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ISO/CD 16844-4

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

General information

Current stage: 30.99 Effective date: May 21, 2025

Originator: ISO

Owner: ISO/TC 22/SC 31

Type: International Standard

ICS: 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

PROJECT
ISO/CD 16844-4
30.99 CD approved for registration as DIS
May 21, 2025