Description
2008 Toyota Avalon 3.5L ECM / ECU – VIN Programmed | Plug & Play
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2008 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
Travis Clark –
I was a bit nervous about replacing the ECM on my 2008 Avalon, but this unit made the whole process surprisingly smooth. It arrived quicker than I expected, and since it was already VIN programmed, I just plugged it in and fired up the engine—no hiccups at all. My car runs like new again, and I didn’t have to deal with any complicated setup or trips to the dealer. The support team was also very helpful when I had a couple of questions after installation. Overall, a great buy that saved me a lot of time and hassle.
Mark Wilson –
I was a bit nervous about swapping out my Avalon’s ECM, but this unit arrived perfectly programmed to my VIN and was truly plug-and-play. Installation was straightforward, and the engine fired up immediately with no issues. Shipping was quick, and the support team was responsive when I had a couple of questions. Overall, a seamless experience that got my car back on the road fast.
Tyler Torres –
Swapped this ECM in my 2008 Avalon with zero hassle—started right up and runs perfectly. Super fast delivery too!
Isaac Mitchell –
I had some trouble with my 2008 Avalon’s computer and decided to give this ECM a try. It arrived quicker than I expected, neatly packaged and ready to go. The best part was how easily it plugged right in without any fuss, saving me a ton of time and headaches. Since installation, my car runs smoother than it has in years, and there hasn’t been a single hiccup. Definitely a solid buy if you need a reliable replacement that’s hassle-free.
When my old ECM went out, I was worried about finding a part that matched perfectly and didn’t require complicated programming. This unit showed up pre-programmed to my VIN, so I just plugged it in and started the car—no extra steps needed. I appreciated the clear instructions and how straightforward the whole process was. It’s been a few weeks now, and my Avalon runs like new again with no warning lights or issues. I’m really happy with how everything turned out.
I wasn’t sure what to expect when ordering