Hyundai Sonata 2009–2010 — technical service bulletin
Bulletin TSB-09-01-030 · NHTSA communication 10033664 · issued Nov 1, 2009
Technical service bulletin
communication type
Electrical System
component
2009–2010
model years
2
vehicle entries
Official summary
Hyundai: ecm update. Provides a procedure to update the ecm software for manual transmission equipped vehicles to the most recent version. Verify the version of the ecm rom id before attempting to update the vehicles software. *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.