Service bulletins for the 2019 Kia Optima
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
153 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Electrical system are shown. Show all
| TSBENG195 | 2018-11-13. Service bulletin. ELECTRICAL SYSTEM. TSB: SERVICE ACTION: ECU FREEZE FRAME DATA LOGIC IMPROVEMENT (SA360) - This bulletin provides the procedure to improve the logic of the Engine Control Unit (ECU) on some 2019MY Niro (DE P/HEV), produced from July 19, 2018 through September 17, 2018, and some 2019MY Optima (Plug-in) Hybrid (JF P/HEV) vehicles, produced from July 6, 2018 through September 12, 2018, to enhance the ECU?s Freeze Frame Data logic. Follow the procedure outlined in this bulletin to apply the improved logic to the Engine system using the KDS ECU Upgrade function. For confirmation that the latest reflash has been applied to a vehicle you are working on, verify the ROM ID using the table on page 2 of this bulletin. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.