Hyundai Santa Cruz 2021–2025 — technical service bulletin
Bulletin 26-AT-001H TSB · NHTSA communication 11029937 · issued Mar 3, 2026
Technical service bulletin
communication type
Power Train
component
2021–2025
model years
11
vehicle entries
Official summary
Some Santa Cruz (NXT), Santa Fe (TMA, MX5A), and Sonata (DN8A) models may require replacement of the 8-speed wet dual clutch transmission (8WDCT) when the vehicle sets one of the high pressure electric oil pump (HP EOP) DTCs listed below. This bulletin provides instructions to replace the 8WDCT.
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.