Publicly Available Specification
ISO/PAS 15118-202:2025
Road vehicles — Vehicle to grid communication interface — Part 202: Extensible SECC Discovery Protocol and Event Notification Protocol
Reference number
ISO/PAS 15118-202:2025
Edition 1
2025-09
© ISO 2026
Publicly Available Specification
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Published (Edition 1, 2025)

ISO/PAS 15118-202:2025

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Abstract

This document specifies the Extensible SECC Discovery Protocol (ESDP) as well as the Event Notification Protocol (ENP) that are intended to be used in conjunction with other protocols as defined in ISO 15118-2 and ISO 15118-20 as well as documents from other organizations such as DIN or SAE (e.g. DIN/TS 70121 or SAE J2847/2).

These protocols can be used in addition to the existing SECC Discovery Protocol defined by the aforementioned documents. They offer additional functionality that makes the digital communication for EV charging more robust and allows to better determine the reason of failures.

In this document, the scope is limited to the already existing communication protocols. Thus, it is only an addition to already existing communication protocols. Basic requirements regarding for example IP communication, or the Vehicle-To-Grid Transport Protocol (V2GTP) are not needed, as they are already specified in the respective document of the used communication protocol.

General information

  • Status
     : Published
    Publication date
     : 2025-09
    Stage
    : International Standard to be revised [90.92]
  • Edition
     : 1
    Number of pages
     : 33
  • Technical Committee :
    ISO/TC 22/SC 31
    ICS :
    43.120 
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