RPT 523806.19 – Solenoid for PTO Speed 3, Incorrect CAN Bus Message

RPT 523806.19 (RPT )

Code: 523806.19



This diagnostic trouble code, RPT 523806.19, is generated when the output for switching the solenoid for PTO speed 3 is energized by more than one control software. This indicates a conflict in control software communication.


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


Inspect Control Software Configuration:

  • Check the configuration of all control software modules to ensure that only one module is responsible for energizing the solenoid for PTO speed 3.
  • Reconfigure any conflicting control software settings.

Verify CAN Bus Communication:

  • Use diagnostic tools to test the CAN bus communication for any irregularities or conflicts.
  • Ensure that all CAN messages are being correctly transmitted and received between the control software modules.

Update Control Software:

  • Ensure that all control software modules are updated to the latest versions.
  • Apply any available patches or updates that address communication conflicts.

Consult Technical Support:

  • If the problem persists after initial troubleshooting, consult with technical support or the equipment manufacturer for further assistance.
  • Provide detailed information about the issue, including any error logs or diagnostic reports.

Monitor System Performance:

  • After performing the recommended actions, monitor the system for any recurrence of the issue.
  • Keep detailed records of any further errors or irregularities to assist in ongoing troubleshooting.


Ensuring proper communication and configuration of control software modules is crucial for the correct operation of the solenoids and the PTO system. Regular updates and inspections can help prevent such conflicts.

Control Units: John Deere

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