National Instruments CAN 372139B-01 - Manual (Page 278)

Chapter 6 Automotive Diagnostic Command Set API for C
Automotive Diagnostic Command Set User Manual 6-114 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 function performs the UDS service WriteMemoryByAddress and writes RecordValues
(data values) into 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 15765-3 standard.