... I decided to monitor the PTC live and I notice that when power was delivered to the PTC, my ohms dropped into the negative ...
you can't measure OHMS with power applied ..
your Error Code is
Seems like the Door/Lock Switch Assembly is bad.
The PTC can check good resistance, but if the PTC disc itself is no longer glued to the Wax Chamber, then the Plunger won't extend.
There's also (2) Switches in the Door/Lock Switch Assembly that need to be activated...
Here's one test:
Does the Door actually
If so, then un-plug Washer Power Cord from wall...
Can you immediately
open the Door ?
(should have to wait a few minutes)