P0455 on the 2006 Hummer H3
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.
| 050604055 | 2005-12-02. Service bulletin. SERVICE ENGINE SOON (SES) LIGHT ON, DIAGNOSTIC TROUBLE CODE(S) (DTC) P0442 SMALL EVAPORATIVE EMISSIONS (EVAP) LEAK AND/OR P0455 LARGE EVAP LEAK. *TT |
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| 3486 | 2005-10-24. Service bulletin. SERVICE ENGINE SOON (SES) LIGHT DUE TO P0455 - INSPECT FUEL FILL PIPE HOUSING POSITION. *TT |
2 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.