On a supported Whirlpool washer, Sud or Sd means excessive detergent foam is slowing the cycle or drain. Allow the washer’s suds-reduction routine to finish without adding detergent. Then run an empty rinse and begin measuring the correct amount of HE detergent for load and water hardness.
What this covers
- Whirlpool washers displaying Sud or Sd
What it does not cover
Try in this order
0 of 4 completedConfirm Sud or Sd on the exact model
ReversiblePhotograph the complete display, record the model tag and note the cycle stage. Similar-looking codes can mean different things on another product line.
Check the condition named by the code
ReversibleAllow the washer’s suds-reduction routine to finish without adding detergent.
Correct the remaining user-serviceable cause
ReversibleRun an empty rinse and begin measuring the correct amount of HE detergent for load and water hardness.
Run one controlled verification
ReversibleConfirm the next normal load has little visible foam and completes on time. A repeat with no detergent can indicate a drain or pressure-sensing problem.
Evidence ledger
Sources behind this answer
Exact questions
Common questions about “Whirlpool washer Sud or Sd code”
What does Sud or Sd mean on a Whirlpool washer?+
It means excessive detergent foam is slowing the cycle or drain.
Can I clear Sud or Sd by resetting the washer?+
A restart may clear a stored display only after the underlying condition is corrected. Repeatedly resetting without correcting the cause is not a repair.