SIC 600006.31 – Diagnostic Trouble Code Not Known

SIC 600006.31 (SIC )

Code: 600006.31



This diagnostic trouble code, SIC 600006.31, is triggered by the CommandCenter (DTI) when the DTI receives a SIC diagnostic trouble code via the CAN BUS that is not stored in the DTI memory. This “general” diagnostic trouble code enables the CommandCenter (DTI) to display information relating to this unknown SIC diagnostic trouble code.


When this error code is detected, the CommandCenter will display a general message indicating the presence of an unknown diagnostic trouble code, which may affect vehicle diagnostics and troubleshooting.


  • Update CommandCenter (DTI) Software:
    • Ensure that the CommandCenter software is up-to-date. Update the software to include the latest diagnostic trouble codes.
  • Verify CAN BUS Communication:
    • Inspect the CAN BUS wiring and connections for any signs of damage, loose connections, or corrosion. Repair or replace as necessary.
  • Consult Technical Support:
    • If the error persists, consult technical support or the manufacturer for further assistance in identifying and resolving the unknown diagnostic trouble code.
  • Monitor for Recurrence:
    • After addressing the issues, monitor the system for any recurrence of the unknown diagnostic trouble code. Record any additional information that may help identify the issue.


Keeping the CommandCenter and diagnostic systems updated with the latest software and diagnostic trouble codes is crucial for accurate vehicle diagnostics and troubleshooting. Regular updates and maintenance help ensure reliable operation.

Control Units: John Deere

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