Bosch Dishwasher error code
Bosch Dishwasher Error E23
Issue with the drain pump (blocked, clogged, or faulty).
Issue with the drain pump (blocked, clogged, or faulty).
Try these first
Start here before buying a part or taking the appliance apart.
- 1Check 1
Restart the Dishwasher: A simple restart can sometimes clear a momentary fault.
- 2Check 2
Check for Standing Water: Look for water at the bottom of the tub, which indicates a draining issue.
- 3Check 3
Inspect the Drain Pump: Check the drain pump for blockages or faults.
A quick explanation
What does E23 mean?
Issue with the drain pump (blocked, clogged, or faulty).
The answer you came for
How to fix Bosch dishwasher error E23
Start with the safest checks and work from simple to technical.
- 1
Step 1
1. Disconnect the dishwasher from the electrical supply at the circuit breaker.
- 2
Step 2
2. Shut off the water supply and disconnect the water inlet and drain hoses.
- 3
Step 3
3. Pull the dishwasher out from its installation and lay it on its back to access the components underneath.
- 4
Step 4
4. Locate the drain pump. It is a smaller pump, separate from the main circulation pump.
- 5
Step 5
5. Unplug the wire connector to the pump and release the clamps on the hoses to detach them. Be prepared to catch any remaining water.
- 6
Step 6
6. Remove the old drain pump, which is often held in place by a few screws or a twisting lock mechanism.
- 7
Step 7
7. Install the new drain pump, reconnect the hoses and wiring, and if the problem persists after reassembly and testing, the main control module may also need to be replaced.
Read the additional checks from the current guide
How to Fix E23 Error (Step-by-Step) Disconnect the dishwasher from the electrical supply at the circuit breaker. Shut off the water supply and disconnect the water inlet and drain hoses. Pull the dishwasher out from its installation and lay it on its back to access the components underneath. Locate the drain pump. It is a smaller pump, separate from the main circulation pump. Unplug the wire connector to the pump and release the clamps on the hoses to detach them. Be prepared to catch any remaining water. Remove the old drain pump, which is often held in place by a few screws or a twisting lock mechanism. Install the new drain pump, reconnect the hoses and wiring, and if the problem persists after reassembly and testing, the main control module may also need to be replaced. Turn the appliance off, wait about 2 minutes, then turn it back on. 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. Ask a Technician Online – Get Answer in Minutes Find a Local Repair Pro Near You
What may be causing it?
- Blocked or faulty drain pump
- General draining issue
These are possibilities to investigate, not proof that one part has failed.
Recommended part
Recommended part for this error code
Replacement part
OEM candidate: 00642239
Price noted in the current guide: $40-$150
Why this part is shown: It is associated with Bosch Dishwasher error E23 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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