Hondata

i tried to download from ECU to laptop.
there is a pop-up warning that:

"It is recommanded to always load calibration files from the computer, rather than downloading from the ECU. Do you still wish to download from the ECU?"

Why is that ??
Is downloading my own cal. from ECU to laptop bad ??
I ...

I think the step that you're missing is loading the calibration into KManager. If you don't have the calibration on your laptop, download it from the ECU and save it onto the laptop.

How do i download the current cal. from ECU to laptop ??
I downloaded the latest version 1.2.2.1 already.
Then ...

I got check engine light P0420 Catalyst System Efficiency Below Threshold because of my race header.

I grabbed my laptop trying to uncheck OBD II on K-Pro under "Misc".
But I wasn't able to do that. I can't see my calibration.
I mean the screen is unclickable.
What is going on ??

I know that we ...