# P0420 on the 2001 Infiniti I30

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

- [619822](https://open.wenmarpro.com/bulletins/619822), 2001-07-02: MALFUNCTION INDICATOR LAMP ON WITH DIAGNOSTIC TROUBLE CODE P0420 \(THREE WAY CATALYST FUNCTION\) STORED IN THE ECM. \*TT