Genericode is acting strange... and I think it might be a bug.
Could you advise if you could duplicate this?
Start program, then choose "code"
Leave the top one at "general code" then enter "H2001" for code, then change the third drop down to "ILL/Chg"
Now highlight the result and select "view key data"
Once you get your key data, click on "search in series" and put in a different code within the series.
On mine, the bitting does not change from the initial view regardless of what you put in.
The bitting changes properly for other codes, such as Honda.