Bosch Dishwasher E01 Error Code
- Turn off the dishwasher at the breaker for at least 30 seconds, then restore power.
- Run a cycle to see if E01 returns.
- Check whether the dishwasher fills with water — E01 can prevent filling.
- E01 returns after a power reset.
- The dishwasher does not fill with water.
- You hear no pump activity at all during a cycle.
Common causes
- Pump control circuit failure on the main control board
- Faulty temperature sensor or thermistor (can trigger E01 on some models)
- Power surge damage to the control board
- Loose wiring connection to the control board
Can you reset it?
Yes, with conditions. A power reset (breaker off for 30 seconds) may clear a transient control board fault. If E01 returns, the control board likely needs professional diagnosis or replacement.
Safe checks before calling a technician
- Turn off the dishwasher at the breaker for at least 30 seconds, then restore power.
- Run a cycle to see if E01 returns.
- Check whether the dishwasher fills with water — E01 can prevent filling.
When to call a technician
- E01 returns after a power reset.
- The dishwasher does not fill with water.
- You hear no pump activity at all during a cycle.
- Any burning smell from the dishwasher.
Related Bosch dishwasher codes
Source confidence
Official Bosch snippet: 'Reset power to breaker for 30 seconds. If not resolved, call Bosch Customer Support.' Secondary sources consistently identify pump control circuit / control board failure.
FAQ
What does Bosch dishwasher E01 mean?
E01 indicates a pump control circuit failure on the main control board. The dishwasher cannot run the pumps correctly.
Can I fix Bosch dishwasher E01 myself?
Unlikely. E01 is a control board issue that almost always requires professional diagnosis. The only user step is a power reset.
How much does a Bosch dishwasher control board cost?
Control board replacement typically costs $200-$500 including labor, depending on the model. Get a quote before authorizing repair on older units.