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Service campaign 25-01-026G DN

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService campaign
NHTSA id11018880
Published by NHTSA2025-06-03
Manufacturer's number25-01-026G DN
Manufacturer's date2025-05-13
Campaign id or software version912G
NHTSA componentFUEL/PROPULSION SYSTEM

NHTSA's summary

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.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Fuel system

Trouble codes named

P0461, P2066

Vehicles listed
GENESIS GV802025
GENESIS GV80 Coupe2025 (the catalog's model; the bulletin names a series or trim of it)

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
26V2290002026-04-10. FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
20261852026-04-09. Fuel System

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
25-01-026G OL2025-06-14. Service campaign. The California Air Resources Board has determined that certain 2025 model year Genesis GV80 and 2025 model year Genesis GV80 Coupe vehicles may be releasing air pollutants which exceed Federal and California standards. Genesis has become aware that some vehicles may NOT experience a warning lamp illumination related to the fuel level sensor circuit. Your Genesis retailer is conducting a service campaign to update the Engine Control Module (ECM) to improve the Fuel Level Sensor Logic.
25-01-026G TSB2025-06-03. 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.