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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.

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Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
TSBENG178_R12018-05-14. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. TSB - DATA COLLECTION: EXTRACT CALIFORNIA EMISSIONS DATA FROM ECU (DC18) - This bulletin has been revised to include additional information. This bulletin provides information related to extracting ?in use performance tracking? emissions data from the Engine Control Unit (ECU) of certain vehicles sold in California.
PS5392018-04-16. 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.
TSBENG1782018-02-12. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. TSB - DATA COLLECTION: EXTRACT CALIFORNIA EMISSIONS DATA FROM ECU (DC18) - This bulletin provides information related to extracting ?in use performance tracking? emissions data from the Engine Control Unit (ECU) of certain vehicles sold in California.
PS505R12017-12-22. Service bulletin. ENGINE AND ENGINE COOLING. PITSTOP - OIL GRADE AND VISCOSITY - For 2017-18MY Niro (DE HEV) vehicles equipped with the 1.6L GDI Kappa engine, the recommended oil grade/spec to use is 0W-20 API SN synthetic oil or ACEA C2 SAE 5W-30 (petroleum based oil).
PS5052017-11-14. Service bulletin. ENGINE. PITSTOP - OIL GRADE AND VISCOSITY - For 2017-18MY Niro (DE HEV) vehicles equipped with the 1.6L GDI Kappa engine, the recommended oil grade/spec to use is 0W-20 API SN synthetic oil or ACEA C2 SAE 5W-30 (petroleum based oil).

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.