GE Washer continues to fill with water during final rinse Cycle?

My GE washer continues to fill with water during the final rinse cycle where it will eventually overflow
and flood. I have to watch to turn the water off so it wont flood. It is hit & miss with doing this. It does not do this during the initial fill cycle. What needs to be checked or replaced?
Update: I would add that this only happens on the final rinse cycle, it will continue to fill through the extraction cycle. It appears to reset after i turn the water off and the cycle is complete.
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