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



Lucas Gonzalez –
I purchased the 2004 Lexus RX330 ECM from this seller and was impressed by how easy the whole process was. The unit came VIN programmed and ready to use, which saved me a lot of hassle. Shipping was surprisingly quick and affordable, and the communication throughout the order was excellent—they kept me informed every step of the way. Overall, a smooth experience and top-quality product.
Cooper Hamilton –
Super fast shipping and the plug-and-play programming made installation a breeze—highly recommend!
Jonah Kelly –
I was really impressed with how smooth the whole process was from start to finish. The ECM arrived quickly, and the best part was that it came fully VIN programmed, so installation was literally plug-and-play. I also appreciated their prompt responses whenever I had questions—they made sure I was comfortable with every step. The quality of the part feels top-notch, and my Lexus runs like new again. Definitely a reliable source for replacement ECUs.