Service bulletins for the 2024 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.
60 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| MSLA Reference OL | 2025-06-02. Other. VEHICLE SPEED CONTROL. This letter communication is to educate owners around the use of the Manual Speed Limit Assist (MSLA) feature. |
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| 25-01-024H-1 TSB | 2025-05-27. Service campaign. ELECTRICAL SYSTEM. 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 communication network. Follow the procedure in this TSB to reestablish the connection via the AVN pinhole reset method. |
| MSLA_Reference | 2025-05-16. Other. UNKNOWN OR OTHER. This email communication is to educate owners around the use of the Manual Speed Limit Assist (MSLA) feature. |
| 25-01-024H EM | 2025-04-18. Service campaign. ELECTRICAL SYSTEM. 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 communication network. If you are experiencing issues with remote commands, or other Bluelink services, please see the instructions below to reestablish the connection via the AVN pinhole reset method. |
| 25-01-024H TSB | 2025-03-25. Service campaign. ELECTRICAL SYSTEM. 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 communication network. Follow the procedure in this TSB to reestablish the connection via the AVN pinhole reset method. |
| 25-01-023H TSB | 2025-03-17. Service campaign. ENGINE. The exhaust gas recirculation (EGR) valve assembly in certain vehicles (listed below) may contain a sensor that was contaminated with solder flux during manufacturing, which could potentially result in an electrical short. An electrical short within the EGR valve could lead to a Malfunction Indicator lamp (MIL) illumination (P0405, P0642, P0652, P0404/P049D/P240F). Follow the information in this bulletin to replace the EGR valve assembly and gasket. |
| 25-01-023H DN | 2025-03-17. Service campaign. ENGINE. The exhaust gas recirculation (EGR) valve assembly in certain vehicles may contain a sensor that was contaminated with solder flux during manufacturing, which could potentially result in an electrical short. An electrical short within the EGR valve could lead to a Malfunction Indicator lamp (MIL) illumination (P0405, P0642, P0652, P0404/P049D/P240F). The California Air Resources Board has determined that these vehicles may be releasing air pollutants which exceed Federal and California standards. |
| 25-01-010H DN | 2025-02-17. Service bulletin. FUEL/PROPULSION SYSTEM. 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 High). Follow the procedure in TSB 25-01-010H (or latest version) to perform the update the Battery management System (BMS) software. |
| 25-01-010H TSB | 2025-02-17. Service campaign. FUEL/PROPULSION SYSTEM. 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 (NX4 HEV) vehicles that may exhibit a warning light with DTC P1BB20. |
| 24-01-047H | 2025-02-11. Service campaign. SEAT BELTS. Certain 2024MY Tucson (NX4A) vehicles may exhibit a seat belt warning light for the rear seats illuminating incorrectly and/or a “Check turn signal” error message on the cluster. Follow the procedure in this bulletin to update the software for the Integrated Control Unit (ICU) to correct these conditions. |
| 24-BE-019H | 2024-12-21. 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. |
| 24-01-095H | 2024-12-21. Service bulletin. UNKNOWN OR OTHER. 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 bulletin to inspect for the missing emblem and if necessary, install the emblem. |
| 24-BE-007H-1 | 2024-12-03. 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. |
| 24-01-080H OL | 2024-10-25. Service campaign. UNKNOWN OR OTHER. Hyundai has become aware that the subject vehicles may contain a faulty sensor in the EGR valve assembly which could potentially result in an electrical short. An electrical short within the EGR valve could lead to a malfunction of the EGR valve or crank position sensor, both of which reside on the same power circuit, resulting in the malfunction indicator light (“MIL”) illumination and/or sudden loss of drive power during operation. |
