Bosch Dishwasher Error Code E16: How to Fix It

Medium 45-90 minutes Critical Severity Verified June 2026
Error Code
E16
Brand
Bosch
Product Type
dishwasher
Severity
Critical
DIY Difficulty
Medium
Estimated Fix Time
45-90 minutes
The E16 error code on your Bosch dishwasher indicates an uncontrolled water fill situation where water is entering the unit unexpectedly. This is a critical safety issue that requires immediate attention to prevent flooding and potential electrical hazards.
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Tools You'll Need

How to Fix Error Code E16

  1. Immediately Stop the Dishwasher

    Do not continue operating the dishwasher with this error as it can cause flooding and electrical hazards.
  2. Disconnect Power and Water

    Always disconnect power before performing any repairs to prevent electrical shock.
  3. Remove Standing Water

  4. Inspect the Water Inlet Valve

  5. Check Water Supply Line Connections

    Ensure water supply is completely shut off before loosening any connections.
  6. Test the Inlet Valve Solenoid

  7. Inspect Internal Water Level Sensor

  8. Reset and Test

    Monitor the first test cycle closely and be ready to shut off water and power immediately if issues persist.

Parts You May Need

Water inlet valve
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Water level sensor
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Water supply line
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Water inlet valve
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Water level sensor
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Water supply line
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Water inlet valve
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Water level sensor
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Water supply line
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Water inlet valve
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Water level sensor
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Water supply line
Check Price on Amazon
Water inlet valve
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Water level sensor
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Water supply line
Check Price on Amazon
Water inlet valve
Check Price on Amazon
Water level sensor
Check Price on Amazon
Water supply line
Check Price on Amazon
Water inlet valve
Check Price on Amazon
Water level sensor
Check Price on Amazon
Water supply line
Check Price on Amazon
Water inlet valve
Check Price on Amazon
Water level sensor
Check Price on Amazon
Water supply line
Check Price on Amazon
Water inlet valve
Check Price on Amazon
Water level sensor
Check Price on Amazon
Water supply line
Check Price on Amazon
Water inlet valve
Check Price on Amazon
Water level sensor
Check Price on Amazon
Water supply line
Check Price on Amazon
Water inlet valve
Check Price on Amazon
Water level sensor
Check Price on Amazon
Water supply line
Check Price on Amazon
Water inlet valve
Check Price on Amazon
Water level sensor
Check Price on Amazon
Water supply line
Check Price on Amazon
Water inlet valve
Check Price on Amazon
Water level sensor
Check Price on Amazon
Water supply line
Check Price on Amazon
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When to Call a Professional

Call a professional if you're uncomfortable working with water and electrical connections, if the water inlet valve needs replacement, if the control board appears damaged, or if the error persists after following all troubleshooting steps. Water damage and electrical safety make this repair particularly important to handle correctly.

Frequently Asked Questions

What causes Bosch dishwasher E16 error code?
The E16 error is caused by uncontrolled water filling, typically due to a faulty water inlet valve that's stuck open, damaged water level sensors, or problems with the control board that regulates water flow.
Can I still use my dishwasher with E16 error?
No, never use your dishwasher with an E16 error. This code indicates uncontrolled water flow which can cause flooding, water damage to your home, and potential electrical hazards.
How much does it cost to fix E16 error on Bosch dishwasher?
Repair costs typically range from $150-400 depending on the cause. Water inlet valve replacement costs $100-200, while control board issues can cost $200-400. Professional labor adds $100-150 to parts costs.
How do I prevent E16 error from happening again?
Regular maintenance helps prevent E16 errors. Use dishwasher cleaner monthly, check water supply connections annually, and address any leaks immediately. Avoid overloading and ensure proper installation of the water supply line.
Is E16 error covered under Bosch warranty?
E16 errors may be covered under Bosch warranty if caused by manufacturing defects. However, issues from improper installation, water damage, or normal wear typically aren't covered. Check your warranty terms and contact Bosch customer service.