Hi enzso ....welcome to the club
There is a reset procedure for the CVT transmission which may benefit you.
CM (Transmission Control Module) reset by cycling the ignition and pressing the accelerator pedal, or disconnecting the battery.
https://www.google.com/search?q=nissan+k13+automatic+gearbox+reset&rlz=1C5MACD_en&oq=nissan+k13+automatic+gearbox+reset&gs_lcrp=EgZjaHJvbWUyBggAEEUYOTIHCAEQIRigAdIBCTE0NzQ0ajBqN6gCALACAA&sourceid=chrome&ie=UTF-8
There are also videos on how to reset the transmission in this search link (above)