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Error code reference

GE Dishwasher Error Code Clean LED

Turbidity sensor error

GE codesGE dishwasher codes

Turbidity sensor error – control detecting short or open circuit at turbidity sensor. May also occur on models without turbidity sensor.

First step from the service manual

Check turbidity sensor connections and resistance (10K ohms).

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

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What Clean LED means on a GE dishwasher

The Clean LED error on a GE dishwasher indicates the control board has detected either a short circuit or an open circuit at the turbidity sensor. The turbidity sensor monitors water clarity during the wash cycle, feeding data to the control board so it can adjust wash time and water usage based on how dirty the water is. When the control reads an abnormal electrical signal from this sensor, either no signal at all (open circuit) or an unintended electrical path (short circuit), it flags the fault and illuminates the Clean LED as an error indicator.

For homeowners, the turbidity sensor is a small component that essentially checks how cloudy the wash water is. Think of it as the dishwasher's way of deciding whether dishes need more cleaning time. When this sensor has a wiring problem or fails internally, the control board loses that feedback and throws this error. The dishwasher may stop mid-cycle or refuse to run properly until the issue is resolved.

Before replacing any parts, enter Error Code Mode to review the last five cycle history. This confirms whether the fault is stored consistently or appeared once, which helps distinguish a genuine sensor failure from a temporary wiring glitch.

Source: manufacturer service documentation.

Common causes of Clean LED

  1. 01

    Failed turbidity sensor

    Part replacement

    The turbidity sensor itself has an internal failure, causing it to present either a short or open circuit to the control board. This is the most direct cause of this specific fault code and requires sensor replacement.

  2. 02

    Damaged or disconnected wiring harness at turbidity sensor

    Wiring / connection

    The wiring harness connector at the turbidity sensor has corroded pins, broken wires, or has become disconnected, interrupting the electrical circuit between the sensor and the control board. This can mimic a sensor failure without the sensor itself being defective.

  3. 03

    Chafed or shorted wiring in the turbidity sensor circuit

    Part replacement

    A section of the wiring between the turbidity sensor and the control board has worn through its insulation and is shorting against the dishwasher tub or frame, creating the short circuit condition the control is detecting.

  4. 04

    Faulty control board

    Part replacement

    If the turbidity sensor and all associated wiring test within spec but the error persists, the control board's input circuit for the turbidity sensor may have failed internally. This is the least likely cause and should only be considered after ruling out the sensor and wiring.

See the test procedure for each cause

Frequently asked questions about Clean LED

What does the Clean LED error mean on a GE dishwasher?
On a GE dishwasher, the Clean LED flashing as an error code means the control board has detected a short circuit or open circuit at the turbidity sensor. The turbidity sensor monitors water clarity during the wash cycle. When the control reads an abnormal electrical signal from this sensor, it stops trusting the sensor data and logs the fault. This is different from the Clean LED simply indicating a finished cycle.
How do I fix the Clean LED error on a GE dishwasher?
Start by entering Error Code Mode to confirm the fault is stored in the cycle history, which distinguishes a real recurring fault from a one-time glitch. Next, inspect the wiring harness connector at the turbidity sensor for corrosion, broken pins, or disconnection and reseat it firmly. If the wiring looks intact, test the turbidity sensor for correct resistance or continuity. A sensor that reads open or shorted needs to be replaced. If the sensor and wiring both check out, the control board may need replacement.
Can I still use my GE dishwasher with the Clean LED error active?
Running the dishwasher with this error active is not recommended for regular use. Without a functioning turbidity sensor signal, the control board cannot accurately adjust the wash cycle based on water clarity, which can result in poorly cleaned dishes or cycles that do not complete correctly. The underlying wiring issue could also worsen with repeated use. Address the fault before relying on the dishwasher for normal loads.
How much does it cost to fix the Clean LED turbidity sensor error on a GE dishwasher?
If the fix is simply reseating a loose wiring connector, there is no parts cost. A replacement turbidity sensor typically costs between $20 and $60 depending on the model. If the control board is the root cause, board replacement usually runs $100 to $250 for the part. Professional labor adds $75 to $150 per hour in most markets. Checking and reseating the wiring harness yourself before ordering parts is a reasonable first step for a DIY homeowner.
How do I enter Error Code Mode on a GE dishwasher to diagnose the Clean LED error?
The exact key sequence for entering Error Code Mode varies by GE model, but it commonly involves pressing a specific combination of cycle or option buttons in succession with the door closed. Check the service manual or tech sheet for your specific model number, which is usually located on the inner door edge. Once in diagnostic mode, the control will display stored fault codes from the last five cycles, confirming whether the turbidity sensor fault has occurred repeatedly or just once.

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