Description
2019 Toyota Avalon 3.5L ECM / ECU – VIN Programmed | Plug & Play
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2019 Toyota Avalon 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



Carlos Taylor –
This ECM arrived quickly and worked flawlessly right out of the box—super easy swap for my 2019 Avalon. Highly recommend!
Perfect fit and programmed to my VIN, installation was a breeze with zero issues. Great quality and prompt delivery.
Plugged it in, and my Avalon started running like new again. Fast shipping and excellent support made the whole process smooth.
Exactly what I needed for my 2019 Avalon, no hassles with programming or setup. Fast turnaround and works perfectly!
Received the ECM pre-programmed and ready to install; saved me so much time and headache. Definitely a five-star purchase!
Cameron Morris –
The 2019 Toyota Avalon ECM arrived quickly and was exactly as described. Installation was straightforward since it came already VIN programmed, which saved me a lot of time and hassle. My car started right up and runs smoothly now—definitely worth the investment for anyone needing a reliable replacement. The support team was also helpful in answering my questions before purchase.
I was pleasantly surprised by how easy the swap was with this ECU; it truly was a plug-and-play experience with no extra programming needed on my end. The quality of the unit feels solid and original, and my Avalon performs just like it did before. Shipping was prompt, and the entire process was stress-free from start to finish. I highly recommend this to anyone in need of a quick and dependable fix.
This VIN programmed ECM for the 2019 Avalon made what could have been a headache truly simple. It arrived faster than expected and fit perfectly without any modifications. After installation, my vehicle’s performance improved noticeably, and there were no error
Liam Bailey –
I was a bit nervous about replacing my Avalon’s ECM, but this unit fit perfectly and came already programmed to my VIN, which saved me a ton of hassle. Installation was straightforward—just plugged it in and the car fired right up without any warning lights. Shipping was quicker than I expected, so I was back on the road sooner than I planned. If you need a reliable replacement, this one definitely gets the job done without any headaches. Highly recommend for anyone looking to avoid the dealer markups.