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Service bulletins for the 2023 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.

87 on file from NHTSA, as of 2026-10-19.

About P1BA8 on the 2023 Kia Niro: what the code means, and the bulletins and recalls about the same components.

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Only bulletins with trouble code: P1BA8 are shown. Show all

Bulletins, newest first
TSB_ELE280_R12023-02-02. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:THERMAL MANAGEMENT; ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN" SERVICE ACTION: EV BATTERY COOLANT AIR BLEEDING PROCEDURE (SA522) - 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 to perform the "Battery EWP Operation Mode for Degassing and Circulation" (battery coolant air bleeding procedure) on the Battery Management System (BMS) for some 2023MY Niro EV (SG2 EV) vehicles produced from July 11, 2022 through November 20, 2022, which may have inadvertent air trapped inside of the coolant line due to BMS software logic error of the heater relay, which may generate an MIL 'ON' with DTC P1BA800 stored.
TSB_ELE2802023-02-02. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:MANAGEMENT SYSTEM/ENERGY CONTROL MODULE (BMS/BECM):SOFTWARE; FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: SERVICE ACTION: EV BATTERY COOLANT AIR BLEEDING PROCEDURE (SA522) - This bulletin provides information to perform the "Battery EWP Operation Mode for Degassing and Circulation" (battery coolant air bleeding procedure) on the Battery Management System (BMS) for some 2023MY Niro EV (SG2 EV) vehicles produced from July 11, 2022 through November 20, 2022, which may have inadvertent air trapped inside of the coolant line due to BMS software logic error of the heater relay, which may generate an MIL 'ON' with DTC P1BA800 stored.

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