“VDA 4.1 is the result of listening closely to our customers’ needs,” says Mike Weglarz, ATI’s Executive Director, Software Products. “Engineers told us they needed greater flexibility in how they view and compare data across multiple monitors, native access to CAN and LIN bus trace data without switching tools, and smarter ways to collaborate on large MDF4 datasets across distributed teams. VDA 4.1 addresses all of this — and more.”

VDA 4.1 is designed for test engineers, calibration engineers, data analysts, and validation teams at OEMs, Tier 1 suppliers, and engineering service providers. The software supports a wide range of industries including automotive powertrain, chassis, EV/HEV, and ADAS development, as well as heavy truck and bus, agricultural, marine, aerospace, and off-highway applications — in short wherever ASAM MDF4-format test data is utilized.

Floating and Dockable Workspace: Pages and tabs can be freely undocked into independent windows and repositioned across multiple monitors. Panel Pages enable side-by-side views of graphs, data grids, GPS maps, and CAN/LIN bus trace data simultaneously. Chain Cursors links navigation across all open windows in real time, significantly improving multi-screen analysis workflows for rapid MDF4 file analysis.

CAN/LIN Trace Page: VDA 4.1 introduces native display of CAN and LIN bus messages recorded within MDF4 files, complete with message filtering, a time slider, and cursor synchronization with Trace pages.

Engineers can now inspect raw bus traffic correlated directly with measured signals inside the single VDA 4.1 application — eliminating the need for a separate CAN analysis tool.

Dashboard Page and Live Gauges: A new page type hosts circular and linear gauges, data lists, and text boxes that can be locked once configured and linked to Trace page cursors. VDA 4.1’s Dashboard provides a quick view of different data and a professional, presentation-ready data view purpose-built for test debriefs and live review sessions.

VISION Enterprise Integration (Optional): VDA 4.1 integrates fully with the forthcoming optional VISION Enterprise (VE) 1.0 collaboration platform, which will provide centralized MDF4 file storage, powerful 21-criteria metadata search, folder notifications, tag/property editing, and upload/download with progress tracking. NOTE: VISION Enterprise is available as a separately licensed add-on and is expected to launch later in Q2 2026.

Performance and Reliability: More than 30 targeted bug fixes address stability across calculated channels, MDF file handling, GPS visualizer with KML export, layout re-application, and ASCII export, making VDA 4.1 the most reliable version of the software to date.

VISION Data Analyzer 4.1 is available immediately as a subscription-based software license for 64-bit Windows 10 and Windows 11. Site licenses for corporate volume deployments are available on application. The soon-to-be launched VISION Enterprise collaboration module requires a separate VE server license.

“For engineering teams already using ATI VISION data acquisition hardware, VDA 4.1 is the natural next step,” says ATI Executive Vice-President (Commercial) Peter Knivett. “And for teams using any MDF4-compatible data logger, VDA 4.1 offers a professional-grade analysis environment at a price point that is highly competitive with far more complex toolchains. The combination of flexible workspace, CAN/LIN trace viewing, and optional future VISION enterprise collaboration makes this a compelling choice for control system development teams.”

Accurate Technologies Inc. (ATI) is a leading independent provider of automotive calibration, data acquisition, and data analysis software and hardware solutions, serving OEMs, Tier 1 suppliers, and engineering service organizations globally. Headquartered in Novi, Michigan and with global offices across Europe and Asia, ATI is committed to enabling faster, smarter, user-friendly engineering through innovative software and hardware tools.