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Chapter 5 Automotive Diagnostic Command Set API for LabVIEW
© National Instruments Corporation 5-21 Automotive Diagnostic Command Set User Manual
DTC to String.vi
Purpose
Returns a string representation (such as P1234) for a 2-byte Diagnostic Trouble Code (DTC).
Format
Input
DTC (num) is the DTC number as returned in the clusters of
ReadDTCByStatus.vi, ReadStatusOfDTC.vi,
UDS ReportDTCBySeverityMaskRecord.vi,
UDS ReportDTCByStatusMask.vi,
UDS ReportSeverityInformationOfDTC.vi,
UDS ReportSupportedDTCs.vi, OBD Request Emission Related
DTCs.vi, or OBD Request Emission Related DTCs During Current
Drive Cycle.vi.
Note This VI converts only 2-byte DTCs. If you feed in larger numbers, the VI returns
garbage.
Output
DTC (string) is the DTC string representation.
Description
The SAE J2012 standard specifies a naming scheme for 2-byte DTCs consisting of one letter
and four digits. Use DTC to String.vi to convert a DTC numerical representation to this
name.