DTI 002000.09 – CAN Bus Communication Error with ECU

DTI 002000.09 (DTI 2000.09)

Code: 002000.09

Shortcode: 2000.09


This diagnostic trouble code (DTC) signifies a communication problem between the Electronic Control Unit (ECU) and the DTI over the CAN Bus network. The issue involves intermittent or non-existent reception of one or more CAN messages from the ECU, potentially due to loose wiring, connectivity issues, or electronic interference. Such disruptions in communication can lead to incomplete data transfer, affecting the functionality and performance of the equipment.


The system may exhibit irregular behavior or display error messages due to incomplete or missing data from the ECU, impacting operational efficiency and reliability.


  • Inspect and Secure Wiring Connections: Check the CAN bus connections, especially those linked to the ECU, for looseness or damage. Secure all connections and replace damaged wires.
  • Diagnose the CAN Bus Network: Utilize diagnostic tools to analyze the CAN bus network for errors or malfunctions.
  • Check ECU Functionality: Ensure that the ECU is functioning correctly and transmitting all necessary data without errors.


Effective communication via the CAN bus is crucial for the smooth operation of all connected control units. Regular maintenance and checks of the network can help prevent communication issues and ensure consistent performance.

Control Units: John Deere

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