National Instruments CAN 372139B-01 - Manual (Page 240)

Chapter 6 Automotive Diagnostic Command Set API for C
Automotive Diagnostic Command Set User Manual 6-76 ni.com
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.
Description
This VI performs the KWP2000 WriteDataByAddress service and writes RecordValues (data
values) to the ECU.
address and size identify the data. The vehicle manufacturer must
ensure the ECU conditions are met when performing this service. Typical use cases are
clearing nonvolatile memory, resetting learned values, setting option content, setting the
Vehicle Identification Number, or changing calibration values.
For further details about this service, refer to the ISO 14230-3 standard.