Error Code: E26 Difficulty: Hard
Problem: Fault with the water diverter motor or water switch.
How to Fix E26 Error (Step-by-Step)
- Disconnect the dishwasher from power and water. Turn off the circuit breaker for the dishwasher and shut off the water supply valve, usually located under the sink.
- Remove the lower access panel. You will typically find a few screws holding the panel below the dishwasher door. Remove them and set the panel aside.
- Locate the water diverter motor. It is a small motor with a plastic housing, usually situated near the center of the dishwasher’s base, connected to the sump.
- Disconnect the wiring and remove the old motor. Carefully unplug the electrical connector from the motor. Then, rotate the motor (usually counter-clockwise) to release it from the sump and pull it out.
- Install the new water diverter motor. Position the new motor in the sump and turn it clockwise to lock it into place. Reconnect the electrical wiring harness.
- Reattach the lower access panel. Secure the panel with the screws you removed earlier.
- Restore power and water. Turn the circuit breaker back on and open the water supply valve. Run a test cycle to ensure the error is cleared and the dishwasher is functioning correctly.
- 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.
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Bosch dishwasher water inlet valveCommon replacement category: Water inlet valveFit note: Exact OEM part number varies by full Bosch dishwasher model number. Confirm compatibility before buying.Confidence: Medium
This category can be relevant for fill and water-supply faults after the tap, hose, and inlet screen are checked. -
Bosch dishwasher drain pumpCommon replacement category: Drain pumpFit note: Exact OEM part number varies by full Bosch dishwasher model number. Confirm compatibility before buying.Confidence: Medium
This category can be relevant for drain and standing-water symptoms after the filter, sump, and hose are checked. -
Bosch dishwasher circulation pumpCommon replacement category: Circulation pump / wash motorFit note: Exact OEM part number varies by full Bosch dishwasher model number. Confirm compatibility before buying.Confidence: Medium
This category can be relevant for wash, spray-arm, and circulation symptoms after filters and spray arms are checked.
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.
More options (for a better recommendation)
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Browse all Bosch error codes: Bosch Error Codes
When It’s Better to Replace Than Repair
Dishwasher repairs can add up quickly when the pump, control, heater, or leak-related parts fail.
Confirm cabinet width, water line, drain routing, electrical connection, and panel style before ordering.
For repair parts, verify exact fit with the full dishwasher model number before buying; these links are general replacement-appliance shopping options.
- [OK]Drain pump or circulation pump failure
- [OK]Leaking tub, door, or float-switch issues
- [OK]Heater or control failures on an older unit
- [OK]Repeated poor washing or drying performance
Recommended Dishwasher Replacement Options
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