Hondata

Post the calibration as well as the datalog showing the issue.

You need to try the ECU in a known running vehicle to see if it is the ECU that might be damaged.

Yes you should be able to purchase a new FlashPro and use it.

What is the serial number that is on the K-Pro board inside the ECU?

Don't worry about it.

define very small

No it will not work as our software is not an app from the Microsoft store.

The trims are now changing which indicates that closed loop is working.

You cannot download form the ECU. You will have to contact your tuner and have them email you the file. You should always keep a copy of the calibration saved on your laptop.

Try putting the stock fuel trim settings back and see if that works better.

It is probably how things are being powered up. More than likely something is not connected to a switched power source correctly.

You will need to datalog and check the errors.

If you datalog, what errors are shown in the datalog?

This vehicle is not supported with the K-Pro.

That is the only way an automatic ECU can see the VSS signal.