PTD 002049.09 – Incorrect CAN BUS Message, Information from OIC Control Software

PTD 002049.09 (PTD 2049.09)

Code: 002049.09

Shortcode: 2049.09


This diagnostic trouble code is generated when a data transfer problem occurs between the PTD control software and the OIC control software. Reception of messages sent on the CAN Bus by the OIC control software is intermittent or non-existent. This indicates an open circuit, short circuit, or faulty CAN Bus terminators.


When this error is detected, the control software may have limited or no functionality, impacting the operation of the equipment.


Inspect CAN Bus Wiring:

  • Check all CAN Bus wiring for signs of damage, wear, or loose connections.
  • Repair or replace any damaged wires or connectors.

Test CAN Bus Terminators:

  • Verify that the CAN Bus terminators are functioning correctly.
  • Replace any faulty terminators.

Check for Short Circuits:

  • Inspect the CAN Bus for potential short circuits.
  • Repair any identified short circuits.

Verify OIC and PTD Connections:

  • Ensure that the connections between the OIC and PTD control software are secure and free from corrosion.

Consult Technical Support:

  • If the issue persists, consult technical support or a qualified technician for further diagnosis and repair.

Monitor System:

  • After repairs, monitor the CAN Bus communication to ensure it is functioning correctly.


Regular inspection and maintenance of the CAN Bus system can help prevent communication issues and ensure reliable operation of the control software.

Control Units: John Deere

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