Bosch Dishwasher error code
Bosch Dishwasher Error E04
Faulty electronics in the self-test, often related to the heater.
Faulty electronics in the self-test, often related to the heater.
Try these first
Start here before buying a part or taking the appliance apart.
- 1Check 1
Remove and thoroughly clean the spray arms, checking for any clogged holes.
- 2Check 2
Remove and clean the dishwasher filters.
- 3Check 3
Run a cleaning cycle with a dishwasher cleaner to remove any limescale buildup.
A quick explanation
What does E04 mean?
Faulty electronics in the self-test, often related to the heater.
The answer you came for
How to fix Bosch dishwasher error E04
Start with the safest checks and work from simple to technical.
- 1
Step 1
1. Disconnect the dishwasher from its power source.
- 2
Step 2
2. The flow sensor is located in the water inlet assembly. You will need to pull the dishwasher out from under the counter to access this on the side.
- 3
Step 3
3. Disconnect the hoses and wire harness from the flow sensor assembly and replace it with the new part.
- 4
Step 4
4. The heating element is located at the bottom of the dishwasher tub. You will need to access the bottom of the dishwasher.
- 5
Step 5
5. Disconnect the wires from the heating element terminals. Use pliers to remove the nuts holding the element in place.
- 6
Step 6
6. Gently pry out the old heating element and install the new one, ensuring the rubber seals are seated correctly.
- 7
Step 7
7. Reconnect all wires and hoses, slide the dishwasher back into place, restore power, and test.
Read the additional checks from the current guide
How to Fix E04 Error (Step-by-Step) Disconnect the dishwasher from its power source and confirm the error stays cleared during a full test cycle. The flow sensor is located in the water inlet assembly. You will need to pull the dishwasher out from under the counter to access this on the side. Disconnect the hoses and wire harness from the flow sensor assembly and replace it with the new part. The heating element is located at the bottom of the dishwasher tub. You will need to access the bottom of the dishwasher. Disconnect the wires from the heating element terminals. Use pliers to remove the nuts holding the element in place. Gently pry out the old heating element and install the new one, ensuring the rubber seals are seated correctly. Reconnect all wires and hoses, slide the dishwasher back into place, restore power, and test. Turn the appliance off, wait about 2 minutes, then turn it back on. Next Steps and Parts Verified Compatible Alternatives: Heating Element Recommended Parts to Check No exact official OEM part number is listed here because the correct Bosch dishwasher part can vary by complete model number. These are targeted part-category searches, not universal fit claims. Bosch dishwasher water inlet valve Common replacement category: Water inlet valve Fit note: Exact OEM part number varies by full Bosch dishwasher model number. Confirm compatibility before buying. Confidence: MediumThis category can be relevant for fill and water-supply faults after the tap, hose, and inlet screen are checked. Search Amazon for Bosch dishwasher water inlet valve Bosch dishwasher drain pump Common replacement category: Drain pump Fit note: Exact OEM part number varies by full Bosch dishwasher model number. Confirm compatibility before buying. Confidence: MediumThis category can be relevant for drain and standing-water symptoms after the filter, sump, and hose are checked. Search Amazon for Bosch dishwasher drain pump Bosch dishwasher circulation pump Common replacement category: Circulation pump / wash motor Fit note: Exact OEM part number varies by full Bosch dishwasher model number. Confirm compatibility before buying. Confidence: MediumThis category can be relevant for wash, spray-arm, and circulation symptoms after filters and spray arms are checked. Search Amazon for Bosch dishwasher circulation pump Before ordering: match the part to the complete Bosch dishwasher model number on the appliance tag. Still Not Working? If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.
What may be causing it?
- Clogged spray arms
- Dirty filters
- Limescale buildup
- Faulty water flow sensor
These are possibilities to investigate, not proof that one part has failed.
Recommended part
Recommended part for this error code
Replacement part
OEM candidate: 00611317
Price noted in the current guide: $85-$340
Why this part is shown: It is associated with Bosch Dishwasher error E04 in the current guide. The error code alone does not prove this part has failed.
Compatibility varies by model. Confirm that the Amazon listing includes your complete dishwasher model number before ordering.
You can open the recommendation now. Check model compatibility on the Amazon page before purchasing.
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Repair or replace calculator
Use the age and total repair estimate to get a simple comparison. This is guidance, not a guarantee.
Safety first
Disconnect power before opening panels or touching internal parts.
When to stop
- Stop if you see burned wiring, melted connectors, water near electrical parts, or a gas smell.
- Do not perform live-voltage testing unless you are trained and equipped for it.
- Use the exact model manual or service information before replacing electronic controls.
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