That has 2 motor and pumps, one for washing only and one for draining only.
First thing we would check is to confirm the drain pump is acually running. #15 in the
pic here.
A copy:
PROBLEM: Will Not Drain or Excess Water Left in Unit
Obstructed drain hose or
path.
1. Unplug dishwasher or disconnect power.
2. Check for blockages from sump check
valve to customer’s plumbing. Potential
items:
Plugged garbage disposer or plug not
knocked out.
Blocked/stuck sump or drain loop
check valve.
Plugged hoses.
Open winding on drain
pump motor or
loose/open connection in
drain motor circuit.
1. Unplug dishwasher or disconnect power.
2. Check the resistances of drain motor
windings and all connections in drain
circuit.
Drain pump impeller
fractured.
1. Unplug dishwasher or disconnect power.
2. Remove drain pump and check impeller
by pulling and rotating. If the impeller
pulls off easily or turns freely (normally
there is some uneven resistance), it is
stripped. Replace.
If needed:
Drain pump Manufacturer Number 8558995
jeff.