Hyundai Sonata 2024–2025 — service campaign
Bulletin 25-01-048H TSB · NHTSA communication 11023039 · issued Sep 2, 2025
Service campaign
communication type
Electrical System
component
2024–2025
model years
2
vehicle entries
Official summary
Certain Sonata (DN8) and Sonata (DN8) N-Line trim vehicles equipped with the Super Vision instrument cluster (12.3” wide) may have speedometers that display the incorrect speed and/or an inoperative turbo boost gauge. This bulletin provides instructions to perform a software update to resolve this concern.
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.