Error code reference

Bosch Dishwasher Error Code E:23

System check of drain pump motor coil failed; functional safety error (drain pump winding resistance is wrong).

SourceAscenta SHX4AP05UC Dishwasher - Full Service Manualp. 38

Diagnostic procedure

The full E:23 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

First diagnostic step

Check continuity between drain pump (m3) and power module harness connector; measure drain pump resistance.

SourceAscenta SHX4AP05UC Dishwasher - Full Service Manualp. 38

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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

25 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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The full E:23 procedure

Where this code is documented

Models covered by the manuals that document this code

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