P0455 on the 2016 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.
| 21-NA-124 | 2023-01-06. Service bulletin. 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. |
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| 21NA124 | 2021-07-19. Service bulletin. 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. |
| 21NA124 | 2021-07-06. Service bulletin. 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. |
| 17NA383 | 2018-06-11. Service bulletin. 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. |
4 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.