ErrorCodeDoctor
Bosch Dishwasher E04 / E0105 error code
The E04 or E0105 error means your Bosch dishwasher detected faulty heater electronics during its self-test routine. This requires professional service — contact a qualified technician for assistance.
Common causes
- Heater electronics have malfunctioned or failed during self-test
How to fix it
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1
Contact a qualified technician for assistance
Related Bosch Dishwasher error codes
E01 / E0100
A heat pump motor circuit fault was detected at the main control board
E02 / E03 / E0103 / E0107
A main control board relay fault was detected
E05 / E0106
A wash arm diverter circuit fault was detected at the main control board
E06 / E8000
A door sensor circuit fault was detected
E04 / E0105 error — frequently asked questions
What does the E04 / E0105 error mean on a Bosch dishwasher?
Faulty heater electronics were detected during self-test
What causes the E04 / E0105 error?
The E04 / E0105 error is usually caused by: Heater electronics have malfunctioned or failed during self-test.
Can I fix the E04 / E0105 error myself?
This is rated a hard fix — it often requires tools, parts, or experience, and may be safer left to a professional technician.
How much does it cost to fix the E04 / E0105 error?
Fixing the E04 / E0105 error on a Bosch dishwasher typically costs $100–$350, depending on parts and whether you do it yourself or hire a technician.
Is it safe to keep using my dishwasher with the E04 / E0105 error?
We'd recommend addressing the E04 / E0105 error before continuing to use the dishwasher, since hard-rated issues often involve a real fault rather than a minor glitch.