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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: Heating and air conditioning are shown. Show all

Bulletins, newest first
TSB_CLI049_R12023-07-05. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:COMPRESSOR; VISIBILITY. TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR - ELECTRICAL A/C COMPRESSOR - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information regarding partial repair of the Air Conditioning (A/C) compressor assembly on some 2011MY~ Optima Hybrid (TF HEV, JF HEV/PHEV), 2015MY~ Soul EV (PS EV), 2017MY~ Niro (DE HEV/PHEV/EV), 2022MY~ EV6 (CV), 2021MY~ Sorento (MQ4 HEV/PHEV), 2023MY~ Sportage (NQ5 HEV/PHEV), and 2023MY~ Niro (SG2 EV/HEV/PHEV) vehicles.
TSB_CLI0492020-07-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL; EQUIPMENT:APPLIANCE:AIR CONDITIONER. TECHNICAL SERVICE BULLETIN: PARTIAL REPAIR - ELECTRICAL A/C COMPRESSOR - This bulletin provides information regarding partial repair of the Air Conditioning (A/C) compressor assembly on some 2011MY~ Optima (TF HEV, JF HEV/PHEV/EV), Soul (PS EV) and Niro (DE HEV/PHEV/EV) vehicles.
PS5542018-05-14. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. PITSTOP - DTC?S P0A0F AND P040400 AND/OR IMPROPER A/C OPERATION - When addressing a concern related to DTC?s P0A0F (Engine failed to start), P040400 (Exhaust Gas Recirculation Control Circuit Range/Performance), and/or improper A/C system operation, note that the cause may be related to a shorted A/C Pressure Transducer Wiring Harness (B) as a result of interference with the engine drive belt idler pulley, in vehicles produced prior to August 21, 2017. If this condition is found, the harness (A) should be repaired, re-routed and secured away from the pulley to prevent it from damage. Confirm all related components are functioning as designed.

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