Watched you tube vidio's.
Took bottom panel off (3 screws) and cleaned the trap out. And still got the error code. Took back panel off and pulled all of the rubber hoses and made sure their was no obstructions,
Pulled the top off the machine and pulled the pressure sensor out and got the part numbers and ordered the part.. Installed the new pressure switch and it has worked good so far,,, 6 or 7 loads.