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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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Bulletins, newest first
25-01-060H-1 TSB2025-11-18. Service campaign. ELECTRICAL SYSTEM. Certain Tucson (NX4M) vehicles may exhibit a Data Communication Unit (DCU) software error due to the internal timer initialization logic not being implemented. The DCU module may shut down telematics services after one year. This bulletin provides instructions to perform a software update for the DCU module.
25-01-059H-1 TSB2025-11-18. Service campaign. ELECTRICAL SYSTEM. Certain Tucson (NX4) vehicles may exhibit a Data Communication Unit (DCU) software error due to the internal timer initialization logic not being implemented. The DCU module may shut down telematics services after one year. This bulletin provides instructions to perform a software update for the DCU module.
25-01-057H-1 TSB2025-11-18. Service campaign. ELECTRICAL SYSTEM. Certain Tucson Hybrid (NX4 HEV) and Tucson Plug-in Hybrid (NX4 PHEV) vehicles may exhibit a Data Communication Unit (DCU) software error due to the internal timer initialization logic not being implemented. The DCU module may shut down telematics services after one year. This bulletin provides instructions to perform a software update for the DCU module.
25-BD-012H TSB2025-11-12. Service bulletin. EXTERIOR LIGHTING. This bulletin provides information regarding condensation related to the accumulated moisture in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. This TSB illustrates the various causes of condensation inside the lamp assembly. Lamp assembly replacement is NOT necessary in most cases. This condition can be eliminated by turning on the lamps with the engine running for several minutes or during normal driving operation.
25-01-060H DCS2025-11-04. Service campaign. ELECTRICAL SYSTEM. Hyundai Motor America is currently investigating an ongoing issue with software GDS event #1297. The matter is being investigated to ensure the software can be directed to the impacted VIN population. We will provide an update once the issue is resolved and the suspension is lifted.
TDF/TDFA/TDFC DCS2025-11-03. Service campaign. ELECTRICAL SYSTEM. Hyundai Motor America is currently investigating an ongoing issue with software GDS event #1297. The matter is being investigated to ensure the software can be directed to the impacted VIN population. We will provide an update once the issue is resolved and the suspension is lifted.
25-01-059H tsb2025-11-03. Service campaign. ELECTRICAL SYSTEM. Certain Tucson (NX4) vehicles may exhibit a Data Communication Unit (DCU) software error due to the internal timer initialization logic not being implemented. The DCU module may shut down telematics services after one year. This bulletin provides instructions to perform a software update for the DCU module.
25-01-057H TSB2025-11-03. Service campaign. ELECTRICAL SYSTEM. Certain Tucson Hybrid (NX4 HEV) and Tucson Plug-in Hybrid (NX4 PHEV) vehicles may exhibit a Data Communication Unit (DCU) software error due to the internal timer initialization logic not being implemented. The DCU module may shut down telematics services after one year. This bulletin provides instructions to perform a software update for the DCU module.
25-01-060H DCS2025-10-14. Service campaign. ELECTRICAL SYSTEM. Technical Service Bulletin (TSB) 25-01-060H for the Data Communication Network (DCU) software update related to GDS Event # 1297 is available TODAY effective 11:00 AM PST and the affected vehicle population (certain 2025 model year Hyundai Tucsons) has been reactivated.
25-01-060H TSB2025-10-14. Service campaign. ELECTRICAL SYSTEM. Certain Tucson (NX4M) vehicles may exhibit a Data Communication Unit (DCU) software error due to the internal timer initialization logic not being implemented. The DCU module may shut down telematics services after one year. This bulletin provides instructions to perform a software update for the DCU module.
25-BE-020H TSB2025-10-03. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides information related to the changes introduced in the 2025 1st Navigation Map and Software Update. The changes may vary depending on vehicle type, model, and navigation system as described in this TSB.
25-01-068H TSB2025-10-03. Service campaign. POWER TRAIN. Certain Tucson Hybrid (NX4 HEV) and Tucson Plug-in Hybrid (NX4 PHEV) vehicles may exhibit a condition where the Oil Pump Unit (OPU) prevents the Ready Lamp from turning on. Some vehicles may also display DTC U100787 (malfunction on CAN communication). This bulletin provides instructions to update the Powertrain Control Unit (PCU) software.
TDF /TDFA/TDFB/TDFC2025-09-15. Service campaign. ELECTRICAL SYSTEM. Hyundai Motor America is currently investigating an ongoing auto mode update concern with software GDS event #1297. Some vehicles are not able to complete the update after multiple attempts and some are completing the update after multiple initial failed attempts. Technicians may experience consistent Data Communication Unit (DCU) software upgrade failures when attempting to update to the latest version. The matter is being investigated to address the update failures and recover any failed modules. We will provide an update once the issue is resolved and the suspension is lifted.
25-01-061H TSB2025-09-13. Service campaign. ELECTRICAL SYSTEM. Certain Tucson (NX4A) vehicles may exhibit a Data Communication Unit (DCU) software error due to the internal timer initialization logic not being implemented. The DCU module may shut down telematics services after one year. This bulletin provides instructions to perform a software update for the DCU module.
25-01-059H TSB2025-09-13. Service campaign. ELECTRICAL SYSTEM. Certain Tucson (NX4) vehicles may exhibit a Data Communication Unit (DCU) software error due to the internal timer initialization logic not being implemented. The DCU module may shut down telematics services after one year. This bulletin provides instructions to perform a software update for the DCU module.
HCE25-92-E770 TSB2025-09-11. Service campaign. ELECTRICAL SYSTEM. This bulletin provides information related to the DCU (DATA CONNECTIVITY UNIT) software enhancement (OTA) for NX4 OB PE/NX4 PE/NX4 PE HEV/NX4 PHEV/NX4a PE/NX4m PE vehicles in Puerto Rico.
25-01-060H TSB2025-09-09. Service campaign. ELECTRICAL SYSTEM. Certain Tucson (NX4M) vehicles may exhibit a Data Communication Unit (DCU) software error due to the internal timer initialization logic not being implemented. The DCU module may shut down telematics services after one year. This bulletin provides instructions to perform a software update for the DCU module.
25-01-057H TSB2025-09-03. Service campaign. ELECTRICAL SYSTEM. Certain Tucson Hybrid (NX4 HEV) and Tucson Plug-in Hybrid (NX4 PHEV) vehicles may exhibit a Data Communication Unit (DCU) software error due to the internal timer initialization logic not being implemented. The DCU module may shut down telematics services after one year. This bulletin provides instructions to perform a software update for the DCU module.
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).
25-01-029H TSB2025-04-30. Service campaign. UNKNOWN OR OTHER. Certain Tucson Hybrid (NX4 HEV) vehicles may have incorrect drive motor identification codes on the aluminum plate attached to the drive motor housing. Follow the procedure in this TSB to replace the aluminum plate and barcode sticker with the correct drive motor identification.
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.

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