Service bulletins for the 2010 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.
34 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Engine are shown. Show all
| PS539 | 2018-04-16. Service bulletin. ENGINE AND ENGINE COOLING. PITSTOP - ENGINE COMPONENT RE-USE GUIDELINES - In general, parts and components removed during engine repairs should be considered serviceable, and should be thoroughly cleaned and transferred to the new engine. |
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| TSB-078 | 2011-05-21. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING:ENGINE. KIA: THERE IS A PROCEDURE TO RESET THE ELECTRONIC THROTTLE CONTROL VALUE. *RM |
| TSB-067 | 2010-10-30. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 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 |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.