Hyundai Santa FE Hybrid 2024–2025 — service campaign
Bulletin 25-01-028H TSB · NHTSA communication 11017338 · issued Apr 23, 2025
Service campaign
communication type
Seats
component
2024–2025
model years
2
vehicle entries
Official summary
Certain Santa Fe Hybrid (MX5A HEV) vehicles may experience battery drain due to incorrect ECU logic for the Seat Heater Unit – Front (SHU_FRT). This bulletin provides instructions to perform a software update for the Seat Heater Unit – Front to correct the logic.
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.