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ISO/DIS 16844-4

Road vehicles — Tachograph systems — Part 4: Display unit communication interface

General information

40.20     Jul 10, 2026

ISO

ISO/TC 22/SC 31

International Standard

43.040.10  

Scope

This document specifies the CAN-based data communication between the display unit and other devices connected to an SAE J1939-based in-vehicle network. The provided requirements and recommendations cover physical, data link, network, and application layers according to the OSI reference model. Additionally, it specifies the parameter groups, which are supported.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 16844-4:2022

NOW

IN_DEVELOPMENT
ISO/DIS 16844-4
40.20 DIS ballot initiated: 12 weeks
Jul 10, 2026

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