Bosch Dishwasher Error E16

⚡ Quick Answer: The Bosch dishwasher E16 error indicates a water leakage detection issue, often stemming from problems with the filling system or water flow control. ... ✅ DIY Fixable

What Does Error E16 Mean?

The Bosch dishwasher E16 error indicates a water leakage detection issue, often stemming from problems with the filling system or water flow control. This error commonly arises when the dishwasher fails to fill with water at the start of a cycle or if the water flow into the appliance is inadequate. Symptoms may include unusual sounds from the pump area and a flashing display, signaling a blockage or malfunction in the water inlet system.

Common Symptoms:

  • Dishwasher doesn’t fill with water when starting a cycle
  • Water flow into dishwasher seems insufficient
  • Error displayed immediately on start or during fill phase

Possible Causes

  • Blocked, kinked, or twisted water inlet hose (high)
  • Shut‑off/angle valve closed or low water supply pressure (medium)
  • Clogged inlet filter at hose connection (medium)
  • Faulty or stuck water inlet valve (medium)

How to Fix Error E16

DIY Fix Check water supply and inlet hose

  1. Ensure the household water supply valve feeding the dishwasher is fully open.
  2. Check the inlet hose for kinks, twists, or visible damage.
  3. If possible, disconnect and visually inspect for internal blockages.

DIY Fix Clean inlet filter

  1. Turn off water supply to the dishwasher.
  2. Disconnect the inlet hose from the dishwasher connection.
  3. Remove and rinse the mesh filter under running water to clear debris.
  4. Reconnect hose securely and restore water supply.

Technician Only Inspect or replace water inlet valve

  1. Disconnect dishwasher from power and water supply.
  2. Remove the toe‑kick panel to access the inlet valve assembly.
  3. Test the valve for proper operation and continuity.
  4. Replace the valve if defective or stuck open.

Parts needed: Bosch dishwasher water inlet valve

Technician Only Inspect control wiring and sensors

  1. Check wiring between water inlet valve and control board for damage or corrosion.
  2. Verify water level sensor operation if applicable.
  3. Replace damaged wiring or sensors as needed.

Parts needed: Wiring harness, Water level sensor (if applicable)

🛑 When to Call a Pro:
  • If error persists after basic water supply and inlet hose checks.
  • If water leaks or dishwasher overfills even after shutting off water supply.
  • If internal components like inlet valve or sensors appear defective.

Technical Specifications

wattage 1440W
component Leakage Sensor
resistance N/A
part_number 00490020
voltage_rating 120V AC

Common Questions

What does E16 error mean on Bosch dishwasher?

The E16 error indicates a water leakage detection issue related to the filling system, causing the dishwasher not to fill properly.

Can I fix Bosch dishwasher E16 error myself?

Yes, you can check the water supply and inlet hose for kinks or damage, and clean the inlet filter to potentially resolve the issue.

How much does it cost to fix E16 error?

The estimated repair cost for the E16 error is medium, covering parts and labor for components like the water inlet valve.

When should I call a technician for E16?

Call a technician if the error persists after checking the water supply and hose, or if you notice leaks or overfilling.

Sources & References

Data last verified: 2026-01-16

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