Technical documents

  • Smart 2 Tachograph (G2v2) compatibility

    The Smart Tachograph version 2 will be mandatory for newly registered vehicles as of 21 August 2023 and for all vehicles involved in international transport as of 21 August 2025.

    This document provides a compatibility overview for all Tachosys products and the required upgrade actions.

  • Preparing Stoneridge tachographs

    Details of Vehicle Unit parameters that need to be set for remote download to be successful.

  • VDO DTCO 4.0f fixes Remote Authentication issue

    Remote Download of VDO DTCO 4.0 tachographs not possible after any attempt is made to authenticate with a company card that has expired.

  • Tachograph card handling in Smart Tachograph

    Incorrectly issued card numbers creating authentication problems with the Smart tachograph.

  • DVLA Company Card letter

    Letter issued by DVLA to companies that have been supplied with Company Cards that have wrongly issued card numbers.

  • User guide for remote company card authentication and downloading

    Remote download errors are documented in the Heavy Truck Electronic Interfaces Working Group document -
    "User guide for remote company card authentication and remote data downloading."
    See Annex 2: User guidance for error cases (Page 49).

  • Driver Decision Support Compatibility

    The purpose of this document is to show which models of tachograph have implemented Driver Decision Support (DDS).

  • Data Packet forwarding from digiCentral

    The purpose of this document is to outline the information that can be forwarded from the digiCentral platform to third party solutions.

  • Smart Tachograph (Generation 2) compatibility

    This document provides a compatibility overview for all Tachosys products and the required upgrade actions.