# P0420 on the 2005 Volkswagen Beetle

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

Nobody has written a description of this code yet.

## Bulletins for this model year that name P0420

- [10024627](https://open.wenmarpro.com/bulletins/10024627), 2008-04-29: UPDATE PROGRAMMING, MIL ON OR FLASHING, DTC P0420 STORED IN ECM. \*NJ