We transfer all security data to the replacement unit.
A prepaid shipping label will be emailed to you. Allow you to mail in your original computer to us for full cloning.
If cloning is not selected, the ECU will be VIN programmed, and a key relearn will be required after installation.
Contact Us
Email: info@fixecm.com
Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566
Luke Adams –
I was a bit nervous ordering an ECU online, but this 89661-17721 unit for my 2004 Toyota MR2 Spyder arrived quickly and was exactly as described. The fact that it came VIN programmed saved me a ton of hassle, and it truly was plug-and-play right out of the box. Shipping was surprisingly affordable, which was a nice bonus considering the part’s value. I reached out with a few questions before purchasing, and their support team responded promptly and clearly, making the whole experience smooth. My car fired up immediately, and it’s running like new again—definitely recommend this seller for anyone needing a reliable ECM.
Jorge Foster –
I’m very happy with the 89661-17721 ECU I purchased for my 2004 Toyota MR2 Spyder. The unit arrived quickly with free shipping, and it was already VIN programmed, which saved me a lot of hassle. The quality feels spot-on, and the communication from the seller was excellent—they answered all my questions promptly. Overall, a smooth and professional experience that got my car running perfectly again.
Luke Sharp –
The ECU arrived quickly with free shipping and was perfectly programmed for my 2004 MR2 Spyder—super easy plug-and-play setup. Customer support kept me informed the whole way, which I really appreciated.