Description
2012 Lexus RX350 3.5L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2012 Lexus RX350 3.5L 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
Jack Turner –
I was a bit nervous about ordering an ECM online, but this Lexus RX350 unit arrived quickly with free shipping, which was a nice surprise. The ECU was already VIN programmed, so installation was straightforward—just plug and go. I contacted their support with a few questions before buying, and they responded promptly with clear answers. After swapping it in, my car fired right up and runs perfectly, no error codes or issues. Overall, a smooth experience from start to finish.
Victor Marshall –
I needed a replacement ECU for my 2012 Lexus RX350, and this unit arrived flawlessly programmed to my VIN, which saved me a lot of time and hassle. The team was very responsive and answered all my questions promptly, making the whole process smooth and worry-free. Shipping was free and the package arrived quicker than expected. Once installed, my vehicle ran perfectly without any hiccups. This was hands down one of the best online purchases I’ve made for car parts.
Justin Brown –
I purchased the 89661-0E441 ECM for my 2012 Lexus RX350, and I’m really impressed with the quality and how smoothly the programming process went. The unit arrived quickly with free shipping, which was a nice bonus. Their team provided excellent communication throughout, answering all my questions promptly and making sure everything was set up correctly. Installation was straightforward thanks to the plug-and-play setup, and my car runs like new again.
Miguel Rogers –
The ECU arrived quickly with free shipping and was perfectly programmed for my 2012 Lexus RX350—super smooth plug-and-play installation.
I appreciated how fast they responded to my questions and kept me informed throughout the process; the ECM works flawlessly now.
Great quality and the programming service was spot on, got my car running like new in no time with zero hassle.
Super reasonable shipping and the VIN programming was done professionally; highly recommend for anyone needing a reliable ECM.
Fast turnaround and excellent communication made this purchase stress-free—the ECU fit and functioned perfectly right out of the box.