Hyundai Sonata 1997–1998 — technical service bulletin
Bulletin 9840003 · NHTSA communication 601623 · issued Jun 1, 1998
Technical service bulletin
communication type
Power Train
component
1997–1998
model years
2
vehicle entries
Official summary
Vehicles may exhibit a harsh 3-2 downshift. *yc
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.