CSC 523973.04 – Cab Suspension All the Way Down, Voltage Too Low During Calibration. John Deere System Advisory.

CSC 523973.04 (CSC )

Code: 523973.04



Error code CSC 523973.04 is generated when the voltage at the signal output of the cab suspension sensor is too low (below 0.25 volts) during calibration or bleeding and calibration, when the cab suspension is at its lowest position. This condition usually indicates a short to ground.


The calibration process is aborted to prevent incorrect calibration due to inaccurate sensor readings.


  • Inspect Wiring and Connections: Examine the wiring and connections to the cab suspension sensor for signs of short circuits to ground. Repair or replace any damaged or exposed wires.
  • Measure Sensor Voltage: Use a voltmeter to measure the voltage at the cab suspension sensor when the cab is at its lowest position to confirm it is within the acceptable range.
  • Replace Faulty Sensors: If the sensor is determined to be faulty and causing low voltage readings, replace it to ensure accurate position detection.
  • Review and Update Software Settings: Ensure that the control software settings are correctly configured to handle the sensor’s voltage requirements.
  • Perform Functional and Calibration Tests: After repairs, reset the system and conduct functional tests and a full calibration to ensure accurate sensor data and proper calibration.


Maintaining proper voltage levels in the cab suspension sensor is essential for accurate calibration and smooth operation. Regular inspections and maintenance of sensor connections and voltage levels help prevent calibration issues and ensure system reliability.

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