2025 Hyundai Tucson Hybrid service bulletins & manufacturer communications

27 manufacturer communications are on file with NHTSA for the 2025 Hyundai Tucson Hybrid. TSBs are repair guidance for dealers — they are not recalls, and repairs are not automatically free.

• Some Palisade (LX2), Tucson (NX4), and Tucson Hybrid (NX4 HEV) vehicles may experience battery drain due to continuous operation of the cooling fan after vehicle ignition has been …
  26-EE-007H TSB · Technical service bulletin · Electrical System · issued Jun 17, 2026
• This bulletin provides information related to the navigation and head unit software changes introduced in the 2026 1st Navigation Map and Software Update. The changes may vary depe…
  26-GI-002H TSB · Technical service bulletin · Electrical System · issued May 27, 2026
• The National Highway Traffic Safety Administration (NHTSA) has identified the presence of substandard and dangerous driver’s-side airbag inflators manufactured by Jilin Province De…
  DTN DL · Technical service bulletin · Air Bags · issued Apr 10, 2026
• The National Highway Traffic Safety Administration (NHTSA) has issued an urgent safety advisory regarding dangerous, counterfeit driver‑side airbag inflators manufactured by Jilin …
  DTN DCS · Technical service bulletin · Air Bags · issued Apr 10, 2026
• 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 communicati…
  26-01-035H TSB · Service campaign · Electrical System · issued Apr 8, 2026
• Some 2019MY and newer vehicles equipped with a front view camera may illuminate certain warning lights and trigger DTC C272246 fault code for the front camera. In the following cas…
  26-AD-001H TSB · Technical service bulletin · Forward Collision Avoidance · issued Feb 25, 2026
• Some Tucson Internal Engine Combustion (ICE), Hybrid, and Plug-in Hybrid (NX4, NX4 HEV, and NX4 PHEV) vehicles may have an inoperable horn that may be caused by foreign substances …
  26-BE-002H TSB · Technical service bulletin · Unknown OR Other · issued Feb 12, 2026
• Certain Tucson Hybrid (NX4 HEV) and Tucson Plug-in Hybrid (NX4 PHEV) vehicles equipped with the 1.6T-GDI Gamma II engine may set DTC P04DB00 (Crankcase Ventilation System Disconnec…
  25-01-083H DCS 0122 · Service campaign · Engine · issued Jan 23, 2026
• 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 ve…
  25-01-068H-1 DCS · Service campaign · Engine · issued Nov 26, 2025
• 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 ve…
  25-01-068H-1 · Service campaign · Engine · issued Nov 20, 2025
• Certain Tucson Hybrid (NX4 HEV) and Tucson Plug-in Hybrid (NX4 PHEV) vehicles equipped with the 1.6T-GDI Gamma II engine may set DTC P04DB00 (Crankcase Ventilation System Disconnec…
  25-01-083H DCS · Service campaign · Engine · issued Nov 19, 2025
• Certain Tucson Hybrid (NX4 HEV) and Tucson Plug-in Hybrid (NX4 PHEV) vehicles equipped with the 1.6T-GDI Gamma II engine may set DTC P04DB00 (Crankcase Ventilation System Disconnec…
  25-01-083H TSB · Service campaign · Engine · issued Nov 19, 2025
• Certain Tucson Hybrid (NX4 HEV), Tucson Plug-in Hybrid (NX4 PHEV), Tucson (NX4), and Tucson (NX4M) vehicles may exhibit a Data Communication Unit (DCU) software error due to the in…
  TDF-TDFA-TDFB DCS · Service campaign · Electrical System · issued Nov 13, 2025
• 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 lo…
  25-01-057H-1 TSB · Service campaign · Electrical System · issued Nov 13, 2025
• 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 …
  25-BD-012H TSB · Technical service bulletin · Exterior Lighting · issued Nov 6, 2025
• 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 impa…
  TDF/TDFA/TDFC DCS · Service campaign · Electrical System · issued Oct 27, 2025
• 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 lo…
  25-01-057H TSB · Service campaign · Electrical System · issued Oct 27, 2025
• 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 ve…
  25-01-068H TSB · Service campaign · Power Train · issued Oct 1, 2025
• 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 …
  25-BE-020H TSB · Technical service bulletin · Electrical System · issued Sep 30, 2025
• 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…
  TDF /TDFA/TDFB/TDFC · Service campaign · Electrical System · issued Sep 12, 2025
• 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 Puert…
  HCE25-92-E770 TSB · Service campaign · Electrical System · issued Sep 5, 2025
• 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 lo…
  25-01-057H TSB · Service campaign · Electrical System · issued Aug 28, 2025
• 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 …
  25-BE-002H TSB · Technical service bulletin · Electrical System · issued May 16, 2025
• 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 communicati…
  25-01-018H-1 TSB · Service campaign · Electrical System · issued May 8, 2025
• 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…
  25-01-029H TSB · Service campaign · Unknown OR Other · issued Apr 23, 2025
• Certain vehicles (See Applicable Vehicles List below) equipped with the 12-inch instrument cluster display and separate Instrument Cluster Module require software verification PRIO…
  25-BE-008H TSB · Technical service bulletin · Electrical System · issued Apr 4, 2025
• 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). T…
  25-01-020H TSB · Service campaign · Electrical System · issued Mar 11, 2025