# P0404 on the 2021 Nissan Altima

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 P0404

- [10226132](https://open.wenmarpro.com/bulletins/10226132), 2022-11-12: DTC P0404 STORED IN THE ECM AT TEMPERATURES BELOW 32°F IF YOU CONFIRM DTC P0404 \(EGR A CONTROL\) is stored in the ECM at temperatures below 32°F. ACTION 1. Confirm the current ECM part number. 2. Reprogram the ECM, if applicable.