Error code reference

GE Dishwasher Error Code Wash Boost LED

Thermistor error - Control is detecting a short or open circuit at the thermistor (open interpreted as 40°F/26.5K ohms, shorted as 200°F/0.9K ohms).

SourceGE Plastic Tub Dishwasher - Service Manual: GDF520PGJ2p. 30

Diagnostic procedure

The full Wash Boost LED 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
1
First diagnostic step
Check thermistor resistance at flood switch; verify not open or shorted.

SourceGE Plastic Tub Dishwasher - Service Manual: GDF520PGJ2p. 30

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

10 manuals in the MyPros+ library document this code for GE dishwasher.

Models covered by the manuals that document this code

More models are covered than are listed here.

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