In this episode, host Suresh Sivavarman sits down with Sangeeta Theru, Virtual Validation Platform Lead at Stellantis. Together, they explore how the automotive industry is evolving from traditional hardware-centric testing frameworks to software-first engineering environments.

As software deployment velocity continues to outpace physical hardware availability, strictly relying on traditional hardware-in-the-loop (HIL) setups is shifting from a core strategy to an operational bottleneck. Sangeeta shares how Stellantis leverages a "shift-left" mindset by scaling software-in-the-loop (SIL) platforms to achieve faster time-to-market, minimize late-stage risks, and drastically lower the overhead costs of physical vehicle prototypes.

Key topics in this episode include:

• The "Shift-Left" Catalyst: Why system-level digital validation is essential for compressed, risk-mitigated development timelines.
• Overcoming the Trust Gap: How engineers can build confidence and establish reliable correlation between virtual behavior and physical target faults.
• What to Test in SIL vs. HIL: Understanding why 70% to 80% of functional and feature validation can bypass physical hardware requirements.
• Demystifying Virtual ECUs (VECUs): A breakdown of different abstraction levels, specifically unlocking the power of Level 3, Level 3 Plus, and Level 4 variants for system-level confidence.
• Global Complexity Management: How virtualization scales to support immense variation across complex global automotive brand portfolios.

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