Description
2019 Lexus RX350 3.5L ECM / ECU – VIN Programmed | Plug & Play
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2019 Lexus RX350 3.5L models.
Each unit is VIN-programmed, updated, and fully tested for a true plug-and-play installation with no dealer visit required.
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:
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Complete communication & CAN-bus verification
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Sensor input/output and signal integrity checks
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Injector & ignition pulse simulation
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Power, ground, and load-circuit analysis
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Flash memory integrity and checksum validation
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Thermal and voltage-stress testing to confirm reliability
This ensures a fully functional, reliable, plug-and-play module you can install with confidence.
Important Note
Some vehicles equipped with IMMO (Immobilizer) or PATS (Passive Anti-Theft System) may require additional key programming after installation. This is normal for models where security data must be synchronized with the vehicle’s body control system.
For a 100% plug-and-play solution with no relearns, no key programming, and no compatibility issues, we recommend our ECU Cloning Service, which transfers all original security, immobilizer, and configuration data directly into the replacement unit.
Contact Us
Email: info@fixecm.com
Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566
Steven Gonzalez –
I recently replaced the ECM in my 2019 Lexus RX350 with this unit, and I couldn’t be happier. The plug-and-play setup was exactly as described—no complicated programming sessions or extra trips to the dealer. It arrived quicker than I expected, which was a huge relief since I needed my car back on the road ASAP. After installation, the car started smoothly, and all systems have been functioning flawlessly. It’s rare to find a part that fits perfectly and works right out of the box, but this one definitely did the trick.
Jason Phillips –
I was a bit nervous about replacing the ECM on my 2019 Lexus RX350, but this unit made the process so straightforward. It arrived quickly and was already programmed to my VIN, so I just had to plug it in and go. The engine runs smoother than ever, and I haven’t had any error codes or issues since the swap. Customer support was helpful in answering a couple of my questions before I ordered, which gave me extra confidence. Overall, this was a great purchase that saved me time and a lot of hassle.
After some troubles with my car’s computer, I decided to try this ECM for my 2019 Lexus RX350. I was impressed by how easy it was to install—the plug-and-play feature meant I didn’t need any special tools or extra programming. It restored my vehicle’s performance right away, and the check engine light disappeared the next day. Shipping was faster than expected, and the unit came well packaged. Definitely a reliable choice if you want a
Nathan Morgan –
Arrived quickly and installed without a hitch—exactly what I needed for my 2019 Lexus RX350. Works perfectly right out of the box!
Aiden Miller –
I was really impressed with how easy it was to install this ECM on my 2019 Lexus RX350. The unit came perfectly programmed for my VIN, so it truly was plug-and-play with no issues. Shipping was quick, and the support team was helpful when I had a question about the setup. Overall, it saved me a lot of time and hassle compared to going through a dealer.