P0456 on the 2009 Hyundai Genesis
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.
| TSB-10-01-025 | 2010-11-19. Service bulletin. HYUNDAI: ECM UPDATE-MIL ON WITH DTC P0456. SOME VEHICLES MAY EXPERIENCE MALFUNCTION INDICATOR LAMP ILLUMINATION FOR DTC P0456 (EVAPORATIVE EMISSION SYSTEM-VERY SMALL LEAK DETECTED). *PE |
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| TSB-09-FL-009 | 2010-02-02. Service bulletin. HYUNDAI: ECM UPDATE. MIL ON WITH DTC P0456. SOME VEHICLES MAY EXPERIENCE A MALFUNCTION INDICATOR LAMP ILLUMINATION FOR DTC P0456 (EVAPORATIVE EMISSION SYSTEM - VERY SMALL LEAK DETECTED). *PE |
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.