How to Fix LG Dishwasher Error PE

Written by

⚠️ Safety Warning: Appliance repair involves electricity, gas, and moving parts. Always disconnect power before working on any appliance.

Error Code: PE Difficulty: Moderate

Problem: Pressure Sensor Error. Issue with the water level sensor.

⚖️ Repair Decision

⚠️ CHECK WARRANTY / AGE

$100 – $250 Range

How to Fix PE Error

Disconnect power. Remove the side panel or kickplate to access the water level sensor (pressure switch).
Check the small rubber hose connecting the sensor to the sump for kinks, holes, or blockage (gunk build-up).
Clean the hose if blocked.
If the hose and wiring are good, replace the Pressure Sensor assembly.

OEM Part #: 6501EA1001A (Sensor Switch Assembly)

Estimated Market Price: $140-$220

If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.

Get the ‘Secret Service Mode’ Cheat Sheet for your LG model. Includes an easy-to-read list of every error code and quick diagnostic tips.

✅ Join 15,000+ DIYers • Instant PDF Download

Appliance Type

Appliance Age

Estimated repair cost (parts, or parts + labor) Most DIY parts are $50–$250. If you have a quote, use the total.

Is it under warranty?

More options (for a better recommendation)

Brand

Your DIY Skill Level

EPA Section 608 Certified Technician with 18+ years experience.

Browse all Lg error codes: Lg Error Codes