| 24-01-080H | 2024-09-30. Service campaign. ENGINE. The exhaust gas recirculation (EGR) valve assembly in certain vehicles (listed below) may contain a sensor that was contaminated with solder flux during manufacturing, which could potentially result in an electrical short. An electrical short within the EGR valve could lead to a Malfunction Indicator lamp (MIL) illumination (P0405, P0642, P0652, P0404/P049D/P240F). Follow the information in this bulletin to replace the EGR valve assembly and gasket. |
| 24-01-080H | 2024-09-30. Service campaign. ENGINE. The exhaust gas recirculation (EGR) valve assembly in certain vehicles may contain a sensor that was contaminated with solder flux during manufacturing, which could potentially result in an electrical short. An electrical short within the EGR valve could lead to a Malfunction Indicator lamp (MIL) illumination (P0405, P0642, P0652, P0404/P049D/P240F). The California Air Resources Board has determined that these vehicles may be releasing air pollutants which exceed Federal and California standards. |
| 24-01-049H | 2024-08-07. Service campaign. FUEL/PROPULSION SYSTEM. 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 harness production. The California Air Resources Board has determined that these vehicles may be releasing air pollutants which exceed Federal and California standards. |
| 24-01-047H | 2024-08-07. Service campaign. SEAT BELTS. Certain 2024MY Tucson (NX4A) vehicles may exhibit a seat belt warning light for the rear seats illuminating incorrectly and/or a “Check turn signal” error message on the cluster. Follow the procedure in this bulletin to update the software for the Integrated Control Unit (ICU) to correct these conditions. |
| 24-01-049H | 2024-08-07. Service bulletin. FUEL/PROPULSION SYSTEM. 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 production. Follow the procedures in this bulletin to inspect the lot number for the affected parts and, if applicable, replace the injector wiring harness with a new part. |
| 24-01-035H | 2024-06-05. Service bulletin. ELECTRICAL SYSTEM. Some 2024MY Tucson (NX4A) vehicles may have the incorrect software for the AVN 5th Gen Wide system. This incorrect software may result in some functions and images not matching the Owner’s Manual. Follow the procedure in this TSB to update the software to the correct version. |
| 24-AT-002H | 2024-04-16. Service bulletin. POWER TRAIN. This TSB provides a procedure to diagnose and replace, if necessary, an automatic transmission with Incorrect Ratio DTC (transmission clutch slip in gear above limit) listed on Page 2. |
| 24-BD-007H | 2024-04-16. Service bulletin. STRUCTURE. Certain 2023-2024MY Tucson (NX4a) vehicles may exhibit delamination of the C-pillar garnish. Follow the procedure in this TSB to replace the C-pillar garnishes for vehicles exhibiting this condition. |
| 24-BD-001H | 2024-03-05. Service bulletin. VISIBILITY; VISIBILITY/WIPER. This bulletin contains information about the proper removal of the windshield wiper blade protective cover on all models. If the protective cover is not removed correctly, there is a possibility of the rubber insert and rail spring becoming partially separated on the inner side of the wiper blade, which could lead to poor wiping performance and/or possible scratching of the windshield glass. Follow the procedure in this bulletin to properly remove the windshield wiper blade protective cover on all new wiper blades. |
| 24-01-010H | 2024-02-05. Service bulletin. ENGINE AND ENGINE COOLING. Certain 2024MY Tucson (NX4) vehicles may produce a coolant leak from the Integrated Thermal Management (ITM) Module Oil Cooler Fitting O-Ring. Follow the procedure outlined in this TSB to inspect and, if necessary, replace the O-Ring at the Oil Cooler Fitting. |
| 23-FL-007H | 2023-12-22. Service bulletin. POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). This bulletin provides the procedure to update the Transmission Control Module (TCM) for the 2022MY Tucson (NX4/NX4a) vehicles and the Engine Control Module (ECM) for the 2022-24MY Tucson vehicles to improve operation of the Idle Stop and Go (ISG) system. Under certain circumstances the vehicle may not restart after ISG system has engaged and require a manual restart due to the lack of intake manifold pressure recovery. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.