# P0420 on the 2016 Honda Fit

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

- [10208156](https://open.wenmarpro.com/bulletins/10208156), 2022-02-22: Service Bulletin \- 2015\-16 Fit: MIL Is On with DTC P0420
- [10133022](https://open.wenmarpro.com/bulletins/10133022), 2018-04-16: Service bulletin \- The MIL is on and DTC P0420 \(catalyst system efficiency below threshold\) is set. Faulty fuel injectors in one or more cylinders may be affecting combustion and causing a false DTC P0420.