Description
2017 Toyota Avalon 3.5L AT gas ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2017 Toyota Avalon 3.5L AT gas 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 may require key programming after installation. This is normal.
For a 100% plug-and-play solution with no relearns, your original ECU must be sent in for cloning. We transfer all security data to the replacement unit.
👉Add the cloning service as a bundle at checkout — $300 CAD / $215 USD
A prepaid shipping label will be emailed to you.
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




Elijah Cooper –
The 2017 Toyota Avalon ECM arrived quickly and was already programmed to my VIN, which made installation a breeze. It fit perfectly and worked flawlessly right out of the box, saving me a lot of time and hassle. I also appreciated the helpful support team who answered a couple of my questions promptly. Highly recommend for anyone needing a reliable replacement without complicated setup.
Anthony Gonzalez –
I was a bit nervous about replacing the ECM on my 2017 Toyota Avalon, but this unit made the process incredibly smooth. It came already VIN programmed, so I didn’t have to mess with complicated setups or take it to a mechanic for coding. Installation was truly plug-and-play, and my car started up without any issues the very first time. The shipping was faster than expected, arriving well ahead of schedule. Overall, I’m really impressed with the quality and ease of use—definitely saved me a lot of time and hassle.
Mark Wright –
This ECM arrived quickly and was perfectly programmed for my 2017 Avalon—installation was a breeze with zero issues. Super impressed with how seamless everything went!