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Error code reference

GE Refrigerator Error Code 22

The resistance of the PC sensor 2 is outside the normal range (> 45K Ohms)

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What the 22 error code actually means

Your GE refrigerator is detecting a problem with one of its internal temperature sensors, which is reporting a reading that is colder than expected or may have stopped working altogether. This means the refrigerator cannot accurately track the temperature in that area, which could affect how well it cools. A technician will need to check the sensor's wiring connection and test the sensor itself to determine if it needs to be replaced.

Diagnostic procedure

The full 22 procedure

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1
First diagnostic step
Check the connection at the module. Check the resistance of the sensor.
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Most common causes of 22

Ranked by how often they cause this code
  1. 1Failed PC Sensor 2 Thermistor
  2. 2Loose or Corroded Connector at the Control Module
  3. 3Damaged Sensor Wiring Harness
  4. 4Moisture or Ice Contamination at the Sensor
  5. 5Faulty Main Control Board

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Questions people ask about 22

What does 22 mean on a GE refrigerator?
Error code 22 means that the resistance of PC sensor 2 has exceeded 45K ohms, placing it outside the normal operating range. This sensor is a thermistor that tracks temperature in a specific compartment or evaporator zone. The code typically points to a failed sensor, a loose connector at the control module, or a wiring problem in the sensor circuit.
Is error code 22 on a GE refrigerator a safety issue?
Error code 22 is not an immediate safety hazard, but it does affect the refrigerator's ability to accurately regulate temperature in the affected zone. If the control board cannot trust the sensor reading, it may overcool or undercool that area, which could impact food quality or preservation over time. Addressing the fault promptly is recommended to ensure reliable operation.
How much does it cost to fix error code 22 on a GE refrigerator?
If only the PC sensor 2 thermistor needs replacement, parts typically range from $15 to $50 depending on the specific model, and a technician's labor to diagnose and replace it could bring the total to $100 to $200. If the control board is at fault, costs are higher, generally ranging from $200 to $400 or more including parts and labor. Getting a diagnosis before committing to a repair is the best way to manage costs.
How do I fix error code 22 on my GE refrigerator?
Start by checking the sensor connector at the control module for loose, corroded, or damaged pins and reseat it firmly. Then use a multimeter to measure the resistance of PC sensor 2 directly. If the resistance reads above 45K ohms at normal refrigerator temperatures, the sensor needs to be replaced. If the sensor reads correctly, inspect the wiring harness for damage and consider having the control board evaluated.
Will resetting my GE refrigerator clear error code 22?
A power reset may temporarily clear the error code from the display, but if the underlying problem with PC sensor 2 or its wiring is still present, the code will return. Resetting is useful for confirming whether the fault is intermittent, but it does not repair a failed sensor or damaged wiring. A proper repair requires diagnosing and correcting the root cause.

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