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Error code reference

Maytag Oven Error Code 4d12

Door switch position failure during clean or keyboard lockout (lower oven)

Maytag codesMaytag oven codes
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What the 4d12 error code actually means

Your oven's door lock engaged during a self-clean cycle or lockout, but the oven's control system never received confirmation that the door was actually closed and secured. As a safety precaution, the oven shut down the self-clean and lockout features to prevent running a cleaning cycle on an unsecured door. This is essentially the oven telling you that the door locking mechanism and the door sensor are not communicating properly with each other.

Diagnostic procedure

The full 4d12 procedure

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1
First diagnostic step
Check door switch operation and wiring; disables clean and lockout functions.
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Most common causes of 4d12

Ranked by how often they cause this code
  1. 1Failed or worn door switch
  2. 2Damaged or disconnected wiring harness to door switch
  3. 3Door latch assembly not fully engaging
  4. 4Faulty control board

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Questions people ask about 4d12

What does error code 4D12 mean on a Maytag oven?
Code 4D12 means the control board detected a door switch position failure during a self-clean cycle or keyboard lockout on the lower oven. The door lock engaged, but the door switch did not confirm the door was closed. As a result, the oven disables the self-clean and lockout functions until the issue is resolved.
How do I fix error code 4D12 on a Maytag oven?
Start by checking the door switch operation and its wiring harness. Open the door and manually inspect the switch for visible damage, and check that all connectors are seated securely. If wiring looks intact, use a multimeter to test the switch for continuity when the door is closed. A switch that does not show continuity in the closed position needs to be replaced. If the switch passes, inspect the door latch assembly for wear or obstruction.
Is the 4D12 error on a Maytag oven a safety risk?
The 4D12 code itself is a safety protection feature. The oven refuses to run a self-clean cycle because it cannot confirm the door is locked and closed, which prevents the high-temperature clean cycle from running on an unsecured door. Normal cooking at standard bake and broil temperatures does not carry the same risk, but the underlying door switch or latch problem should still be repaired before attempting any self-clean cycle.
Can I still use my Maytag oven with the 4D12 error code active?
Yes, standard bake and broil functions are generally still available when 4D12 is active. The code specifically disables the self-clean cycle and the keyboard lockout feature. You should avoid attempting to run a self-clean cycle until the door switch issue is diagnosed and fixed, since the oven cannot confirm the door is safely secured before reaching clean-cycle temperatures.
How much does it cost to fix a Maytag oven 4D12 error?
If the door switch is the cause, the part typically costs between $15 and $50 depending on the model, and a DIY repair requires only basic tools and 30 to 60 minutes of work. If the door latch assembly needs replacement, parts range from $30 to $100. Professional labor for either repair generally runs $100 to $200 depending on your location and service provider.

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