RPT 523813.01 – Solenoid for PTO Speed 1, Supply Voltage Faulty at PAP Control Software

RPT 523813.01 (RPT )

Code: 523813.01



This diagnostic trouble code, RPT 523813.01, is generated when the PAP control software measures a supply voltage of less than 1 V at the output to the solenoid for PTO speed 1 when the solenoid is turned on. This indicates a supply voltage fault or a potential issue with the solenoid circuit.


When this error is detected, the functionality of the rear PTO is significantly limited or entirely non-functional.


Inspect Supply Voltage Circuit:

  • Check the wiring and connections for the supply voltage circuit to the solenoid for PTO speed 1.
  • Repair or replace any damaged wires or connectors.

Test Voltage Levels:

  • Use diagnostic tools to measure the voltage levels at the solenoid for PTO speed 1.
  • Ensure the voltage is within the specified range when the solenoid is activated.

Verify Solenoid Operation:

  • Test the solenoid for proper operation and ensure it is receiving adequate voltage.
  • Replace the solenoid if it is found to be faulty.

Update Control Software:

  • Ensure that the PAP control software is updated to the latest version.
  • Apply any available patches or updates that address voltage regulation issues.

Consult Technical Support:

  • If the problem persists, consult with technical support or the equipment manufacturer for further assistance.
  • Provide detailed error logs and voltage measurements to aid in troubleshooting.


Proper supply voltage is essential for the correct operation of the solenoids and the PTO system. Regular inspections and maintenance of the electrical components can help prevent such issues.

Control Units: John Deere

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