# P0442 on the 2021 Chevrolet Silverado

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 P0442

- [11016945](https://open.wenmarpro.com/bulletins/11016945), 2025-04-10: This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446, P0455 or P0449, Caused by Dust Intrusion into the Evaporative Canister.
- [11010573](https://open.wenmarpro.com/bulletins/11010573), 2024-11-16: This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446, P0455 or P0449, Caused by Dust Intrusion into the Evaporative Canister.
- [10251357](https://open.wenmarpro.com/bulletins/10251357), 2024-03-06: This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446, P0455 or P0449, Caused by Dust Intrusion into the Evaporative Canister.
- [10244171](https://open.wenmarpro.com/bulletins/10244171), 2023-10-16: This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446, P0455 or P0449, Caused by Dust Intrusion into the Evaporative Canister.
- [10239087](https://open.wenmarpro.com/bulletins/10239087), 2023-07-12: This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446, P0455 or P0449, Caused by Dust Intrusion into the Evaporative Canister.
- [10228888](https://open.wenmarpro.com/bulletins/10228888), 2023-01-06: This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.
- [10199281](https://open.wenmarpro.com/bulletins/10199281), 2021-07-19: This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.
- [10198890](https://open.wenmarpro.com/bulletins/10198890), 2021-07-06: This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.