Description
2005 Lexus LS430 4.3L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2005 Lexus LS430 4.3L 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




Owen Smith –
I ordered the 89661-50870 ECM for my 2005 Lexus LS430 and was really impressed with how smooth the whole process went. The unit arrived quickly with free shipping, and the programming was already done, so it was basically plug-and-play. I had a couple of questions before ordering, and the customer service team responded promptly with clear answers. Overall, a great experience and the car runs like new again.
Harrison Mitchell –
I ordered the 2005 Lexus LS430 ECM from this seller because my old unit was causing all sorts of drivability issues. The whole process was surprisingly smooth — they offered free shipping, which was a great bonus. What really impressed me was how the unit came already VIN programmed and ready to install, so I didn’t have to worry about any complicated setup. After installation, my car runs perfectly, just like new. The entire experience, from ordering to receiving the part, was hassle-free and professional.
Cooper Nelson –
I ordered the 89661-50870 ECM for my 2005 Lexus LS430 and was genuinely impressed by how smooth the entire process was. The unit came VIN programmed and ready to install, so it was truly plug-and-play—I didn’t have to worry about any complicated setups. The seller kept me in the loop throughout the whole order, answering my questions quickly and making sure I knew when to expect delivery. Shipping was reasonable and arrived right on time, which helped me get my car back on the road faster than I anticipated. Overall, it feels like a high-quality replacement that runs perfectly with my vehicle.
Robert Evans –
The ECU arrived quickly with free shipping and was perfectly programmed for my 2005 Lexus LS430—installation was a breeze.
Great service and super fast turnaround; they kept me in the loop the whole time which made the process stress-free.
Received my ECM with plug-and-play setup exactly as described, and the team answered all my questions promptly.
Very happy with the professional programming service—my Lexus runs like new again after just a few days.
Shipping was affordable and the unit came pre-programmed, making the swap hassle-free and straightforward.