Written by
Maya Chen Editorial TeamPublished September 5, 2026Updated October 20, 2026
Error codeSud
ApplianceWasher
Quick answer
Sud is the suds error on LG front-load washers: too many suds, so the washer runs a suds-reducing cycle.
Model compatibility: LG reuses codes across series and model years, so Sud may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
Plain language
What this code means
Suds error: too many suds, so the washer runs a suds-reducing cycle.
Sud is the suds error on a front-load LG washer. The washer found too many suds and runs a suds-reducing cycle.
What to change
Use less HE detergent on the next load.
Related codes
OE, E03, E21: excess suds can also trigger the drain failure code.
If Sud keeps appearing even with less detergent, call (310) 742-8008 about LG washer repair in Los Angeles. Bring the model number and how much detergent you used.
Important safety warning. Do not attempt repairs involving electrical components, gas, water lines, refrigerant or sealed systems. Unplug the appliance if it is safe to reach the outlet, and leave internal diagnostics to a qualified technician.
Seeing this code on your LG appliance?
Book a specialist visit for a clear estimate and approval before any repair.
