Description
2004 Lexus RX330 3.3L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2004 Lexus RX330 3.3L 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



Andrew Ramirez –
I had been struggling with engine issues on my 2004 Lexus RX330, so I decided to order this ECM unit. The best part was that it arrived quickly with free shipping, which was a nice bonus. The ECM came VIN programmed, just as promised, making installation straightforward and painless. After swapping it in, my car runs flawlessly again, like it did when new. The whole experience felt professional and hassle-free from start to finish.
Chase Reed –
Received my programmed ECM quickly with free shipping, and it worked perfectly right out of the box. Great service and fast turnaround!
Benjamin Watson –
I purchased the 89661-48480 ECM for my 2004 Lexus RX330, and the entire process was smooth and hassle-free. The unit arrived quickly with free shipping, which was a nice bonus. What impressed me most was the professional VIN programming service—they had it ready to go right out of the box. The quality of the part and the quick turnaround made this a great experience overall.