PTF 002003.09 – Incorrect CAN Bus Message, Information from PTA, PTQ, or PTD Control Software

PTF 002003.09 (PTF 2003.09)

Code: 002003.09

Shortcode: 2003.09


This error code indicates a data transfer problem between the PTF control software and PTA (AutoPowr™/IVT™ transmission), PTQ (PowrQuad™ transmission), or PTD (DirectDrive transmission) control software. This suggests an issue in the CAN bus or the transmitting control software.


When this code is detected, the control software may exhibit limited or no functionality.


  • Inspect CAN Bus Connections:
    • Check all CAN bus connections for secure and correct installation.
    • Look for any damaged or corroded connectors and replace if necessary.
  • Verify Wiring Integrity:
    • Ensure all wires in the CAN bus network are intact and free of damage.
    • Repair or replace any loose or damaged wires.
  • Check Transmission Control Software:
    • Ensure that the PTA, PTQ, or PTD control software is up to date.
    • Update the software if necessary.
  • Diagnose CAN Bus Traffic:
    • Use diagnostic tools to analyze CAN bus traffic and identify any abnormalities or faults.


Maintaining a reliable CAN bus communication between the PTF and transmission control software is crucial for the vehicle’s performance. Regular inspections and updates can help avoid these issues.

Control Units: John Deere

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