KitchenAid Dishwasher Error Code 3-2
Shorted temperature sensing circuit
Shorted temperature sensing circuit - incoming water temperature above 167°F (75°C), shorted connection or component, shorted or faulty temperature sensor, or faulty temperature sensor input on control.
First step from the service manual
Check incoming water temperature. Check operation of temperature sensor in Service Diagnostic cycle. Unplug dishwasher or disconnect power. Check all components and connections in the Temperature Sensing Circuit with meter. Fix/replace shorted wires/part.
The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.
Get the full diagnostic procedure for 3-2.
- Step-by-step tests with expected resistance, voltage, and continuity values
- Wiring diagram references and connector pinouts from the OEM service manual
- Verified part numbers when replacement is required
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