o3DIAG is a diagnostic application designed to work with OBD-II vehicles through an ELM327 adapter. It provides an easy way to connect, read vehicle data, and interpret diagnostic trouble codes (DTCs).
Cost / License
- Free
- Open Source
Platforms
- Windows
- Debian



o3DIAG is the most popular Windows alternative to OBD Car Doctor.
o3DIAG is the most popular Open Source & free alternative to OBD Car Doctor.
- o3DIAG is Free and Open Source










































