Service bulletins for the 2018 Kia Niro
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.
100 on file from NHTSA, as of 2026-10-19.
About P1B77 on the 2018 Kia Niro: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P1B77 are shown. Show all
| TSBELE185 | 2019-09-06. Service bulletin. ELECTRICAL SYSTEM. TSBELE185: SERVICE ACTION: DE HEV BMS DTC (P1B77) JUDGEMENT LOGIC IMPROVEMENT (SA393) - This bulletin provides the procedure to improve the logic of the Body Control Module (BCM) on some Niro (DE HEV) vehicles, produced from July 9, 2018 through January 28, 2019, which may experience a BMS MIL ON DTC P1B77. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.