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Service bulletins for the 2024 Hyundai Kona

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.

38 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
26-01-035H TSB2026-04-15. Service campaign. ELECTRICAL SYSTEM. Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink functions. This may be due to an occasional disconnection on Verizon’s communication network. Follow the procedures in this bulletin to verify Bluelink Data Communication Unit (DCU) network connection and if needed, reset the DCU in Dealer Mode to resolve the connection.
25-01-044H TSB2025-08-14. Service campaign. EXTERIOR LIGHTING. Some Kona Electric (SX2 EV) vehicles may experience battery drain due to faulty logic keeping the taillights illuminated while the vehicle is parked and turned off. Follow the procedures outlined in this TSB to update the Body Domain Controller (BDC) to the latest software.
25-01-043H TSB2025-08-14. Service campaign. EXTERIOR LIGHTING. Some Kona (SX2) vehicles may experience battery drain due to faulty logic keeping the taillights illuminated while the vehicle is parked and turned off. Follow the procedures outlined in this TSB to update the Body Domain Controller (BDC) to the latest software.
25-01-042H TSB2025-07-15. Service campaign. POWER TRAIN. Certain 2024MY Kona Electric (SX2 EV) and 2023-2024MY IONIQ 5 (NE EV) vehicles are equipped with a Motor and Reduction Gear System, also known as Motor-Gear Driven Unit (MGDU), that may have received an incorrect amount of oil/fluid during manufacturing. In some cases, the motor and/or reduction gear can produce a grinding/whining noise during operation. Follow the procedures in this bulletin to drain the existing oil and replace it with new oil to resolve this condition.
25-01-018H-1 TSB2025-05-27. Service campaign. ELECTRICAL SYSTEM. Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink functions. This may be due to an occasional disconnection on Verizon’s communication network. Follow the procedures in this bulletin to verify Bluelink Data Communication Unit (DCU) network connection and if needed, reset the DCU in Dealer Mode to resolve the connection.
25-01-018H TSB2025-03-05. Service campaign. ELECTRICAL SYSTEM. Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink functions. This may be due to an occasional disconnection on Verizon’s communication network. Follow the procedures in this bulletin to verify Bluelink Data Communication Unit (DCU) network connection and if needed, reset the DCU in Dealer Mode to resolve the connection.
25-01-017H DN2025-03-05. Service campaign. ELECTRICAL SYSTEM. On certain 2024MY Kona (SX2) vehicles the Central Communication Unit (CCU) is not providing the WiFi Hotspot setting information, specifically, the Mac address.
25-01-017H TSB2025-03-05. Service campaign. ELECTRICAL SYSTEM. On certain 2024MY Kona (SX2) vehicles the Central Communication Unit (CCU) is not providing the WiFi Hotspot setting information, specifically, the Mac address. Follow the procedure in this TSB to update the software of the Central Communication Unit (CCU) in both units 1 and 3 to resolve this condition.
25-01-013H TSB2025-02-25. Service campaign. ELECTRICAL SYSTEM. Certain Kona Electric (SX2 EV) vehicles may exhibit a dead battery concern linked to the Multimedia Keyboard (MKBD) logic. The MKBD may not enter sleep mode when the vehicle is turned OFF, causing the battery to be drained. Follow the procedure in this TSB to update the software for the MKBD to address this condition.
25-01-012H TSB2025-02-25. Service campaign. ELECTRICAL SYSTEM. Certain Kona (SX2) vehicles may exhibit a dead battery concern linked to the Multimedia Keyboard (MKBD) logic. The MKBD may not enter sleep mode when the vehicle is turned OFF, causing the battery to be drained. Follow the procedure in this TSB to update the software for the MKBD to address this condition.
24-01-014H OL2025-02-15. Service campaign. ELECTRICAL SYSTEM. The subject vehicles may not be providing the Wi-Fi Hotspot setting information, specifically, the Mac address. Hyundai has deployed an Over-The-Air (OTA)* update for the CCU to improve the vehicle’s Wi-Fi hotspot connectivity.
24-01-094H2024-12-14. Service campaign. ELECTRICAL SYSTEM. Certain Kona Electric (SX2 EV) vehicles may exhibit a dead battery concern linked to the Multimedia Keyboard (MKBD) logic. The MKBD may not enter sleep mode when the vehicle is turned OFF, causing the battery to be drained. Follow the procedure in this TSB to update the software for the MKBD to address this condition.
24-01-090H2024-12-14. Service campaign. ELECTRICAL SYSTEM. Certain Kona (SX2) vehicles may exhibit a dead battery concern linked to the Multimedia Keyboard (MKBD) logic. The MKBD may not enter sleep mode when the vehicle is turned OFF, causing the battery to be drained. Follow the procedure in this TSB to update the software for the MKBD to address this condition.
24-01-051H-1 OL2024-10-25. Service campaign. FUEL/PROPULSION SYSTEM. Certain Hyundai Electric vehicles may exhibit a condition of an interrupted charging session or a lower charging speed while charging with a 240V AC (Level 2) charger. This occurs to prevent potential damage to the charging cable connection.
24-01-051H-12024-09-25. Service campaign. ELECTRICAL SYSTEM. Certain 2022-2024MY IONIQ 5 (NE1), 2023-2024MY IONIQ 6 (CE1) and 2024-2025MY Kona Electric (SX2 EV) vehicles may exhibit a condition while charging with a 240V AC (Level 2) charger where the vehicle experiences an interrupted charging session or a lower charging speed. This occurs to prevent potential damage to the charging cable connection. Follow the procedure in this TSB to update the software logic for the Vehicle Charging Management System (VCMS), which initiates a self-restart that allows the vehicle charging to return to full capacity once stabilized.

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