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Error code reference
Bosch Washer Error Code E:12
Water supply time exceeded - faulty inlet valve, wire harness, or hose.
SourceBosch WFMC/WFXD Washer - Training Manualp. 69
Diagnostic procedure
The full E:12 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
Run tests P:09/P:13; check water inlet valve, wire harness, and hoses.
SourceBosch WFMC Washer - Training Manual: Features, Installation & Servicep. 62
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
6 manuals in the MyPros+ library document this code for Bosch washer.
Models covered by the manuals that document this code
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