Cleaning the filter is usually much simpler than people expect, and in most cases it only takes a few minutes. Start by sliding the bottom rack all the way out so you have clear access to the floor of the dishwasher. If your model has a removable filter, it will often unlock with a simple twist and lift right out. Once it’s out, take it to the sink and rinse it under warm running water.
If there’s visible grime or greasy buildup stuck to it, use a soft sponge, a little dish soap, or even an old toothbrush to gently clean it. You don’t need to scrub aggressively — just enough to remove whatever has collected there. It’s also a good idea to quickly wipe around the area where the filter sits, since food and residue can settle there too. Once everything looks clean, place the filter back exactly the way it came out and make sure it locks into place properly. That’s it.
No complicated tools, no deep repair, and no need to take the dishwasher apart.