Kia Optima Hybrid 2011–2015 — technical service bulletin
Bulletin PS328 · NHTSA communication 10109747 · issued Aug 1, 2014
Technical service bulletin
communication type
Fuel System, Gasoline
component
2011–2015
model years
5
vehicle entries
Official summary
PITSTOP: HESITATION IN ELECTRIC AND GAS MODES - When diagnosing an Optima Hybrid with an off idle hesitation concern that can be duplicated, and no DTC(s) codes (active or history) are stored, access MCU > Current Data to check the status of the MCU warning flag.
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.