If you’ve done all this and it’s still clogged, it might be the pump or the internal plumbing. That’s a bigger job. You have my permission to call a repair person.
No shame. We all have limits. Mine is usually around the third time I hit my head on the counter.
But honestly? Nine times out of ten, it’s just that drain hose. A little gunk. A little elbow grease. And your dishwasher is back to being your best friend.
Now go rescue your dirty dishes. You’ve got this.
