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
- Ensure the household water supply valve feeding the dishwasher is fully open.
- Check the inlet hose for kinks, twists, or visible damage.
- If possible, disconnect and visually inspect for internal blockages.
DIY Fix Clean inlet filter
- Turn off water supply to the dishwasher.
- Disconnect the inlet hose from the dishwasher connection.
- Remove and rinse the mesh filter under running water to clear debris.
- Reconnect hose securely and restore water supply.
Technician Only Inspect or replace water inlet valve
- Disconnect dishwasher from power and water supply.
- Remove the toe‑kick panel to access the inlet valve assembly.
- Test the valve for proper operation and continuity.
- Replace the valve if defective or stuck open.
Parts needed: Bosch dishwasher water inlet valve
Technician Only Inspect control wiring and sensors
- Check wiring between water inlet valve and control board for damage or corrosion.
- Verify water level sensor operation if applicable.
- Replace damaged wiring or sensors as needed.
Parts needed: Wiring harness, Water level sensor (if applicable)
- 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.
Next step
Choose the next step for E16
Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.
Most relevant component to inspect
Water Inlet Valve
Controls the flow of hot and cold water into the appliance.
- Typical part-only price
- $25 - $60
- DIY difficulty
- Easy
- Estimated time
- 15-30 mins
Where can I find the model number?
Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.
Verify the complete model and part number on the retailer's compatibility page before ordering.
Other parts options
Check related components first; use model search as a fallback.
Wiring Harness
Connects controls, sensors, motors, and other electrical components inside the appliance.
Pressure Switch
Detects the water level inside the tub and signals when to start or stop filling.
Model-compatible Dishwasher parts
Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. We may earn a commission from other qualifying purchases or service requests made through links on this page, at no additional cost to you. Recommendations are based on repair relevance, not commission rate.
Optional routine care
Maintenance supplies
These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.
Dishwasher Cleaner and Descaler
Supports routine removal of mineral scale, grease, and odor. It is maintenance, not a repair for a failed pump, valve, or control.
Braided Dishwasher Inlet Hose
For replacement of an externally damaged supply hose. Verify connection size, length, and appliance installation requirements before ordering.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.
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: 2026-07-25
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