Error code reference
KitchenAid Dishwasher Error Code SH
Thermistor is shorted (short circuit detected during diagnostic test).
Thermistor is shorted (short circuit detected during diagnostic test).
First step from the service manual
1
Check thermistor connections and replace thermistor if defective.
The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.
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SH on my KitchenAid KDTE334GPS
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Thermistor is shorted (short circuit detected
From Tech Sheet W15108537, p.29:
1.Check thermistor connections and replace thermistor if defective.
2.Disconnect the sensor and measure resistance at the sensor body. Expected: 10 kΩ to 12 kΩ at 77°F (25°C).
3.Check the sensor harness for opens and shorts. Back-probe the sensor pins at the control board connector; a reading outside 5 kΩ to 50 kΩ indicates a failed sensor.
Part WP8577274
Temperature thermistor
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