Hyundai Palisade 2023–2025 — service campaign
Bulletin 9C9 OL · NHTSA communication 11028984 · issued Feb 21, 2026
Service campaign
communication type
Engine
component
2023–2025
model years
3
vehicle entries
Official summary
Hyundai has become aware that certain Palisade vehicles equipped with 3.8L GDI Lambda II engines may not meet engine-out NOx (Nitrogen Oxides) and Particulate Matter (PM) emission standards.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.