National Instruments CAN 372139B-01 - Manual (Page 245)

Chapter 6 Automotive Diagnostic Command Set API for C
© National Instruments Corporation 6-81 Automotive Diagnostic Command Set User Manual
ndUDSControlDTCSetting
Purpose
Executes the UDS ControlDTCSetting service. Modifies Diagnostic Trouble Code (DTC)
behavior.
Format
long ndUDSControlDTCSetting(
TD1 *diagRef,
unsigned char type,
unsigned char dataIn[],
long len,
LVBoolean *success);
Input
diagRef
Specifies the diagnostic session handle, obtained from ndOpenDiagnostic and passed
to subsequent diagnostic functions. Normally, it is not necessary to manually manipulate
the elements of this struct.
type
Specifies the control mode:
1: on
2: off
dataIn
Specifies application-specific data that control DTC generation.
len
Must contain the number of valid data bytes in dataIn .
Output
success
Indicates successful receipt of a positive response message for this diagnostic service.
Return Value
The return value indicates the function call status as a signed 32-bit integer. Zero means the
function executed successfully. A negative value specifies an error, which means the function
did not perform the expected behavior. A positive value specifies a warning, which means the
function performed as expected, but a condition arose that may require attention.
Use the ndStatusToString function to obtain a descriptive string for the return value.