Description
2004 Lexus ES330 3.3L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2004 Lexus ES330 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



Allan Anderson –
The ECM arrived quickly with free shipping and was perfectly programmed for my 2004 Lexus ES330—installation was a breeze.
Excellent communication throughout the process, and the updated ECU works flawlessly with no hiccups.
Super fast turnaround and the plug-and-play setup saved me a ton of time; highly recommend this service!
They answered all my questions quickly and the unit came ready to install, making this the smoothest repair I’ve done.
Great quality repair with very reasonable shipping costs; my Lexus is running like new again!
Cameron Wright –
I purchased the 2004 Lexus ES330 ECM from this seller and was really impressed with the entire experience. The unit arrived quickly with free shipping, which was a nice bonus. What stood out most was their professional programming service—my VIN was perfectly matched and the plug-and-play setup made installation a breeze. Their team also responded promptly to a couple of questions I had, making the process smooth from start to finish.