P2066 on the 2025 Genesis GV80
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.
| 25-01-026G TSB | 2025-06-03. Service campaign. Certain 2025MY GV80 and GV80 Coupe (JX1) vehicles equipped with the 3.5T-GDI Lambda III engine may NOT experience a warning lamp illumination of DTC P0461/P2066 when the calculated fuel consumption and the fuel consumption calculated from the fuel level sensor signal is over its threshold value. Follow the service procedure outlined in this bulletin to update the engine control module to revise the fuel level sensor warning light logic. |
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| 25-01-026G DN | 2025-06-03. Service campaign. Certain 2025MY GV80 and GV80 Coupe (JX1) vehicles equipped with the 3.5T-GDI Lambda III engine may NOT experience a warning lamp illumination of DTC P0461/P2066 when the calculated fuel consumption and the fuel consumption calculated from the fuel level sensor signal is over its threshold value. |
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.