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 P1B25 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: P1B25 are shown. Show all
| PS515_R2 | 2019-03-18. Service bulletin. ELECTRICAL SYSTEM. PITSTOP: DTC P1B25/P1B77 ? 125 AMP HV FUSE INSPECTION - This bulletin has been revised to include additional information. When addressing a concern related to the 2011-2016MY Optima Hybrid (TF HEV) High Voltage (HV) warning light ON and KDS detects a primary DTC P1B25 (HV Path Fault) and secondary DTC P1B77 (HV Pre-Charge Fault), then the 125 Amp High Voltage Battery Fuse (red label), if not yet replaced with the newer 150 Amp, should be inspected for an intermittent and/or an open condition. The high voltage fuse is part of the safety plug located in the trunk. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.