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Error code · Range

Kenmore 665 Range Code 3d / 1d: Oven sensor and overheat

Lowercase d codes on a Kenmore 665. range, a Whirlpool-built platform, cover two ideas. 3d/11, 3d/12, 3d/21 and 3d/22 mean the oven sensor is defective. 1d/11 and 1d/12 mean the oven got too hot in Bake…

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Code
3d / 1d Series (665-prefix)
Appliance
Range
Brand
Kenmore
Warranty
30-day workmanship

What 3d / 1d Series (665-prefix) means

Lowercase d codes on a Kenmore 665. range, a Whirlpool-built platform, cover two ideas. 3d/11, 3d/12, 3d/21 and 3d/22 mean the oven sensor is defective. 1d/11 and 1d/12 mean the oven got too hot in Bake or Broil, and 1d/21 and 1d/22 mean too hot in Clean. You will see the code, the oven may shut off, and food may cook unevenly or burn.

Common causes of 3d / 1d Series (665-prefix)

  • Oven temperature sensor reading wrong
  • Sensor connector and wiring at the oven control
  • Oven control relay or board holding heat on
  • Self-clean cycle running hotter than expected
✓ One safe check you can try

1. Turn the oven off and leave the door closed until it cools. 2. Note whether the code starts with 3d or 1d and the numbers after the slash. 3. Leave the range unplugged for 3 minutes, which resets the oven control, then restore power. 4. Run a short bake and watch it. If it gets hotter than the setting or the code returns, switch off at the breaker. 5. Any gas smell: leave the house and call the gas utility from outside.

! Why to stop there
  • An overheat code can come from a bad sensor or from a control that will not shut the heat off
  • We check the sensor circuit first, then the control
  • We do not leave an oven that over-heats in service, and we quote in writing before any repair
Opening a panel yourself does not automatically cancel a manufacturer warranty, but it can cause accidental damage, and some manufacturers set their own service conditions. Check your warranty terms, or ask us, before deciding.
3d / 1d Series (665-prefix)3d / 1d Series (665-prefix) questions
Is 3d the same as 1d?

No. 3d codes point to a defective oven sensor, while 1d codes mean the oven reached too high a temperature in Bake, Broil, or Clean. The second digit set tells which mode it was in.

Can I keep using the oven?

We would not run it if it overheats. Turn it off, let it cool, and use another way to cook until it is checked.

What do you need to know before coming?

Tell us whether the code began with 3d or 1d, and whether the oven ran hotter than the setting. We test the sensor circuit and the control, give you a written price, and our work carries a 30-day warranty.

Book a visit

Still seeing 3d / 1d Series (665-prefix)?

A technician diagnoses it on site and gives you the price in writing before any work starts.

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