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LG Washer SUD Code: Too Many Suds

Updated

Short answer

LG says SUD on a washer means the washer detected too many suds and added a suds-reducing cycle, which adds about 2 hours; if suds are detected while spinning, it stops. LG's first step: use no more than the recommended amount of detergent. This is a detergent issue, not a part failure. No repair needed (2026 cost guide).

What SUD means

In LG's words, condensed: the washer detected too many suds and added a suds-reducing cycle, which adds about 2 hours; if suds are detected while spinning, it stops (LG).

What LG says to try

  1. Use no more than the recommended amount of detergent.
  2. Reduce the amount until there is no more sudsing.

Unplug the appliance or switch off its breaker before reaching into any part of it. Codes and steps vary by model, so check your manual too.

If the code comes back

This is a detergent issue, not a part failure. No repair needed. (LG, washer error code list)

Related

All LG codes on one page: LG appliance repair. The appliance: washer repair. This site is independent and not affiliated with or authorized by LG; if the appliance is under warranty, contact LG first.

Quick answers

What does SUD mean on a LG washer?

LG says it means the washer detected too many suds and added a suds-reducing cycle, which adds about 2 hours; if suds are detected while spinning, it stops.

How do I clear SUD?

LG's steps: Use no more than the recommended amount of detergent. Reduce the amount until there is no more sudsing.

What does it cost if SUD keeps coming back?

This is a detergent issue, not a part failure. No repair needed.

Rather have someone fix it?

Tell us the appliance, the brand, the model number and what it is doing. A local technician calls back with a time and a price before any work starts.