Kia Optima 2009–2010 — technical service bulletin
Bulletin TSB-067 · NHTSA communication 10034250 · issued Apr 1, 2010
Technical service bulletin
communication type
Engine and Engine Cooling
component
2009–2010
model years
2
vehicle entries
Official summary
Kia: ecm upgrade for improved shift quality-equipped with 2.4l engine and a/t. Provides the procedure to upgrade the engine control module (ecu) of some vehicles with 2.4l engines. Complaints of poor shift quality/pattern during up shifts and down shifts; this upgraded logic will reduce those complaints. *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.