Hyundai Genesis 2009 — technical service bulletin
Bulletin TSB-09-AT-014 · NHTSA communication 10030942 · issued Jul 1, 2009
Technical service bulletin
communication type
Power Train
component
2009
model years
1
vehicle entries
Official summary
Hyundai: to update the transmission control module (tcm) with the most recent calibration for vehicles to reduce vibration or shudder from the automatic transmission during the light acceleration from 50-62mph. *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.