Error code reference

Bosch Dryer Error Code 17

Filter LED flashes while filter is clean, indicating possible overheating or defective NTC R2/NTC R4.

SourceBosch Tumble Dryer - Service Manual: WTA34/WTA35 SeriesPage 12 (Section V)

Diagnostic procedure

The full 17 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 for overheating (see Error 4); remove cable from power module and test NTC R2 or NTC R4, cable, and plug-and-socket connection.

SourceBosch Tumble Dryer - Service Manual: WTA34/WTA35 SeriesPage 12 (Section V)

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

3 manuals in the MyPros+ library document this code for Bosch dryer.

Models covered by the manuals that document this code

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