# P0448 on the 2021 Infiniti QX50

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 P0448

- [10229604](https://open.wenmarpro.com/bulletins/10229604), 2023-01-10: MIL ON WITH DTC P0448 STORED IN THE ECM IF YOU CONFIRM The MIL is ON with DTC P0448 \(VENT CONTROL VALVE\) stored in the ECM. ACTION See Repair Overview on page 2 for diagnostic procedure.