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Error code reference

Bosch Refrigerator Error Code 4-4-1

Ice maker

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What the 4-4-1 error code actually means

Your Bosch refrigerator is detecting a problem inside the ice maker unit itself. This is not a water supply or temperature issue, but rather a fault within the ice maker's internal components. Try turning the fridge off and back on to see if it clears; if the error comes back, the ice maker will need to be replaced.

Diagnostic procedure

The full 4-4-1 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Switch appliance off and on; if fault persists, replace ice maker.
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Most common causes of 4-4-1

Ranked by how often they cause this code
  1. 1Failed ice maker control board
  2. 2Defective harvest cycle motor
  3. 3Internal thermistor failure
  4. 4Transient electronic glitch
  5. 5Ice maker heater failure

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Questions people ask about 4-4-1

What does 4-4-1 mean on a Bosch refrigerator?
The 4-4-1 code on a Bosch refrigerator indicates an internal ice maker fault. The fault originates within the ice maker module itself rather than from an external component like a water valve or temperature sensor. The first step is to power cycle the refrigerator; if the code persists, the ice maker assembly requires replacement.
Will resetting my Bosch refrigerator clear the 4-4-1 error code?
A reset will clear the 4-4-1 error if the fault was caused by a transient electronic glitch such as a power fluctuation. However, if the ice maker has a physical hardware failure, the code will return after the reset. A reset that does not hold is a clear sign that the ice maker module itself has failed and needs to be replaced.
How much does it cost to fix a 4-4-1 error on a Bosch refrigerator?
If the fault requires a full ice maker module replacement, parts alone typically range from roughly $80 to $250 depending on the specific Bosch model. Adding professional labor, total repair costs generally fall in the range of $150 to $400. Costs can vary based on your location, the service provider, and part availability for your specific model.
Can I fix the 4-4-1 error on my Bosch refrigerator myself?
The initial step, switching the refrigerator off and back on, is something any homeowner can do safely. If the code returns after the reset, the ice maker module needs to be replaced, which is a more involved repair requiring disconnecting the unit and installing a new assembly. A technician with appliance repair experience is recommended for the replacement if you are not comfortable working with refrigerator components.
Is it safe to use my Bosch refrigerator while the 4-4-1 error is showing?
The 4-4-1 code is specific to the ice maker and does not affect the refrigerator's main cooling functions. Your food and refrigerator compartment should remain unaffected. The ice maker will likely stop producing ice while the fault is active, but continuing to use the refrigerator for cooling is generally safe while you arrange for diagnosis or repair.

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