This error is triggered when the spool of the Selective Control Valve III (SV III) overshoots its desired position.
- John Deere error 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 moving into the FLOAT position.
- John Deere error 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, faulty SCC, or disruptions in the SV II unit itself.


