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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.

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Only bulletins with type: Service campaign are shown. Show all

Bulletins, newest first
SC345_QA2025-08-20. Service campaign. POWER TRAIN. VOLUNTARY SERVICE CAMPAIGN: QUESTION AND ANSWER (SC345) - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Voluntary Service Campaign SC.
SC345_OWNR_SG22025-08-20. Service campaign. POWER TRAIN. VOLUNTARY SERVICE CAMPAIGN: OWNER NOTIFICATION (SC345) - This document is the owner notification advising that Kia is conducting a Voluntary Service Campaign to replace the gear oil in the front motor and gear reduction assembly, and fill it to the factory-specified amount in certain Niro EV vehicles, manufactured from December 12, 2022 through February 7, 2024.
SC345_DPSM2025-08-20. Service campaign. POWER TRAIN. VOLUNTARY SERVICE CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO (SC345) - This document is the announcement to the dealer Parts and Service managers advising that Kia is conducting a Voluntary Service Campaign to replace the gear oil in the front motor and gear reduction assembly, and fill it to the factory-specified amount in certain 2023-2024MY EV6 vehicles, manufactured from December 14, 2022 through February 22, 2024 and Niro EV vehicles, manufactured from December 12, 2022 through February 7, 2024.
SC345_DP2025-08-20. Service campaign. POWER TRAIN. VOLUNTARY SERVICE CAMPAIGN: DEALER PRINCIPAL MEMO (SC345) - This document is the announcement to the dealer principals advising that Kia is conducting a Voluntary Service Campaign to replace the gear oil in the front motor and gear reduction assembly, and fill it to the factory-specified amount in certain 2023-2024MY EV6 vehicles, manufactured from December 14, 2022 through February 22, 2024 and Niro EV vehicles, manufactured from December 12, 2022 through February 7, 2024.
SC335_QA2025-02-26. Service campaign. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. VOLUNTARY SERVICE CAMPAIGN: QUESTION AND ANSWER (SC335) - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Voluntary Service Campaign SC335.
SC335_DPSM2025-02-26. Service campaign. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. VOLUNTARY SERVICE CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO (SC335) - This document is the announcement to the dealer Parts and Service managers advising that Kia is conducting a Voluntary Service Campaign to update the battery management system (BMS) to prevent overcharging of the 12V Lithium battery in certain 2023-2024 MY Sportage Hybrid (HEV) vehicles manufactured from February 15, 2022 through October 28, 2023 and certain 2023-2024 MY Niro Hybrid (HEV) vehicles manufactured from June 21, 2022 through February 6, 2023, that have not had SA553 completed yet. This Voluntary Service Campaign supersedes SA553.
SC335_DP2025-02-26. Service campaign. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. VOLUNTARY SERVICE CAMPAIGN: DEALER PRINCIPAL MEMO (SC335) - This document is the announcement to the dealer principals advising that Kia is conducting a Voluntary Service Campaign to update the battery management system (BMS) to prevent overcharging of the 12V Lithium battery in certain 2023-2024 MY Sportage Hybrid (HEV) vehicles manufactured from February 15, 2022 through October 28, 2023 and certain 2023-2024 MY Niro Hybrid (HEV) vehicles manufactured from June 21, 2022 through February 6, 2023, that have not had SA553 completed yet. This Voluntary Service Campaign supersedes SA553.
SC323_TSB2024-10-30. Service campaign. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. TECHNICAL SERVICE BULLETIN: VOLUNTARY SERVICE CAMPAIGN: VCMC LOGIC IMPROVEMENT (SC323) - This bulletin provides information to improve the software logic in the Vehicle Charging Management System (VCMS) on certain 2023-2024MY Niro EV (SG2 EV) vehicles produced from July 11, 2022 through February 23, 2024. While charging using a 240-V AC (“Level 2”) charger, the subject vehicles may experience an interrupted charging session or a lower charging speed due to a degraded electrical connection from exposure to a damaged charging cable connector. Dealers are to update the ‘VCMS’ ECU with improved software to improve charging speeds and reduce interrupted charging sessions.
SC323_QA2024-10-30. Service campaign. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. VOLUNTARY SERVICE CAMPAIGN: QUESTION AND ANSWER (SC323) - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Voluntary Service Campaign SC323.
SC323_OWNR2024-10-30. Service campaign. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. VOLUNTARY SERVICE CAMPAIGN: OWNER NOTIFICATION (SC323) - This document is the owner notification advising that Kia is conducting a Voluntary Service Campaign to update the Vehicle Charge Management System (VCMS) Electronic Control Unit (ECU) with improved software in certain 2023-2024 MY Niro EV vehicles.
SC323_DPSM2024-10-30. Service campaign. FUEL/PROPULSION SYSTEM; ELECTRICAL SYSTEM. VOLUNTARY SERVICE CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO (SC323) - This document is the announcement to the dealer Parts and Service managers advising that Kia is conducting a Voluntary Service Campaign to update the VCMS ECU software to improve charging speeds and reduce interrupted charging sessions on certain 2023-2024 MY Niro EV vehicles, manufactured from July 11, 2022 through February 23, 2024.
SC323_DP2024-10-30. Service campaign. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. VOLUNTARY SERVICE CAMPAIGN: DEALER PRINCIPAL MEMO (SC323) - This document is the announcement to dealer principals advising that Kia is conducting a Voluntary Service Campaign to update the VCMS ECU software to improve charging speeds and reduce interrupted charging sessions on certain 2023-2024 MY Niro EV vehicles, manufactured from July 11, 2022 through February 23, 2024.

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