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Vehicle Electric Systems Workflow Forum (VES-WF)


since 2016


The development process for electrical wiring systems is undergoing a major change. Model-based development is intended to ensure greater efficiency and transparency. This subject is of prime importance to the Vehicle Electric Systems Workflow Forum, which is drawing up a model-based development process and defining a completely digital product model with the participation of OEMs and wire harness suppliers. The prostep ivip/VDA's VEC and KBL standards will also be subject to further development and maintenance. Use case-related tutorials and implementation guidelines will be made available to provide system vendors with support when implementing their interfaces.

Milestones 2019

The year was marked by the realignment of project activities, which was also reflected by changing the name of the project group to the Vehicle Electric Systems Workflow Forum. Focus has shifted from data modeling to application modeling. Requirements analysis for the interface between wiring harness development and manufacturing was completed and will form the basis for extensions to the model in 2020. Over 100 issues were handled, thus signaling the start of a comprehensive revision and expansion of the VEC recommendation. Active support was provided for the rounds of testing conducted by the ECAD Implementor Forum and implementation guidelines were made available. The publication method was changed to individual Wikis. Work on relaunching the ECAD Wiki was started.

Outlook 2020

It is intended that the revised VEC be published as version 1.2 of the recommendation at the beginning of 2020. This will also provide vendors with a new VEC XML schema. In addition to maintaining the KBL and VEC models, content-specific work will be performed in the context of manufacturing view, cross-enterprise change management and traceability. Additional implementation guidelines based on the testing performed by the ECAD IF will be developed as required. These will be published in the new, GIT-based ECAD Wiki. The ECAD Wiki will be relaunched in early 2020.


Jorgos Kyriazis, Volkswagen AG


Dr. Max Ungerer
E-Mail: max.ungerer(at)
Tel.: +49 6151 9287-361
Fax: +49 6151 9287-326

Project Partner

Daimler AG
Kromberg & Schubert GmbH & Co. KG
LEONI Bordnetz-Systeme GmbH
Nexans autoelectric GmbH
Sumitomo Electric Bordnetze SE
Volkswagen AG
Yazaki Systems Technologies GmbH


We are eager to help you with any questions concerning your project or selection of publications

+49 6151 9287-336


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