ISO 16844-4:2022
Road vehicles — Tachograph systems — Part 4: Display unit communication interface

Standard No.

ISO 16844-4:2022

Release Date

2022

Published By

International Organization for Standardization (ISO)

Latest

ISO 16844-4:2022

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.

ISO 16844-4:2022 Referenced Document

• ISO 11898-1 Road vehicles - Controller area network (CAN) - Part 1: Data link layer and physical signalling
• ISO 16844-1 Road vehicles — Tachograph systems — Part 1: Electromechanical components
• ISO 16844-7 Road vehicles — Tachograph systems — Part 7: Parameters*， 2022-05-03 Update
• SAE J1939DA J1939 Digital Annex*， 2024-02-08 Update

ISO 16844-4:2022 history

• 2022 ISO 16844-4:2022 Road vehicles — Tachograph systems — Part 4: Display unit communication interface
• 2015 ISO 16844-4:2015 Road vehicles - Tachograph systems - Part 4: CAN interface
• 2004 ISO 16844-4:2004 Road vehicles - Tachograph systems - Part 4: CAN interface