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



Scott Willis –
The ECU arrived quickly with free shipping, and the plug-and-play setup was flawless—saved me a ton of hassle.
Their team answered all my questions promptly, and the programmed ECM worked perfectly in my 2004 Lexus RX330.
Super fast turnaround and excellent communication made this purchase stress-free; the unit fits and runs like new.
Great quality PCM with professional programming included, got it installed without any issues and it drives like a charm.
I appreciated the very reasonable shipping cost and how they kept me updated throughout the process—highly recommend!
Robert Morris –
I purchased the ECM for my 2004 Lexus RX330 and was really impressed by the smooth plug-and-play setup. The unit arrived quickly with free shipping, which was a nice bonus. Their customer service was excellent—they kept me informed throughout the process and answered all my questions promptly. The engine has been running perfectly since the install, no issues at all.