P0455 on the 2014 GMC Yukon
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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| 15-NA-019 | 2021-09-07. Service bulletin. Fuel Odor During Fuel Filling or During Idle, Possible P0442 or P0455 DTC SET |
| 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. |
| 15-NA-019 | 2021-04-20. Service bulletin. Fuel Odor During Fuel Filling or During Idle, Possible P0442 or P0455 DTCs Set Some customers may comment on a strong fuel odor during fuel filling or during vehicle idle. Cause This may be caused by the fracture or breaking of the gasoline filler neck recirculation line connector Correction If you encounter a vehicle with the above concern, complete the following procedure: 1. Raise the vehicle and visually inspect the fuel tank filler vent hose connector for damage. Refer to Lifting and Jacking the Vehicle in SI. • If connector is damaged, replace the fuel tank filler vent hose. Refer to Fuel Tank Filler Vent Hose Replacement in SI. • If there is no damage to the connector, continue diagnosis referring to SI. |
5 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.