# P0446 on the 2017 Buick Encore

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 P0446

- [10140338](https://open.wenmarpro.com/bulletins/10140338), 2018-06-11: This technical bulletin provides a procedure to replace the evap canister for vehicles with the condition of Malfunction Indicator Lamp \(MIL\) Illuminated with DTC P0446 or P0455 Set due to spiders laying a nest within the canister.
- [10113463](https://open.wenmarpro.com/bulletins/10113463), 2017-08-15: This Preliminary Information communication provides information to the technician about vehicles that have a check engine light. Technician will find Diagnostic Trouble Code P0446. Technician will need to replace the Evaporative Emissions System canister if spider nesting in the fresh air inlet port.
- [10113347](https://open.wenmarpro.com/bulletins/10113347), 2017-08-15: This Preliminary Information communication provides information to the technician about vehicles that have a check engine light. Technician will find Diagnostic Trouble Code P0446. Technician will need to replace the Evaporative Emissions System canister if spider nesting in the fresh air inlet port.
- [10113316](https://open.wenmarpro.com/bulletins/10113316), 2017-08-15: This Preliminary Information communication provides information to the technician about vehicles that have a check engine light. Technician will find Diagnostic Trouble Code P0446. Technician will need to replace the Evaporative Emissions System canister if spider nesting in the fresh air inlet port.