Service bulletins for the 2016 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.
293 on file from NHTSA, as of 2026-10-19.
About P0128 on the 2016 Kia Optima: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P0128 are shown. Show all
| TSBENG206 | 2019-08-07. Service bulletin. ENGINE; ELECTRICAL SYSTEM:SOFTWARE. TSB: 1.6T GDI ULEV MIL ON LOGIC IMPROVEMENT FOR P0128 - This bulletin provides the procedure to improve the logic of the ECU (Electronic Control Unit) on some 2016-2017MY Optima (JFa) 1.6T GDI ULEV DCT vehicles, produced from September 28, 2015 through September 03, 2016, which exhibit a MIL (Malfunction Indicator Lamp) illuminated with DTC P0128, even though there are no system faults. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.