Remove and clean the filter
Clear food debris from the bottom of the dishwasher
Wipe the door gasket and edges
Clean the spray arms and unclog the holes
Run an empty hot cycle with dishwasher cleaner
Run an empty cycle with white vinegar in a dishwasher-safe cup on the top rack
Sprinkle baking soda on the bottom and run a short hot cycle
Check and clean the drain hose and air gap
Leave the door slightly open after cycles to dry the interior
Wash dishes before loading to prevent buildup
Clean the dishwasher regularly to prevent recurring odors