# OBD2-Fehlercodes

Source: https://obdlens.com/de/codes/
Last built: 941ad311c197960f285f

[Diagnostic knowledge](https://obdlens.com/knowledge/)

Hier finden Sie die veröffentlichten Fehlercode-Seiten auf Deutsch. Weitere Codes stehen in der englischen Referenz.

- [Fehlercode P0420: Katalysator-Wirkungsgrad unter Schwellenwert (Bank 1)](https://obdlens.com/de/codes/p0420/)
- [Fehlercode P0171: System zu mager (Bank 1)](https://obdlens.com/de/codes/p0171/)
- [Fehlercode P0300: zufällige oder mehrfache Zündaussetzer erkannt](https://obdlens.com/de/codes/p0300/)
- [Fehlercode P0401: Abgasrückführung (AGR), Durchfluss zu gering erkannt](https://obdlens.com/de/codes/p0401/)
- [Fehlercode P0101: Luftmassenmesser (LMM), Bereichs-/Leistungsproblem](https://obdlens.com/de/codes/p0101/)

[English: all code references](https://obdlens.com/knowledge/)

Reference-family membership is not proof that a code applies to every listed ECU or vehicle. Runtime-ready definitions are not physical-vehicle validation. Unavailable readings must not be treated as zero. App and hardware sale availability must be checked separately.

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Reference-family membership is not proof that a code applies to every listed ECU or vehicle. Runtime-ready definitions are not physical-vehicle validation. Unavailable readings must not be treated as zero. App and hardware sale availability must be checked separately.