What are diagnostic faults (DTC) and how are they reported?

Applies To

  • Engine data


Diagnostic Trouble Codes (DTCs), Diagnostic Fault Codes (DFCs), or simply engine codes, are specific error messages sent from the vehicle that the GO device captures and transmits to MyGeotab. These faults can then be reviewed in the Engine Faults section within MyGeotab.

Additional notes

Learn more about engine fault exceptions in this Geotab blog post.