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SV2 codes

Comprehensive Guide to John Deere SV2 Fault Codes and Error Codes

Understanding John Deere SV2 fault codes is essential for maintaining your agricultural equipment. These diagnostic trouble codes (DTCs) provide critical information about malfunctions within the Selective Control Valve (SV) system. This guide helps technicians and operators quickly identify and resolve issues, keeping machinery running smoothly.

Where These Codes Arise:

John Deere SV2 fault codes appear in the Selective Control Valve (SV) system of John Deere tractors. The SV system is controlled through the SCV control lever, which communicates its position to the Agricultural Control Unit (ACU). This data is transmitted via the tractor’s CAN bus to the Selective Control Command (SCC) unit. The SCC then sends the appropriate commands to the SV control unit. This interaction is critical for accurate hydraulic function in various modes.

How to Use This Information:

Each fault code provides a clear indication of the problem type and location within the SV system. Use these codes to diagnose issues quickly and implement necessary repairs or adjustments. For comprehensive troubleshooting, refer to the technical manuals.

Additional Notes:

The SV system’s proper functioning depends on accurate communication and calibration of its components. Regular maintenance and updates to the control software are vital for preventing and resolving issues promptly.

By understanding and using these John Deere SV2 diagnostic trouble codes, you can ensure your equipment remains reliable and efficient. This minimizes downtime and maximizes productivity. For detailed troubleshooting procedures, always consult the relevant technical manuals.

SV2 004085.12 – SV II Control Unit Fault

John Deere SV2 codes

The error code SV2 004085.12 indicates that the software of the Selective Control Valve Unit II (SV II) failed to execute within the allotted time. This issue can occur due to software glitches, memory errors, or issues within the control…
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SV2 004085.07 – SV II Not in Neutral Position

John Deere SV2 codes

The error code SV2 004085.07 indicates that the Selective Control Valve II (SV II) is not in the NEUTRAL position. This can occur due to mechanical issues, electrical faults, or if the control lever is moved while the key is…
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SV2 004084.18 – SV II Failed to Reach Commanded Position

John Deere SV2 codes

The error code SV2 004084.18 indicates that the Selective Control Valve II (SV II) spool is undershooting its desired position. This issue can arise from control system faults, inadequate hydraulic pressure, or mechanical problems affecting spool movement.
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SV2 004084.16 – SV II Overshot Commanded Position

John Deere SV2 codes

The error code SV2 004084.16 indicates that the Selective Control Valve II (SV II) spool is overshooting its desired position. This can occur due to issues with the control system, such as faulty sensors, calibration errors, or hydraulic system irregularities.
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SV2 004084.07 – SV II Not in Float Position

John Deere SV2 codes

The error code SV2 004084.07 indicates that the Selective Control Valve II (SV II) is not achieving the FLOAT position. This issue can occur due to mechanical obstructions, hydraulic system malfunctions, or electrical control faults that prevent the valve from…
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SV2 002034.09 – SCC Message Missing

John Deere SV2 codes

The error code SV2 002034.09 indicates that the Selective Control Valve Unit II (SV II) is not receiving the required messages from the SCC (Selective Control Command). This communication failure can be due to issues in the CAN BUS network,…
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SV2 000158.04 – SV II Switched Supply Voltage Low

John Deere SV2 codes

The error code SV2 000158.04 indicates that the switched supply voltage to the Selective Control Valve Unit II (SV II) has dropped below 9.0 V. This issue may be caused by inadequate power supply, faulty wiring, loose connections, or issues…
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SV2 000158.03 – SV II Switched Supply Voltage High

John Deere SV2 codes

The error code SV2 000158.03 indicates that the switched supply voltage to the Selective Control Valve Unit II (SV II) has exceeded 16.0 V. This issue can arise due to electrical faults such as a failing voltage regulator, loose or…
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SV2 codes

Comprehensive Guide to John Deere SV2 Fault Codes and Error Codes

Where These Codes Arise:

How to Use This Information:

Additional Notes:

SV2 004085.12 – SV II Control Unit Fault

SV2 004085.07 – SV II Not in Neutral Position

SV2 004084.18 – SV II Failed to Reach Commanded Position

SV2 004084.16 – SV II Overshot Commanded Position

SV2 004084.07 – SV II Not in Float Position

SV2 002034.09 – SCC Message Missing

SV2 000158.04 – SV II Switched Supply Voltage Low

SV2 000158.03 – SV II Switched Supply Voltage High

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