Hyundai Sonata 2024–2025 — service campaign
Bulletin TDQ/TDQA WebDCS 2 · NHTSA communication 11023286 · issued Sep 19, 2025
Service campaign
communication type
Electrical System
component
2024–2025
model years
4
vehicle entries
Official summary
The issue regarding the cluster speedometer software upgrade failures when attempting to update to the latest version has been resolved. Technical Service Bulletins (TSBs) 25-01-048H & TSB 25-01-049H are available today as of 9:00AM PST and the affected VIN population has been reactivated.
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.