2024 Hyundai Tucson Hybrid service bulletins & manufacturer communications

21 manufacturer communications are on file with NHTSA for the 2024 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 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
• 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
• 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
• Certain Hyundai vehicles may exhibit a warning light with Diagnostic Trouble Code (“DTC”) P1BB20 due to a battery over voltage condition.
  25-01-010H-1 9B4 OL · Service campaign · Electrical System · issued Aug 21, 2025
• Certain Elantra Hybrid (CN7 HEV), Sonata Hybrid (DN8 HEV), and Tucson Hybrid (NX4 HEV) vehicles may exhibit a warning light due to DTC Code P1BB20 (12V Lithium Battery Cell Voltage…
  25-01-010H-1 DN · Service campaign · Electrical System · issued Jul 16, 2025
• This bulletin provides the procedure to update the software for the Battery Management System (BMS) on certain Elantra Hybrid (CN7 HEV), Sonata Hybrid (DN8 HEV), and Tucson Hybrid …
  25-01-010H-1 TSB · Service campaign · Electrical System · issued Jul 16, 2025
• This letter communication is to educate owners around the use of the Manual Speed Limit Assist (MSLA) feature.
  MSLA Reference OL · Technical service bulletin · Vehicle Speed Control · issued May 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
• This email communication is to educate owners around the use of the Manual Speed Limit Assist (MSLA) feature.
  MSLA_Reference · Technical service bulletin · Unknown OR Other · issued May 13, 2025
• Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service functions. This may be due to an irregular disconnection on Verizon’s comm…
  25-01-024H-1 TSB · Service campaign · Electrical System · issued May 8, 2025
• Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service functions. This may be due to an irregular disconnection on Verizon's comm…
  25-01-024H EM · Service campaign · Electrical System · issued Apr 7, 2025
• Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service functions. This may be due to an irregular disconnection on Verizon’s comm…
  25-01-024H TSB · Service campaign · Electrical System · issued Mar 18, 2025
• Certain Elantra hybrid (CN7 HEV), Sonata hybrid (DN8 HEV), and Tucson hybrid (NX4 HEV) vehicles may exhibit a warning light due to DTC Code P1BB20 (12V Lithium Battery Cell Voltage…
  25-01-010H DN · Technical service bulletin · Fuel/propulsion System · issued Feb 11, 2025
• This bulletin provides the procedure to update the software for the Battery Management System (BMS) on certain Elantra Hybrid (CN7 HEV), Sonata Hybrid (DN8 HEV), and Tucson Hybrid …
  25-01-010H TSB · Service campaign · Fuel/propulsion System · issued Feb 11, 2025
• Certain 2025MY Tucson Hybrid (NX4 HEV) vehicles with the “Blue” trim may have a missing BLUE emblem on the tailgate under the Tucson model name. Follow the procedure in this bullet…
  24-01-095H · Technical service bulletin · Unknown OR Other · issued Dec 17, 2024
• Certain 2024MY Tucson Hybrid (NX4 HEV) vehicles may exhibit poor contact or wire breakage of the injector wiring harness. This affects a limited lot number of the wiring harness pr…
  24-01-049H · Technical service bulletin · Fuel/propulsion System · issued Jul 10, 2024
• Certain 2024MY Tucson Hybrid (NX4 HEV) vehicles may exhibit poor contact or wire breakage of the injector wiring harness. This affects a very limited lot number of the wiring harne…
  24-01-049H · Service campaign · Fuel/propulsion System · issued Jul 9, 2024