Hyundai Sonata 2008 — technical service bulletin
Bulletin 08-AT-004 · NHTSA communication 10025101 · issued May 1, 2008
Technical service bulletin
communication type
Power Train
component
2008
model years
1
vehicle entries
Official summary
Ecm and tcm update - vibration, shudder or boom noise at 38-42 mph. *pe
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.