ISO 18541-1:2021

Road vehicles — Standardized access to automotive repair and maintenance information (RMI) — Part 1: General information and use case definition

Publication date:   Jun 15, 2021

General information

60.60 Standard published   Jun 15, 2021


ISO/TC 22/SC 31 Data communication

International Standard

43.040.15   Car informatics. On board computer systems | 43.180   Diagnostic, maintenance and test equipment



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This document provides a general overview and structure of each part of the ISO 18541 series. This document also describes the use cases applicable to the standardized access to automotive RMI. The use cases address real world scenarios (e.g. servicing vehicles) regarding the information access necessary to perform vehicle roadside assistance, inspection, diagnosis, repair and maintenance, including the updating and replacement of electronic control units (ECU).
Furthermore, this document defines requirements for granting access to security-related RMI in Annex A following the SERMI scheme.
The RMI systems used by personnel to perform the services consist of:
—    a web-based system, which provides access to RMI needed to perform the service(s);
—    contact information for specific RMI;
—    a security framework to protect access to security-related RMI (vehicle theft protection measures).
This document is applicable to light passenger vehicles and light commercial vehicles.

Life cycle


ISO 18541-1:2014


ISO 18541-1:2021
60.60 Standard published
Jun 15, 2021