John Deere fault codes

  • VLC 000628.02 – VLC EOL Data Fault

    John Deere error

    This error code, VLC 000628.02, indicates that the Vehicle Load Center (VLC) control unit has detected a failure in its End Of Line (EOL) memory during start-up. The EOL memory is crucial for storing configuration and calibration data that the control unit needs to operate correctly.

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  • UIM 523910.02 – Control Unit Internal Fault

    John Deere error

    This diagnostic trouble code is triggered if an internal memory fault occurs while data is being saved. This indicates a problem within the control unit’s memory, potentially affecting its ability to store and retrieve data correctly.

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  • UIM 523538.10 – Button “Confirm” Defective

    John Deere error

    This diagnostic trouble code is triggered if the Confirm Button remains continuously actuated for more than 60 seconds during initialization (after the ignition has been switched on), or if the button is registered as “actuated” for more than 10 minutes during operation. This indicates that the Confirm Button may be stuck or malfunctioning.

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  • UIM 523537.10 – Button “Cancel” Defective

    John Deere error

    This diagnostic trouble code is triggered if the Cancel Button remains continuously actuated for more than 60 seconds during initialization (after the ignition has been switched on), or if the button is registered as “actuated” for more than 10 minutes during operation. This indicates that the Cancel Button may be stuck or malfunctioning.

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  • UIM 523536.10 – Menu Button Defective

    John Deere error

    This diagnostic trouble code is triggered if the Menu Button remains continuously actuated for more than 60 seconds during initialization (after the ignition has been switched on), or if the button is registered as “actuated” for more than 10 minutes during operation. This indicates that the Menu Button may be stuck or malfunctioning.

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  • UIM 523535.10 – Button A Defective

    John Deere error

    This diagnostic trouble code is triggered if Button A remains continuously actuated for more than 60 seconds during initialization (after the ignition has been switched on), or if the button is registered as “actuated” for more than 10 minutes during operation. This indicates that Button A may be stuck or malfunctioning.

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  • UIM 523534.10 – Button B Defective

    John Deere error

    This diagnostic trouble code is triggered if Button B remains continuously actuated for more than 60 seconds during initialization (after the ignition has been switched on), or if the button is registered as “actuated” for more than 10 minutes during operation. This indicates that Button B may be stuck or malfunctioning.

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  • UIM 523533.10 – Button C Defective

    John Deere error

    This diagnostic trouble code is triggered if Button C remains continuously actuated for more than 60 seconds during initialization (after the ignition has been switched on), or if the button is registered as “actuated” for more than 10 minutes during operation. This indicates that Button C may be stuck or malfunctioning.

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  • UIM 523532.10 – Button D Defective

    John Deere error

    This diagnostic trouble code is triggered if Button D remains continuously actuated for more than 60 seconds during initialization (after the ignition has been switched on), or if the button is registered as “actuated” for more than 10 minutes during operation. This indicates that Button D may be stuck or malfunctioning.

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  • UIM 523531.10 – Button E Defective

    John Deere error

    This diagnostic trouble code is triggered if Button E remains continuously actuated for more than 60 seconds during initialization (after the ignition has been switched on), or if the button is registered as “actuated” for more than 10 minutes during operation. This indicates that Button E may be stuck or malfunctioning.

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  • UIM 523530.10 – Button F Defective

    John Deere error

    This diagnostic trouble code is triggered if Button F remains continuously actuated for more than 60 seconds during initialization (after the ignition has been switched on), or if the button is registered as “actuated” for more than 10 minutes during operation. This indicates that Button F may be stuck or malfunctioning.

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