Set accordion item state (open or closed)
Divi Accordions Plus module allows setting the state of each accordion item individually, you can set any accordion item to be either open or closed on page load.
To set the accordion item state open the child module (accordion item) settings by clicking the gear icon.
Then find the Active setting in Content -> Item State and set it either to ON(open) or OFF(closed).
This will set the state of the accordion item on page load.