2009 Nissan Altima transmission trouble

i have a 2009 nissan altima with transmission trouble , had computer chip in tranny changed few months ago ,more trouble now , they saytranny shot.?? anybody else?

No one can diagnose this without a lot more details. Even then, a diagnosis via the internet is very iffy.

How many miles? Cvt trans? What issue did new “chip” fix? What is issue now?