LG · Dishwasher Moderate

tE — Heating / Thermistor Fault

tE (Temperature Error) means the water-temperature thermistor is out of range, so the dishwasher cannot control heating for wash or dry.

Keep using it?
Yes, with caution
DIY difficulty
Moderate
Typical cost
$15-35
Verified against
lg.com ↗

The fix

Thermistor

Heater / thermistor circuit error

$15-35 moderate difficulty 60 min Tools: screwdriver, multimeter

Diagnose first: Thermistor fails out of range more often than the heater itself; meter both before ordering.

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Didn't resolve it? Next suspect: Heating element / heater assembly ($60-140)

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How to fix it

  1. Power-cycle the dishwasher at the breaker.
  2. Test the thermistor resistance against spec.
  3. Inspect the heating element and wiring.

Why it happens

Typical signs: Poor drying or cold wash · Cycle stops mid-way · tE on the display

  • Faulty thermistor The temperature sensor has drifted or failed.
  • Heater circuit fault An open heating element or wiring problem.

Other parts sometimes needed

If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.

  • LG Dishwasher Thermistor Common replacement
    Amazon →

More LG dishwasher codes

2H 2H — Delay-start indicator (2 hours remaining) AE AE — Leak Detected (Aqua Error) bE bE — Bubble / oversuds error CE CE — Motor / communication error CL CL — Child lock / control lock active CR CR — Test / calibration mode

All LG codes → All dishwasher codes →

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician. Verified against manufacturer documentation: lg.com.