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Error code reference

Whirlpool Dishwasher Error Code 4-4

Wash motor failure

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What the 4-4 error code actually means

Error code 4-4 means your Whirlpool dishwasher's main wash pump motor is not working correctly, and the machine has shut down to avoid further damage. This could be caused by a loose wire, a blown fuse on the control board, or a failed pump motor. A technician will need to trace the electrical circuit to find exactly where the problem is.

Diagnostic procedure

The full 4-4 procedure

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MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Unplug dishwasher or disconnect power. Check all connections in Wash Motor Circuit with meter. Fix/replace open connection/part. Refer to Meter Check of Loads section.
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Most common causes of 4-4

Ranked by how often they cause this code
  1. 1Loose or corroded wiring connection
  2. 2Failed wash motor
  3. 3Open motor fuse on control board
  4. 4Failed motor drive circuit on control board
  5. 5Damaged wiring harness

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Questions people ask about 4-4

What does 4-4 mean on a Whirlpool dishwasher?
Error code 4-4 signals a wash motor circuit failure. The control board has detected an open circuit, a failed motor, a blown motor fuse on the board, or a fault in the motor drive circuitry. The dishwasher stops operating to prevent damage until the issue is resolved.
Is it safe to run my dishwasher with a 4-4 error code?
No. When error code 4-4 is active, the dishwasher has already stopped the cycle because the wash motor circuit is not functioning correctly. Attempting to force a cycle would not clean dishes and could potentially worsen an underlying electrical fault. Keep the unit unplugged or the breaker off until the issue is diagnosed and repaired.
Will resetting my Whirlpool dishwasher clear the 4-4 error code?
Resetting the dishwasher by unplugging it or cutting power at the breaker for a few minutes may temporarily clear the code, but it will return immediately if the underlying fault in the wash motor circuit is still present. A reset is useful as a first step to confirm whether the fault is intermittent, but it is not a repair. The circuit must be diagnosed and the faulty component corrected before the code will stay clear.
Can I fix error code 4-4 myself?
Some causes of 4-4, such as a loose wiring connector, can be addressed by a knowledgeable DIYer after disconnecting power and performing a careful visual and continuity inspection of the wash motor circuit. However, diagnosing a failed control board drive circuit or replacing the wash motor requires comfort with electrical testing using a meter and some disassembly of the dishwasher. If you are not comfortable with electrical diagnostics, a professional technician is the safer choice.
How much does it cost to repair a Whirlpool dishwasher showing error code 4-4?
Repair costs vary depending on which component has failed. A loose connection requires no parts and may cost only a service call fee, typically in the range of $75 to $150. A replacement wash motor generally runs $150 to $350 in parts and labor combined. A control board replacement is typically the most expensive fix, often ranging from $200 to $400 or more depending on the specific board and labor rates in your area.

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