British Standards Institution

Source:: ISO
Committee:: AUE/16 - Data Communication (Road Vehicles)
Categories:: Diagnostic, maintenance and test equipment
Comment period start date:: 12/06/2025
Comment period end date:: 05/08/2025
Number of comments:: 0

Comment by:

5th Aug

Scope

This document specifies data link independent requirements of diagnostic communication services, which allow a diagnostic tester (client) to control diagnostic functions in an in-vehicle electronic control unit (ECU, server) such as an electronic fuel injection, automatic gearbox, anti-lock braking system, etc. connected to a serial data link embedded in a road vehicle.

It specifies diagnostic communication services, which allow the diagnostic tester (client) to stop or to resume non-diagnostic message transmission on the data link.

This document does not apply to non-diagnostic message transmission on the vehicle's communication data link between two electronic control units. This document does not restrict an in-vehicle on-board tester (client) implementation in an ECU/server in order to utilize the diagnostic communication services on the vehicle's communication data link to perform bidirectional diagnostic data exchange.This document does not specify any implementation requirements.

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Please email further comments to: debbie.stead@bsigroup.com

Standard timeline

1. Proposal (Complete)

Proposal start date:

2. Draft (Complete)

Draft start date:

09/10/2023

3. Public Comments

Public Comments start date:

12/06/2025

Public Comments end date:

05/08/2025

Learn more about the standards development process

Standards Development

BS ISO 14229-1 ISO 14229-1 Road vehicles. Unified diagnostic services (UDS). Part 1: Application layer

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