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Service bulletins for the 2025 Hyundai Tucson

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.

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

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
25-BE-013H TSB2025-06-18. Service bulletin. ELECTRICAL SYSTEM. Certain vehicles with the Connected Car Navigation Cockpit (ccNC) Lite units may exhibit connection issues with Bluetooth and wireless phone projection. The vehicle's name may also not appear when trying to connect via Bluetooth. This condition may be caused by an internal fault inside the ccNC unit. Follow the procedures in this TSB to replace the ccNC unit in affected vehicles.
25-BE-002H TSB2025-06-03. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information related to the changes introduced in the 2024 2nd Navigation Map and Software Update. The changes may vary depending on vehicle type, model, and navigation system. Refer to the 2024 2nd Navigation Map and Software Update Improvements section in this TSB for a list of specific changes. The software can be downloaded via Navigation Updater (NAU) and updated by USB. The NAU website is https://update.hyundai.com/US/EN/navigationUpdate. For certain models equipped with a relevant Bluelink package, the software may be downloaded and applied via OTA update.
25-01-32H TSB2025-06-03. Service campaign. ELECTRICAL SYSTEM. Certain 2025MY Tucson (NX4M) vehicles equipped with a fingerprint reader may experience a “Check User Authentication” error message on the instrument cluster display. When the message appears, it may prevent usage of the Fingerprint Module (FPM). The DTC captured for this condition is “B18CC00 – IAU Teaching Error (w/FPM)”. This bulletin provides instructions to perform a software update for the Fingerprint Module (FPM).
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.
25-01-030H TSB2025-05-27. Service campaign. ELECTRICAL SYSTEM. Certain 2025MY Tucson (NX4A) vehicles equipped with a fingerprint reader may experience a “Check User Authentication” error message on the instrument cluster display. When the message appears, it may prevent usage of the Fingerprint Module (FPM). The DTC captured for this concern is “B18CC00 - IAU Teaching Error (w/FPM).” This bulletin provides instructions to perform a software update for the Fingerprint Module (FPM).
25-BE-008H TSB2025-04-15. Service bulletin. ELECTRICAL SYSTEM. Certain vehicles (See Applicable Vehicles List below) equipped with the 12-inch instrument cluster display and separate Instrument Cluster Module require software verification PRIOR to odometer mileage writing. If the Cluster Module does not have the latest software, the incorrect mileage may be written to the new module. This bulletin provides information to confirm the Instrument Cluster Module is equipped with the latest software version prior to using the GDS tablet to write the odometer mileage.
25-01-020H TSB2025-03-18. Service campaign. ELECTRICAL SYSTEM. Certain Tucson Hybrid (NX4 HEV) and Tucson Plug-in Hybrid (NX4 PHEV) vehicles may experience a battery discharge due to a logic error within the Central Communication Unit (CCU). This bulletin provides instructions to update both subsystems (MCU/AP) related to the CCU to improve the logic of the CCU.
25-01-021H TSB2025-03-17. Service campaign. ELECTRICAL SYSTEM. Certain Tucson (NX4) vehicles may experience a battery discharge due to logic error within the Central Communication Unit (CCU). This bulletin provides instructions to update both subsystems (MCU/AP) related to the CCU to improve the logic of the CCU.
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-BE-003H DN2025-02-25. Service bulletin. ELECTRICAL SYSTEM. Hyundai Motor America has noted that several vehicles were impacted by a telecommunications outage that occurred on Sunday, February 9th , resulting in the potential loss of connectivity or interruptions when attempting to use Bluelink functions. Voice Recognition, Sports Media, and Weather will not be available. Dealer stock and retailed vehicles are both affected. If a customer calls in and their vehicle is experiencing issues related to Bluelink, please have them come into the dealership to assist with resetting the Bluelink Data Communication Unit (DCU) and utilize TSB 25-BE-003H posted on Hyundai Tech Info.
25-BE-003H TSB2025-02-25. Service bulletin. 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 reset the Connected Car Data Communication Unit (DCU) in Dealer Mode to resolve the connection.
24-BE-019H2024-12-21. Service bulletin. ELECTRICAL SYSTEM. Certain 2024MY Tucson (NX4A) vehicles may experience an illuminated check engine light for DTC P059A from a faulty connection due to improper soldering within the sensor components. This bulletin outlines the procedure to replace the active air flap (AAF) on-board diagnostic (OBD) sensors to resolve this issue.
24-BE-007H-12024-12-03. Service bulletin. ELECTRICAL SYSTEM. Certain Santa Cruz (NXT), Santa Fe (MX5A), Santa Fe Hybrid (MX5A HEV), and Tucson (NX4A) vehicles may exhibit a display screen flickering or intermittently going blank. This may be due to the shield width of the coaxial cable being too wide, causing a loose connection. Follow the procedures in this bulletin to adjust the width of the shield using a supplied shield adjustment jig.
24-BE-013H2024-09-30. Service bulletin. ELECTRICAL SYSTEM. Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Connected Car Service (CCS) functions. This may be due to an occasional disconnection on Verizon’s communication network. Follow the procedures in this bulletin to reset the Connected Car Data Communication Unit (DCU) in Dealer Mode to resolve the connection.

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