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About OPS Setup and Configuration
Your Trapeze representative performs most setup and configuration tasks.
About Ancillary Data
Ancillary data is configured specifically for your transit agency and defines a lot of what you see in Trapeze OPS.
Vehicle Diagnostics Mapping
Vehicle Diagnostics Mapping ancillary data maps engine diagnostics codes to maintenance types.

Vehicle Diagnostics Mapping

Vehicle Diagnostics Mapping ancillary data maps engine diagnostics codes to maintenance types.

Table 1. Vehicle Diagnostics Mapping Ancillary Data
Field	Description
Description	Description of the diagnostic.
Maintenance Type	Maintenance type identified.
PID SID Flag	PID or SID flag component of the J1708 code.
Vehicle Component	MID number for the component with a fault.
Vehicle Failure	FMI component of the J1708 code.
Vehicle Parameter Subsystem	PID or SID component of the J1708 code.