SFA 523950.04 – Front Axle Left Position Sensor Circuit Voltage Low

SFA 523950.04 (SFA )

Code: 523950.04

Shortcode:

Description:

This error code indicates that the voltage of the left front axle position sensor is less than 0.5 Volts. This can be caused by a faulty sensor, wiring issues, or problems within the control unit.

Reaction:

When this error code is triggered, the position sensor may provide inaccurate data, leading to improper suspension operation and potential handling issues.

Recommendations:

  • Inspect the Sensor:
    • Check the left front axle position sensor for signs of damage or malfunction. Replace the sensor if it is found to be defective.
  • Check Wiring and Connections:
    • Inspect the wiring and connections for the position sensor for signs of damage, corrosion, or disconnection. Repair or replace any faulty wiring or connectors.
  • Verify Power Supply:
    • Ensure that the sensor is receiving the correct power supply. Check the voltage levels and ensure they are within the specified range.
  • Test the Control Unit:
    • Test the SFA control unit to ensure it is regulating the sensor voltage correctly. Replace the control unit if it is found to be defective.
  • Consult Technical Support:
    • If the issue persists, consult technical support or the manufacturer for further assistance in diagnosing and resolving the low voltage issue.

Note:

Maintaining proper voltage levels for position sensors is crucial for accurate sensor readings and optimal suspension performance. Regular inspection and maintenance of the electrical system can help prevent this issue.


Control Units: John Deere