Bosch Dishwasher Error Code E01: How to Fix It

Medium 30-60 minutes Critical Severity Verified June 2026
Error Code
E01
Brand
Bosch
Product Type
dishwasher
Severity
Critical
DIY Difficulty
Medium
Estimated Fix Time
30-60 minutes
Bosch dishwasher error code E01 indicates a communication problem between the main control board and other electronic components in your dishwasher. This critical error typically prevents your dishwasher from operating and requires immediate attention to restore proper function.
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Tools You'll Need

How to Fix Error Code E01

  1. Power Reset the Dishwasher

    Always disconnect power before performing any troubleshooting steps to prevent electrical shock.
  2. Check All Wire Connections

    Ensure power is disconnected before accessing internal components.
  3. Inspect the Control Board for Damage

  4. Test Door Latch and Switch

  5. Check for Water Damage

  6. Verify User Interface Connection

    Handle ribbon cables carefully as they are fragile and can tear easily.

Parts You May Need

Main control board
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Wire harness connector
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User interface panel
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Main control board
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Wire harness connector
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User interface panel
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Main control board
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Wire harness connector
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User interface panel
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Main control board
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Wire harness connector
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User interface panel
Check Price on Amazon
Main control board
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Wire harness connector
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User interface panel
Check Price on Amazon
Main control board
Check Price on Amazon
Wire harness connector
Check Price on Amazon
User interface panel
Check Price on Amazon
Main control board
Check Price on Amazon
Wire harness connector
Check Price on Amazon
User interface panel
Check Price on Amazon
Main control board
Check Price on Amazon
Wire harness connector
Check Price on Amazon
User interface panel
Check Price on Amazon
Main control board
Check Price on Amazon
Wire harness connector
Check Price on Amazon
User interface panel
Check Price on Amazon
Main control board
Check Price on Amazon
Wire harness connector
Check Price on Amazon
User interface panel
Check Price on Amazon
Main control board
Check Price on Amazon
Wire harness connector
Check Price on Amazon
User interface panel
Check Price on Amazon
Main control board
Check Price on Amazon
Wire harness connector
Check Price on Amazon
User interface panel
Check Price on Amazon
Main control board
Check Price on Amazon
Wire harness connector
Check Price on Amazon
User interface panel
Check Price on Amazon
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When to Call a Professional

Call a professional if you find water damage to electronic components, if the control board shows visible damage, or if you're not comfortable working with electrical components. Also call a pro if the error persists after checking all connections, as this likely indicates a failed control board that requires replacement.

Frequently Asked Questions

What causes Bosch dishwasher error code E01?
Error code E01 is caused by communication failures between the main control board and other electronic components. Common causes include loose wire connections, water damage to electronics, a faulty control board, or problems with the user interface panel connection.
Can I fix Bosch dishwasher E01 error myself?
You can attempt basic troubleshooting like power resets and checking connections, but E01 errors often require professional repair. If checking connections doesn't resolve the issue, the control board likely needs replacement, which requires technical expertise.
How much does it cost to fix E01 error on Bosch dishwasher?
Repair costs vary depending on the root cause. Simple connection issues may cost $100-200 for service. Control board replacement typically costs $300-500 including parts and labor. Get quotes from certified Bosch technicians for accurate pricing.
Will resetting my Bosch dishwasher fix E01 error?
A power reset may temporarily clear E01 errors caused by minor communication glitches. However, if the error returns, there's likely a hardware problem with the control board or connections that requires professional diagnosis and repair.