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Error Code

Kenmore Range 1d/21 Error Code

Plain-language guidance for Kenmore code 1d/21 Oven too hot in Clean mode on Range — symptoms, safe checks, and when to call a technician.

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At a glance

Error code overview

A plain-language snapshot of 1d/21 Oven too hot in Clean mode for Kenmore Range — confirm the model series before you act.

Lena Hart Written by Lena Hart Appliance Repair Content Specialist Published October 20, 2026

Content status Verified

Error code 1d/21 Oven too hot in Clean mode
Appliance Range
Quick answer

1d/21 on a Kenmore 665 model range means the oven is too hot in Clean mode.

Model compatibility

Kenmore reuses codes across series and model years, so 1d/21 Oven too hot in Clean mode may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.

Plain language

What this code means

Oven too hot in Clean mode.

Cleaning cycle running hot? 1d/21 is the Clean mode overheating message, listed for the Kenmore 665 model freestanding range alongside 1d/22.

Owner side

  • Switch the range off at the supply or unplug it.
  • Press loose sensor wiring back on.
  • Replace a harness that is damaged.

Technician side

A meter reading of the sensor, a new sensor, and a new electronic oven control when sensor and wiring are okay belong to a technician.

Related range codes

  • 1d/22: the matching Clean mode message
  • 1d/11: overheating in Bake or Broil
  • 1C/6C: the oven control is faulty

Los Angeles Kenmore range service

Clean mode trouble can go to a technician through (310) 554-8899. Report 1d/21 and the model number, and note that it came up while cleaning. The range service page adds more.

Source: PartsDirect – Kenmore 665 model freestanding range error codes (slash format)

Caution

Safety warning

Important safety warning

Do not attempt repairs involving electrical components, gas, water lines, refrigerant or sealed systems. Unplug the appliance if it is safe to reach the outlet, and leave internal diagnostics to a qualified technician.

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