Appliance Diagnostic

Maytag Washer SD / Sud Error Code - Excessive Foam Detection

SD or Sud code triggers when control board senses excessive suds in outer tub during cycle.

What Caused This Error?

The control system reports SD when the monitored condition described by the error code is outside the expected operating range. In this case, the most likely trigger is using non-he laundry detergent. Other common contributors include overdosing detergent volume and clogged drain hose restriction.

Step-by-Step Diagnostic Check

  1. Allow suds to dissolve naturally; do not add extra soap.
  2. Switch exclusively to High-Efficiency (HE) detergent formulas.
  3. Reduce detergent dose by half for soft water or light loads.
  4. Run clean washer cycle with affresh cleaner tab to clear residue.
Most Likely Replacement Part

Washing Machine Cleaner Tablets

OEM Part #: MODEL-SPECIFIC

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