LG Washing Machine Error SUD
⚡ Quick Answer: The SUD error on your LG Washing Machine signifies that excessive soap suds have been detected in the wash drum. This issue can lead to prolonged wash... ✅ DIY Fixable
What Does Error SUD Mean?
The SUD error on your LG Washing Machine signifies that excessive soap suds have been detected in the wash drum. This issue can lead to prolonged wash cycles and unusual motor sounds. Common causes include using too much detergent, employing the wrong type of detergent (non-HE), or detergent residue buildup in the dispenser or tub. To resolve this, you can pause the cycle to let suds dissipate, run an extra rinse without detergent, and ensure you're using the correct amount of HE detergent.
Common Symptoms:
- Error code displayed during wash cycle
- Excessive foam visible inside drum
- Cycle stops or extends unexpectedly
Possible Causes
- Excess detergent amount (medium)
- Wrong type of detergent (non-HE detergent) (medium)
- Detergent residue/build‑up in dispenser or tub (medium)
How to Fix Error SUD
DIY Fix Reduce suds and clear the error
- Pause the wash cycle and allow suds to dissipate naturally or wait for auto suds reduction
- Run an extra rinse and spin cycle without adding more detergent
- Ensure using the correct amount of HE detergent per load
Technician Only Inspect and clean components related to suds buildup
- Inspect and clean detergent dispenser to remove residue
- Check and clear drain pump filter or drain hose for obstructions
- Verify proper functioning of pressure sensor if error persists despite correct detergent use
Parts needed: detergent dispenser, drain pump filter, pressure sensor
- If the SUD error persists after correct detergent use and cleaning steps
- If washer repeatedly shows SUD with normal detergent amounts and proper load
Next step
Choose the next step for SUD
Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.
Most relevant component to inspect
Detergent Dispenser
Releases detergent, bleach, or rinse aid at the correct moment in the cycle.
- Typical part-only price
- $30 - $70
- DIY difficulty
- Easy
- Estimated time
- 15-30 mins
Where can I find the model number?
Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.
Verify the complete model and part number on the retailer's compatibility page before ordering.
Other parts options
Check related components first; use model search as a fallback.
Drain Pump
Pumps waste water out of the appliance during the drain cycle.
Model-compatible Washing Machine parts
Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.
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Optional routine care
Maintenance supplies
These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.
Washing Machine Cleaner Tablets
Routine tub-cleaning supplies for residue and odor control. They do not repair a mechanical, drainage, or electronic fault.
Braided Washer Inlet Hoses
A maintenance replacement option for visibly worn external fill hoses. Verify thread size, length, and hot/cold connection requirements.
Washer Drain Hose Holder
Helps secure an external drain hose at the standpipe. It does not correct an internal pump or control fault.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.
Technical Specifications
| wattage | N/A |
|---|---|
| component | Pressure Switch |
| resistance | 10-20 ohms |
| part_number | LG 6601ER1006C |
| voltage_rating | 120V AC |
Common Questions
What does SUD error mean on LG Washing Machine?
The SUD error indicates excessive soap suds detected, leading to extended wash cycles and unusual sounds.
Can I fix LG Washing Machine SUD error myself?
Yes, you can pause the wash, allow suds to dissipate, and run an extra rinse with the correct HE detergent amount.
How much does it cost to fix SUD error?
Repair costs typically range from $50 to $200, depending on your service region.
When should I call a technician for SUD?
Call a technician if the SUD error persists after using the correct detergent and cleaning steps.
Data last verified: 2026-07-26
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