# P0420 on the 2002 Honda Civic

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

- [10011763](https://open.wenmarpro.com/bulletins/10011763), 2005-02-01: DIAGNOSTIC TROUBLE CODE P0420 AND DATA RECORDER INSTALLATION. INVESTIGATION OF 2001\-2003 CIVICS WITH THE MALFUNCTION INDICATOR LIGHT \(MIL\) ON AND DIAGNOSTIC TROUBLE CODE \(DTC\) P0420 STORED. \*NM