RPT 524224.19 – Rear PTO Switch, Fault

RPT 524224.19 (RPT )

Code: 524224.19



This diagnostic trouble code, RPT 524224.19, is generated when the OIC control software cannot determine the values of the rear PTO switch and cannot provide the CAN bus with any data. A transmitted replacement value generates this diagnostic trouble code in the RPT control software. The OIC diagnostic trouble codes take priority.


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


Inspect Rear PTO Switch:

  • Check the rear PTO switch for proper operation.
  • Replace the switch if it is found to be defective.

Inspect Wiring and Connections:

  • Check the wiring and connections associated with the rear PTO switch for signs of damage, corrosion, or loose connections.
  • Repair or replace any damaged wires or connectors.

Verify CAN Bus Communication:

  • Use diagnostic tools to test the CAN bus communication for any irregularities or failures.
  • Ensure that all CAN messages from the OIC control software are being correctly transmitted and received by the RPT control software.

Update Control Software:

  • Ensure that both the OIC and RPT control software are updated to the latest versions.
  • Install any available patches or updates that address communication issues.

Consult Technical Support:

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


Proper maintenance and regular inspections of the rear PTO switch and associated wiring can help prevent such issues. Ensuring that the control software is up-to-date is also crucial for maintaining reliable operation.

Control Units: John Deere

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