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KitchenAid Dishwasher Error Code 1-1

⚠ Medium Severity 🔧🔧 Moderate DIY Also shown as: 1 1

Thermistor failure — water temperature sensor fault

The NTC thermistor measuring wash water temperature has failed. Heating function disabled.

💰 DIY cost: $15–$40 👨‍🔧 Pro cost: $150–$280 Save $135+ by doing it yourself

What Does Error Code 1-1 Mean on a KitchenAid Dishwasher?

Thermistor failure — water temperature sensor fault.

The NTC thermistor measuring wash water temperature has failed. Heating function disabled.

What Causes Error Code 1-1?

Here are the most common causes in order of frequency. Start with the most likely cause before moving to the next:

  1. 1
    Thermistor open circuit 65% of cases
  2. 2
    Connector loose 25% of cases
  3. 3
    Wiring fault 10% of cases

How to Fix KitchenAid Dishwasher Error Code 1-1

🔧🔧 Moderate DIY Est. time: 30–60 min
⚡ Safety first: Unplug the appliance before opening any panels or touching internal components.
  1. 1

    Test thermistor

    Resistance at room temp: ~6k ohms.

    🔩 Multimeter
  2. 2

    Replace thermistor

    Simple sensor replacement.

    🔩 Thermistor ($15–$40)

How to Reset Error Code 1-1

After repair, run test cycle.

Note: If the error returns after resetting, the underlying issue has not been resolved. Work through the fix steps above.

When to Call a Professional

If new thermistor and error persists, control board sensor input failed.

Average professional repair cost for this issue: $150–$280

Find Replacement Parts

Use these links to find the exact replacement parts for your KitchenAid Dishwasher:

🔩
Search PartSelect
KitchenAid Dishwasher repair parts
🔧
Search RepairClinic
Step-by-step video guides

External links — ApplianceErrors.com is not affiliated with these retailers.

Frequently Asked Questions

What does error code 1-1 mean on a KitchenAid Dishwasher? +
Thermistor failure — water temperature sensor fault
How do I fix error code 1-1 on my KitchenAid Dishwasher? +
Start by Resistance at room temp: ~6k ohms.. If that doesn't resolve it, work through each step in the fix guide above.
How do I clear or reset error code 1-1? +
After repair, run test cycle.
Is error code 1-1 serious? +
Medium severity. The appliance may still operate but the issue should be resolved to prevent further damage.
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