# P0420 on the 2006 Nissan Frontier

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

- [10033344](https://open.wenmarpro.com/bulletins/10033344), 2010-08-12: NISSAN: DTC P0420 \(TW CATALYST SYS\-BI\) STORED IN THE ECM. CONFIRM THIS BULLETIN APPLIES\-CHECK THE CURRENT ECM PART NUMBER; COMPARE YOUR CURRENT ECM PART NUMBER TO CHART A. REPLACE THE EXHAUST MANIFOLD CATALYST; REPROGRAM THE ECM. \*PE