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U151B on the 2026 Genesis G80

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.

This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.

Bulletins for this model year that name U151B
26-01-077G TSB2026-10-09. Warranty extension. Certain GV70 Electrified (JK1A EV) and G80 Electrified (RG3 EV) vehicles may display a false warning light with Diagnostic Trouble Codes (DTC) U151A8C and/or U151B8C when vehicle is placed into “Ready” mode. This bulletin provides the procedure for updating the Vehicle Control Unit (VCU) software to address this condition.

1 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.