VIODIAGNOSTICINFO

This structure provides the data about a single code retrieved from the vehicle.

Syntax

typedef struct {
DWORD cbFixed;
DWORD cExtraFields;
DWORD dwSystem;
DWORD dwSubsystem;
VIODIAGNOSTICFIELD vdiFields[1];
}

Members

cbFixed

Size, in bytes, of the fixed diagnostic members in the structure.

cExtraFields

Number of extra members provided for this diagnostic item.

dwSystem

Specifies the identifier of the system providing this diagnostic code. It is one of values shown in the following table.

Data value type	Value
VIOTC_SYS_UNKNOWN	0
VIOTC_SYS_POWERTRAIN	1
VIOTC_SYS_BODY	2
VIOTC_SYS_CHASSIS	3
VIOTC_SYS_NETWORK	4

dwSubsystem

Specifies the identifier of the subsystem providing this diagnostic code. It is one of the values shown in the following table.

Data value type	Value
VIOTC_SUBSYS_UNKNOWN	0
VIOTC_FUEL_AIR_METERING	1
VIOTC_IGNITION_SYSTEM_OR_MISFIRE	2
VIOTC_AUX_EMISSION_CONTROL	3
VIOTC_VEHSPEED_IDLE_AUXINPUTS	4
VIOTC_COMPUTER_AUX_OUTPUTS	5
VIOTC_TRANSMISSION	6
VIOTC_ANTILOCK_BRAKES	32
VIOTC_TRACTION_CONTROL	33
VIOTC_STEERING	34
VIOTC_SUSPENSION	35
VIOTC_SUPPLEMENTAL_RESTRAINTS	64
VIOTC_CLIMATE_CONTROL	65
VIOTC_INSTRUMENT_PANEL	66
VIOTC_MEMORY_SEATS_MIRROR	67
VIOTC_LIGHTING_CONTROL	68
VIOTC_ANTI_THEFT	69
VIOTC_TRIP_COMPUTER	70
VIOTC_SUBSYSTEM_OTHER	255

vdiFields

First VIODIAGNOSTICFIELD structure that contains extra attributes about the diagnostic code.