John Deere fault codes

  • ACU 524222.02 – Resume Switch Circuit Conflict

    John Deere error

    The error code ACU 524222.02 is triggered when the resume switch circuit in the control system fails to differentiate between the ON and OFF positions, showing the same value for both states. This issue indicates a malfunction within the switch circuit that prevents accurate reading of the switch status.

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  • ACU 524212.04 – Low Voltage in Rear Hitch Control Lever Sensor

    John Deere error

    Error code ACU 524212.04 indicates that the voltage in the rear hitch control lever sensor circuit is below the expected threshold. Low voltage may be caused by issues such as weak battery performance, poor electrical connections, or a failing sensor, all of which could compromise the accuracy of hitch position control.

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  • ACU 524212.03 – High Voltage in Rear Hitch Control Lever Sensor

    John Deere error

    The error code ACU 524212.03 is activated when the voltage in the rear hitch control lever sensor circuit is found to be excessively high. This abnormal voltage can indicate electrical malfunctions such as overloads or faults within the sensor or its wiring, potentially leading to incorrect hitch operation.

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  • ACU 524212.02 – Rear Hitch Control Lever Conflict

    John Deere error

    This error code, ACU 524212.02, indicates a discrepancy between the rear hitch control lever switch position and the corresponding sensor voltage readings. This conflict suggests a problem with the switch or sensor, which may prevent accurate control of the hitch’s position.

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  • ACU 524105.04 – Low Voltage in SCV II Control Lever Sensor

    John Deere error

    This error code, ACU 524105.04, indicates that the voltage in the SCV II (Selective Control Valve II) control lever sensor circuit is lower than the normal operational threshold. Such low voltage may result from issues like poor electrical connections, a failing sensor, or an insufficient power supply, affecting the accuracy and reliability of the control…

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  • ACU 524105.03 – High Voltage in SCV II Control Lever Sensor

    John Deere error

    The error code ACU 524105.03 is triggered when there is an unusually high voltage detected in the sensor circuit of the SCV II (Selective Control Valve II) control lever. High voltage levels could be due to an electrical overload, a malfunction within the sensor, or improper circuit configurations, potentially leading to erroneous sensor readings.

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  • ACU 524105.02 – SCV II Lever Switch and Sensor Voltage Conflict. John Deere Hydraulic System Alert

    John Deere error

    This error code, ACU 524105.02, occurs when there is a discrepancy between the SCV II (Selective Control Valve II) control lever switch position and the voltage readings from its sensor. Such a conflict can indicate an issue in either the switch mechanism or the sensor’s ability to accurately reflect lever position through electrical signals.

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  • ACU 524104.04 – Low Voltage in SCV III Control Lever Sensor. John Deere Hydraulic Alert.

    John Deere error

    This error code, ACU 524104.04, is triggered when the voltage within the SCV III (Selective Control Valve III) control lever sensor circuit falls below the normal operational threshold. Low voltage may be indicative of issues such as insufficient power supply, degraded wiring, or a failing sensor, which can impair the accuracy and reliability of the…

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  • ACU 524104.03 – Excessive Voltage in SCV III Control Lever Sensor

    John Deere error

    The error code ACU 524104.03 indicates that the voltage in the SCV III (Selective Control Valve III) control lever sensor circuit is abnormally high. This condition could be due to electrical overloads, faulty components, or improper wiring, which can lead to erroneous sensor readings and potentially unsafe hydraulic operations.

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  • ACU 524104.02 – SCV III Lever Switch and Sensor Voltage Mismatch

    John Deere error

    This error code, ACU 524104.02, occurs when there is a conflict between the position of the SCV III (Selective Control Valve III) control lever switch and the voltage readings from its sensor. This discrepancy suggests a misalignment in signal transmission or a fault within the switch or sensor that could affect hydraulic operations.

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  • ACU 524103.04 – Low Voltage in SCV IV Control Lever Sensor

    John Deere error

    This error code, ACU 524103.04, indicates that the voltage within the SCV IV (Selective Control Valve IV) control lever sensor circuit is registering below the expected threshold. Low voltage levels can signify issues such as a depleted power source, faulty wiring, or a malfunctioning sensor, which could impact the accuracy of the lever’s position readings.

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