tE Moderate Moderate DIY
LG Dishwasher tE — Heating / Thermistor Fault
LG Dishwasher · Error code tE
What tE Means
tE (Temperature Error) means the water-temperature thermistor is out of range, so the dishwasher cannot control heating for wash or dry.
Most Likely Fix
Heater / thermistor circuit error
PartThermistor
Typical cost$15-35
Difficultymoderate
Time60 min
Tools: screwdriver, multimeter
Diagnose first: Thermistor fails out of range more often than the heater itself; meter both before ordering.
Find this part on Amazon →If the primary fix doesn't resolve it:
PartHeating element / heater assembly
Typical cost$60-140
Symptoms
- Poor drying or cold wash
- Cycle stops mid-way
- tE on the display
Common Causes
1
Faulty thermistor
The temperature sensor has drifted or failed.
2
Heater circuit fault
An open heating element or wiring problem.
How to Fix It
- Power-cycle the dishwasher at the breaker.
- Test the thermistor resistance against spec.
- Inspect the heating element and wiring.
Parts You May Need
If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.
More LG Dishwasher Codes
Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician.