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P0506 on the 2026 Hyundai Palisade

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.

Bulletins for this model year that name P0506
26-01-021H DCS2026-03-04. Service campaign. Certain Palisade Hybrid (LX3 HEV) vehicles equipped with the 2.5T-GDI HEV engine may set DTC P050500/P050600. Technical Service Bulletin (TSB) 26-01-021H provides instructions to perform a software update on the Engine Control Module (ECM) to resolve this condition.
26-01-021H TSB2026-03-04. Service campaign. Certain Palisade Hybrid (LX3 HEV) vehicles equipped with the 2.5T-GDI HEV engine may set DTC P050500/P050600. This bulletin provides instructions to perform a software update on the Engine Control Module (ECM) to resolve this condition.

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.