HaKCing OBD-II Emissions Testing

Presented at DEF CON 33 (2025), Aug. 9, 2025, 2:30 p.m. (20 minutes).

We're going to explore how OBD-II emissions testing works and how you might go about convincing the scanner that everything is fine. References: - [link](https://en.wikipedia.org/wiki/On-board_diagnostics) - [link](https://en.wikipedia.org/wiki/OBD-II_PIDs)

Presenters:

• Archwisp
  Long-time tech nerd, car enthusiast, and hardware hacker

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