National Instruments CAN 372139B-01 - Manual (Page 47)

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.