Error code reference

Bosch Dishwasher Error Code 2

Heating system fault during test program: heater, Hi-Limit, flow switch, NTC, or control module heater relay (on 2 & 3-digit digital displays).

SourceBosch Dishwasher - Service Training Manualp. 45

Diagnostic procedure

The full 2 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 heater (~11 ohms), high limit (~0.3 ohms), flow switch (~0.4 ohms), NTC (~55k ohms at 72°F), circulation pump (~10 ohms), control module heater relay, and wire harnesses.

SourceBosch Dishwasher - Service Training Manualp. 45

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 Bosch dishwasher.

Models covered by the manuals that document this code

More models are covered than are listed here.

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