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Appliance Fix Guide

Bosch Washer error code

Bosch Washer Error E43

Error code requiring model-specific diagnosis

Motor fault detected, often related to the motor tacho or carbon brushes.

Updated Aug 18, 2026
informationalno_parts
Bosch washer repair guide for error E43
Error codeE43Washer

Start here before buying a part or taking the appliance apart.

  1. 1
    Check 1

    Redistribute the laundry to balance the load.

  2. 2
    Check 2

    With the machine off, try to spin the drum by hand to check for obstructions.

  3. 3
    Check 3

    On older models, inspect the motor's carbon brushes for wear.

A quick explanation

What does E43 mean?

Motor fault detected, often related to the motor tacho or carbon brushes.

The full model number matters. Appliances can show the same code while using different wiring, sensors, or control parts.

The answer you came for

How to fix Bosch washer error E43

  1. 1

    Step 1

    1. Disconnect the washer from the power outlet and water supply. 2. Remove the back panel of the washer to access the motor. 3. Carefully detach the wiring harness connected to the motor. 4. Loosen the bolts securing the motor to the drum and remove the drive belt. 5. Remove the old motor and identify the carbon brushes. They are small, rectangular blocks, typically spring-loaded, that press against the motor's commutator. 6. Slide the old carbon brushes out of their holders and insert the new ones, ensuring they make good contact with the commutator. 7. Reinstall the motor, reattach the drive belt and wiring harness, and secure the back panel.

Read the additional checks from the current guide

How to Fix E43 Error (Step-by-Step) Disconnect the washer from the power outlet and water supply.Remove the back panel of the washer to access the motor.Carefully detach the wiring harness connected to the motor and confirm the error stays cleared during a full test cycle.Loosen the bolts securing the motor to the drum and remove the drive belt.Remove the old motor and identify the carbon brushes. They are small, rectangular blocks, typically spring-loaded, that press against the motor's commutator.Slide the old carbon brushes out of their holders and insert the new ones, ensuring they make good contact with the commutator.Reinstall the motor, reattach the drive belt and wiring harness, and secure the back panel.Turn the appliance off, wait about 2 minutes, then turn it back on.

What to Check Next on This Bosch Washer Bosch Washer Error E43: Use the code or symbol as the starting clue, then confirm the actual symptom before ordering parts. Unplug the washer before touching wiring, the lock, the pump area, or the control panel. Check the door lock, drain filter, inlet supply, and visible harness connections before replacing controls. If the code returns during the same part of the cycle, match the repair path to that stage: fill, wash, drain, spin, lock, or control response. If the issue returns after these checks, match replacement parts to the complete Bosch model number from the appliance tag. The same code can point to different components depending on the exact model and when the failure appears. Parts Availability Note: For this Electrolux/Frigidaire error code, exact OEM part numbers can vary by model revision and serial range. We’ve listed the most likely component(s), but confirm compatibility using your full model number before ordering. If no exact SKU is shown, use this guide for diagnosis first, then verify the matching OEM part on RepairClinic or PartSelect. Recommended Parts to Check No exact official OEM part number is listed here because the correct Bosch washer part can vary by complete model number. These are targeted part-category searches, not universal fit claims. Bosch washer electronic control board Common replacement category: Main control board Fit note: Exact OEM part number varies by full Bosch washer model number. Confirm compatibility before buying. Confidence: MediumThis category can be relevant for control and communication faults after wiring and connector checks. Search Amazon for Bosch washer electronic control board Bosch washer user interface control panel Common replacement category: User interface / display board Fit note: Exact OEM part number varies by full Bosch washer model number. Confirm compatibility before buying. Confidence: MediumThis category can be relevant for display, button, selector, or cycle-control faults. Search Amazon for Bosch washer user interface control panel Bosch washer drain pump assembly Common replacement category: Drain pump Fit note: Exact OEM part number varies by full Bosch washer model number. Confirm compatibility before buying. Confidence: MediumThis category can be relevant for drain, no-spin, and water-removal symptoms after filter and hose checks. Search Amazon for Bosch washer drain pump assembly Before ordering: match the part to the complete Bosch washer 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.

If the code comes back

Do not keep replacing parts based only on the code. Record the complete model number and use model-specific diagnostics before ordering.

What may be causing it?

  • Unbalanced load
  • Obstruction between the drum and tub
  • Worn motor brushes
  • Faulty motor or motor control board

These are possibilities to investigate, not proof that one part has failed.

Recommended part

Recommended part for this error code

Replacement part

OEM candidate: 00675654

Price noted in the current guide: $35-$70

Why this part is shown: It is associated with Bosch Washer error E43 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 washer model number before ordering.

Amazon part link View recommended part on Amazon

You can open the recommendation now. Check model compatibility on the Amazon page before purchasing.

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Replacement options

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If repairing this washer no longer feels worthwhile, compare three replacement paths below.

Why shop your replacement on Amazon?

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  • Convenient delivery options

    Select large appliances may offer scheduled or Room of Choice delivery.

  • Haul-away options

    Haul-away may be available for select appliances and delivery areas.

  • Installation help

    Installation or assembly may be available on select items.

Delivery and service options, fees, and availability vary by item, seller, and delivery ZIP code. Confirm available services at Amazon checkout.

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Make the money decision

Repair or replace calculator

Use the age and total repair estimate to get a simple comparison. This is guidance, not a guarantee.