How to Fix Kenmore Dishwasher Error F03

⚠️ Safety Warning: Appliance repair involves electricity, gas, and moving parts. Always disconnect power before working on any appliance.

Error Code: Dishwasher Difficulty: Moderate

Problem: Temperature sensor (thermistor) malfunction

⚖️ Repair Decision
⚠️ CHECK WARRANTY / AGE

$100 – $250 Range

How to Fix Dishwasher Error

  1. Unplug dishwasher and access temperature sensor.
  2. Test thermistor resistance at room temperature (should be ~11k ohms).
  3. Check wiring harness for damage or loose connections.
  4. Verify sensor is properly immersed in water.
  5. Replace thermistor if readings are out of specification.

Recommended Replacement Part

OEM Part #: WPW10134373

Estimated Market Price: $140

Check Price & Availability →

Still Not Working?

If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.

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Most DIY parts are $50–$250. If you have a quote, use the total.
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Expert: Mike Sullivan

EPA Section 608 Certified Technician with 18+ years experience.

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Browse all Kenmore error codes: Kenmore Error Codes

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