ISO 14229-2:2021

Road vehicles — Unified diagnostic services (UDS) — Part 2: Session layer services

This document specifies common session layer services and requirements to provide independence between unified diagnostic services (ISO?14229-1) and all transport protocols and network layer services (e.g. ISO?13400-2 DoIP, ISO?15765-2 DoCAN, ISO?10681-2 communication on FlexRay, ISO?14230-2 DoK-Line, and ISO?20794-3 CXPI).

This document specifies a common service primitive interface between OSI layer 5 (session) and layer?4 (transport) via so-called service request/indication/confirmation primitives.

Edition	2021
Standard Part No	2
Published Date	2021
Published By	International Standardization Organisation
Page Count	53