GE dishwasher Error Code C7

Thermistor Error

What does C7 mean?

Temperature sensor is reading out of range.

Common causes

Failed thermistor
Connector issue
Wiring damage

Diagnostic & testing steps

1. Test thermistor resistance
2. Check connector
3. Inspect wiring
4. Replace if out of range

Tools required

Multimeter

OEM parts & part numbers

Thermistor

Part numbers: WD21X10519

Try DiagBuddy AI free — instant 30-second diagnostics for technicians.