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Error code reference

Frigidaire Refrigerator Error Code t6

FF IM Tray Temp Sensor failure.

Frigidaire codesFrigidaire refrigerator codes

FF IM Tray Temp Sensor failure.

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  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
  • Verified part numbers when replacement is required
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What t6 means on a Frigidaire refrigerator

The T6 error code on a Frigidaire refrigerator indicates a failure in the French Door (FF) ice maker tray temperature sensor. This sensor is a thermistor, a resistive temperature-sensing component mounted on or near the ice maker tray assembly. Its primary function is to monitor the temperature of the ice tray during the freeze and harvest cycles, signaling the control board when ice has reached the proper temperature for ejection. When the control board detects an out-of-range resistance reading from this thermistor, typically caused by an open circuit, short circuit, or reading outside the expected resistance window, it triggers the T6 fault code and may suspend ice maker operation.

The ice maker tray thermistor communicates with the main control board or ice maker control module by varying its electrical resistance in response to temperature changes. A properly functioning thermistor will display a predictable resistance curve. If the sensor reads extremely high resistance (open circuit) or near-zero resistance (short circuit), the board interprets this as a sensor failure rather than a valid temperature reading. This prevents the ice maker from operating incorrectly or damaging components during abnormal thermal conditions.

Common causes of the T6 code include a failed thermistor, damaged wiring harness connections between the sensor and the control board, corrosion at connector pins, or physical damage to the sensor itself from ice buildup or frost accumulation. In some cases, the ice maker assembly as a whole may need replacement if the sensor is not serviceable as a standalone component. Thorough inspection of the wiring harness and connector integrity should be part of any diagnostic approach before replacing components.

Source: manufacturer service documentation.

Common causes of t6

  1. 01

    Failed ice tray thermistor

    Part replacement

    The thermistor itself has failed electrically, producing an open or short circuit condition that the control board cannot interpret as a valid temperature. This is the most common cause and typically requires sensor or ice maker assembly replacement.

  2. 02

    Damaged or disconnected wiring harness

    Wiring / connection

    The wiring between the tray thermistor and the control board may be pinched, broken, or pulled loose from its connector. Visually inspecting the harness routing and connector seating can identify this issue.

  3. 03

    Corroded or loose connector pins

    Wiring / connection

    Moisture inside the freezer compartment can cause corrosion at the thermistor connector pins, increasing resistance and causing intermittent or permanent sensor failure readings. Cleaning or reseating the connector may resolve this.

  4. 04

    Ice or frost accumulation on the sensor

    Wiring / connection

    Excessive frost buildup around the ice maker assembly can physically damage the thermistor or its leads. Manually defrosting the ice maker area and inspecting the sensor afterward may reveal whether frost was the root cause.

  5. 05

    Faulty ice maker assembly

    Part replacement

    If the thermistor is integrated into the ice maker assembly and is not available as a separate serviceable part, the entire ice maker unit may require replacement to resolve the T6 fault.

See the test procedure for each cause

Frequently asked questions about t6

What does t6 mean on a Frigidaire refrigerator?
The T6 code on a Frigidaire refrigerator indicates a failure in the French Door ice maker tray temperature sensor, also called a thermistor. The control board has detected that the sensor is producing a reading outside of the expected resistance range, which signals an open circuit, short circuit, or component failure. As a result, the ice maker may stop operating until the fault is resolved.
Can I fix the T6 error code on my Frigidaire refrigerator myself?
Some causes of the T6 code, such as a loose connector or frost buildup around the ice maker, can be addressed without special tools. However, replacing the ice maker tray thermistor or ice maker assembly requires basic appliance repair skills and comfort working with electrical connectors inside the freezer compartment. If you are not confident handling these components, a qualified technician should perform the repair.
Is it safe to keep using my Frigidaire refrigerator when the T6 code is showing?
The T6 code specifically affects the ice maker system and does not directly impact the refrigerator or freezer cooling functions. Your food should remain safe as long as the refrigerator and freezer are maintaining proper temperatures. However, the ice maker will likely not operate correctly until the sensor fault is resolved, so you should address the issue to restore full functionality.
How much does it cost to repair the T6 error on a Frigidaire refrigerator?
Repair costs vary depending on whether the thermistor is a standalone part or integrated into the full ice maker assembly. A wiring or connector repair by a technician may cost in the range of $75 to $150 for labor. Replacing the ice maker assembly, if required, typically costs between $150 and $350 including parts and labor, depending on the specific model and your location.
Will resetting my Frigidaire refrigerator clear the T6 error code?
A power reset may temporarily clear the T6 error code from the display, but the code will return if the underlying sensor fault is still present. Resetting the refrigerator by unplugging it for a few minutes is a reasonable first step to confirm whether the fault is persistent or intermittent. If the T6 code reappears after the reset, the thermistor, wiring, or ice maker assembly will need to be inspected and repaired.

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