KTuner.com

That is correct, it's not on the supported list.

This is not tune related and you likely have a mechanical issue that needs attention. Check for errors codes as well.

Classes like EFI101 and HPAcademy can teach you the necessary skills for the tuning process.

It is not listed as a feature on the application page for the vehicle.

Glad to hear this was all worked out.

There's an option in the tuning menu if you're not prompted when connecting to the unit.

U129E is a communication error that wouldn't affect fueling. I have no suggestions for causes. If the tune was running fine since 2020 with the correct options it's safe to say it's not the tuning.

In order to test for emissions you should return to factory, unlock, and remove the unit.

No problem

Based on the listed ECU numbers on our website this would be what you want to check for. 37820-5G0-A14