Case study

RedFIS: reconstructing the Audi A3 8P display protocol

RedFIS investigates the Audi A3 8P dashboard Driver Information System protocol and implements an alternative display controller on ESP32. Its source covers CAN communication, VWTP handling, display decoding and wiring for supported instrument clusters.

Targets: Protocol
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-07
Evidence class: C2 code & docs, no demo or download

Stars: 15
Last commit: 2025-12-21
Language: C
License (GitHub): AGPL-3.0

GitHub data as of 2026-11-10

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Evidence

Observed: Code, documentation and a demo observed; no download method found.
Checked: 2026-11-09

How evidence classes are assigned

Requirements & limits

Prerequisites: Requires an Audi A3 8P instrument cluster and ESP32 hardware connected to its CAN lines.
Scope: For a cluster numbered 8P0 920 930 with RNS-E installed, an alternative VWTP CAN ID can be selected; a cluster numbered 8P0 920 931 requires the Navigation VWTP CAN ID.
Limits: The author describes some entry and exit display scenarios as buggy.
License: AGPL-3.0 License.

Cite

BibTeX

@misc{a3-8p-redfis-case,
  title = {{RedFIS: reconstructing the Audi A3 8P display protocol}},
  howpublished = {\url{https://github.com/tothpetiszilard/a3_8p_redFIS}},
  url = {https://github.com/tothpetiszilard/a3_8p_redFIS},
  urldate = {2026-11-07},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/a3-8p-redfis-case/}}
}

Plain text

RedFIS: reconstructing the Audi A3 8P display protocol. https://github.com/tothpetiszilard/a3_8p_redFIS (accessed 2026-11-07). Awesome REA entry: https://awesomerea.org/resources/a3-8p-redfis-case/

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About this entry

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Primary sources

README.md GitHub · tothpetiszilard/a3_8p_redFIS · Revision 5349d0d
connection.md GitHub · tothpetiszilard/a3_8p_redFIS · Revision 5349d0d