This error code indicates that the suspended front axle (SFA) control unit has detected that the sensor supply voltage for the position sensors is below 4.65 Volts. This can be caused by a faulty voltage regulator, wiring issues, or problems within the control unit.
- John Deere error SFA codes
- John Deere error SFA codes
This error code indicates that the suspended front axle (SFA) control unit has detected that the sensor supply voltage for the position sensors is above 5.25 Volts. This can be caused by a malfunctioning voltage regulator, wiring issues, or faults within the control unit.
- John Deere error SFA codes
This error code indicates that the suspended front axle (SFA) control unit has detected that the switched supply voltage is below 9.0 Volts. This can occur due to various reasons, including issues with the power supply, wiring faults, or problems with the control unit itself.


