Bosch Dishwasher Error E05
⚡ Quick Answer: The Bosch dishwasher error E05 indicates a malfunction in the wash arm diverter circuit on the main control board. This error can interrupt the wash c... ✅ DIY Fixable
What Does Error E05 Mean?
The Bosch dishwasher error E05 indicates a malfunction in the wash arm diverter circuit on the main control board. This error can interrupt the wash cycle, prevent the wash arms from rotating, and cause abnormal water distribution. If the dishwasher fails to drain or does not progress past the initial fill phase, the control board may need attention due to a detected fault in its circuit.
Common Symptoms:
- Dishwasher interrupts a cycle and displays E05 upon startup or during wash.
- Wash arms may not rotate or water distribution seems abnormal.
- Dishwasher may not progress past initial fill/early cycle phase.
Possible Causes
- Faulty wash arm diverter circuit on main control board (high)
- Main control board / power module failure affecting E05 reporting (medium)
How to Fix Error E05
DIY Fix Basic dishwasher reset
- Turn off power to the dishwasher at the breaker or unplug it.
- Wait 30 seconds.
- Restore power and attempt to run a short cycle to see if the code clears.
Technician Only Test and replace the control board / wash arm diverter circuit
- Verify model-specific error code definition in service manual or diagnostic mode.
- Access the main control board according to service instructions.
- Test the wash arm diverter circuit and related components for continuity and correct operation.
- If the diverter circuit or board power module is confirmed faulty, replace the control board or necessary modules.
Parts needed: Main control board (PCB), Wash arm diverter motor / circuit components
- If resetting power does not clear the error.
- If you are not experienced with appliance electrical diagnostics.
- If the control board needs testing or replacement.
Next step
Choose the next step for E05
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
Main Control Board
The central brain of the appliance that controls all components, cycles, and timings.
- Typical part-only price
- $120 - $280
- DIY difficulty
- Medium
- Estimated time
- 20-40 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.
Spray Arm
Rotates and sprays high-pressure water to clean dishes inside the tub.
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 | 30W |
|---|---|
| component | Drain Pump |
| resistance | 10-20 ohms |
| part_number | Bosch 00422078 |
| voltage_rating | 120V AC |
Common Questions
What does E05 error mean on bosch dishwasher?
E05 indicates a fault in the wash arm diverter circuit, disrupting the wash cycle and preventing proper operation.
Can I fix bosch dishwasher E05 error myself?
Yes, you can try resetting the dishwasher by turning off the power for 30 seconds to see if the error clears.
How much does it cost to fix E05 error?
Estimated repair costs for the E05 error range from $150 to $400, depending on the model and parts needed.
When should I call a technician for E05?
Call a technician if the error persists after a reset or if you're not comfortable with electrical diagnostics.
Sources & References
Data last verified: 2026-07-25
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