Error code reference

GE Oven Error Code F35

Lower oven calibration CRC failure or difference between RTD temperature and fine tune temperature is greater…

GE codesGE oven codes

Lower oven calibration CRC failure or difference between RTD temperature and fine tune temperature is greater than 50°F.

First step from the service manual

Replace the control.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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What F35 means on a GE oven

The F35 error code on a GE oven indicates the electronic control board has detected an out-of-range resistance reading from the oven sensor circuit. The board continuously monitors the oven temperature sensor (also called the RTD probe or oven sensor) by reading its electrical resistance. When that resistance falls outside the expected thresholds, either too high or too low, the board logs F35 and typically disables oven operation. The first diagnostic step is to measure resistance at the control board connector for the oven sensor circuit to determine whether the fault lies in the sensor itself, the wiring harness, or the board.

For homeowners: your oven has a small temperature-sensing probe mounted inside the oven cavity, usually at the upper rear wall. This sensor tells the control board how hot the oven actually is. When the board reads an electrical signal from that sensor that does not fall within acceptable limits, it throws the F35 code and stops the oven from operating normally to prevent overheating or inaccurate cooking temperatures.

F35 is not always caused by a failed sensor. A damaged wire, a loose connector, or corrosion at the control board connector can produce the same resistance fault. Resistance testing narrows the cause before any parts are ordered.

Source: manufacturer service documentation.

Common causes of F35

  1. 01

    Failed oven temperature sensor (RTD probe)

    Part replacement

    The oven sensor itself has drifted outside its rated resistance range or has an internal open or short circuit. A working GE oven sensor typically reads approximately 1080 ohms at room temperature, and a reading significantly above or below this value confirms a faulty sensor.

  2. 02

    Damaged or broken oven sensor wiring harness

    Part replacement

    The two-wire harness running from the oven sensor to the control board can crack, burn, or short against the oven cavity over time. A damaged harness produces incorrect resistance readings at the board connector even when the sensor itself is good.

  3. 03

    Loose or corroded connector at the control board

    Wiring / connection

    If the oven sensor harness connector is not fully seated at the control board, or if the terminals are corroded or burned, the board will read an incomplete circuit and trigger F35. Cleaning the connector and reseating it can resolve the fault without replacing any parts.

  4. 04

    Faulty electronic control board

    Part replacement

    If the sensor and harness both test within spec but F35 persists, the control board's internal sensing circuit may have failed. This is the least common cause and should only be suspected after the sensor circuit has been fully tested and cleared.

See the test procedure for each cause

Frequently asked questions about F35

What does F35 mean on a GE oven?
F35 means the control board has detected a resistance reading from the oven sensor circuit that falls outside the acceptable thresholds. The oven sensor is a probe inside the oven cavity that measures temperature by changing its electrical resistance. When the board cannot get a valid resistance reading, it triggers F35 and typically locks out normal oven operation.
How do I fix the F35 error code on a GE oven?
Start by unplugging the oven and disconnecting the oven sensor harness connector at the control board. Use a multimeter to measure resistance across the sensor circuit terminals. A healthy GE oven sensor reads approximately 1080 ohms at room temperature. If the reading is far off, open, or shorted, replace the oven sensor. If the sensor tests good, inspect the harness for damage and check that the connector seats fully at the board. If both check out, the control board may need replacement.
Is it safe to use my GE oven while the F35 code is displayed?
No, you should not continue using the oven with F35 active. The error means the control board cannot reliably monitor oven temperature. Without accurate temperature sensing, the oven cannot regulate heat properly, which creates a risk of overheating. Most GE ovens will disable the bake and broil functions when F35 is present for this reason.
How much does it cost to fix F35 on a GE oven?
If the oven temperature sensor is the cause, the sensor part typically costs between $20 and $60 depending on the model, and replacing it is a DIY-friendly repair that takes about 15 minutes with a screwdriver. If the wiring harness is damaged, a replacement harness runs $30 to $80. A new control board is the most expensive fix, often ranging from $150 to $350 for the part alone, plus labor if you hire a technician.
Can I test the oven sensor myself to diagnose the F35 code?
Yes. Unplug the oven, locate the sensor probe at the rear wall of the oven cavity, and disconnect it from its harness. Set a multimeter to measure resistance (ohms) and probe both terminals on the sensor. At room temperature, a good GE oven sensor should read close to 1080 ohms. A reading of infinite resistance indicates an open sensor, and a reading of zero or near-zero indicates a short. Either result confirms the sensor needs replacement.

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