PTI 002000.09 – ECU Message Missing

PTI 002000.09 (PTI 2000.09)

Code: 002000.09

Shortcode: 2000.09


This error code is triggered when CAN messages from the ECU are not being received. PTI is not a likely cause; the issue is more likely related to the CAN wires to the ECU.


The control unit commands the equipment to enter Park mode, which is recoverable.


  • Inspect CAN Wiring:
    • Check the CAN bus wiring for any signs of damage, disconnections, or corrosion.
    • Ensure all connections to the ECU are secure and intact.
  • Test CAN Bus Communication:
    • Use diagnostic tools to test the CAN bus communication and ensure messages are being transmitted correctly.
  • Verify ECU Functionality:
    • Ensure the ECU is powered on and functioning properly.
    • Reboot the ECU or perform a software update if necessary.
  • Replace Damaged Components:
    • Replace any damaged or faulty wiring or connectors that could be causing the communication issue.


Maintaining proper CAN bus communication is crucial for the accurate operation of the control systems and preventing further issues.

Control Units: John Deere

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