RPT 523814.12 – Solenoid for PTO Speed 2 Off, Current Present at PAP Control Software

RPT 523814.12 (RPT )

Code: 523814.12



This diagnostic trouble code, RPT 523814.12, is generated when the PAP control software measures a current of more than 1 A at the output to the solenoid for PTO speed 2 when the solenoid is turned off. This indicates a short in the circuit or an internal fault of the control software.


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


Inspect Solenoid Circuit:

  • Check the wiring and connections for the solenoid circuit for signs of a short.
  • Repair or replace any damaged wires or connectors.

Test Solenoid and Control Software:

  • Use diagnostic tools to measure the current levels and test the solenoid for proper operation.
  • Replace the solenoid if it is found to be faulty.

Check for Internal Faults:

  • Inspect the PAP control software for any internal faults that could be causing the issue.
  • Update the control software to the latest version and apply any available patches.

Consult Technical Support:

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


Proper current regulation is essential for the correct operation of the solenoids and the PTO system. Regular inspections and maintenance of the electrical components and control software can help prevent such issues.

Control Units: John Deere

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