Hyundai Tucson 2023–2025 — technical service bulletin
Bulletin 26-BE-003H TSB · NHTSA communication 11028954 · issued Feb 12, 2026
Technical service bulletin
communication type
Unknown OR Other
component
2023–2025
model years
3
vehicle entries
Official summary
Some Tucson (NX4A) vehicles may have an inoperable horn that may be caused by foreign substances causing internal parts to oxidize. This bulletin provides instructions on how to replace both inoperative horns.
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.