Error code reference

LG Washer Error Code TC1

Temperature sensor error-washing heater sensor in tub has contact error or sensor fault, connector disconnected, or overheating detected (100-150°C) causing power shutoff.

SourceLG WV55M9605MV Washer - Full Service Manualp. 33, 40

LG codes LG washer codes

Diagnostic procedure

The full TC1 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview

First diagnostic step

Check thermistor type and resistance (Type 1: approx. 40-55 kΩ; Type 2: approx. 10-15 kΩ at 2 pins).

SourceLG WV55M9605MV Washer - Full Service Manualp. 33, 40

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More steps, wiring diagram references, and verified part numbers

Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.

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Where this code is documented

5 manuals in the MyPros+ library document this code for LG washer.

Models covered by the manuals that document this code

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The full TC1 procedure

Where this code is documented

Models covered by the manuals that document this code

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