2023 Hyundai Elantra TSBs
49 manufacturer communications for the 2023 Hyundai Elantra sit in NHTSA's public file. A TSB is factory repair guidance, not a recall — the repair is not automatically free. The 2023 Elantra problem report covers complaints, recalls, and investigations.
What the bulletins cover
Warranty extensions, campaigns & software updates
Worth checking your VIN against — these can mean free or reimbursed work if your vehicle qualifies.
A software update is available for multiple vehicles equipped with either Display Audio 2.0V or the AVN 5th Gen Wide system.
Certain 2021 – 2025 model year Elantra, 2022 – 2025 model year Elantra N and 2021 – 2025 model year Elantra Hybrid vehicles may experience an inoperable horn. Hyundai is extending the warranty coverage for the Horn Assembly under this condition to 10 years or 120,000 miles from…
Certain Hyundai Elantra (CN7) non N-Line and N-Line, Elantra (CN7A), Elantra (CN7 N), and Elantra Hybrid (CN7 HEV) vehicles may experience an inoperable horn. Hyundai is extending the warranty coverage for the horn replacement under this condition to 10 years or 120,000 miles…
Certain Elantra (CN7) non-N-Line and N-Line, Elantra (CN7A), Elantra N (CN7 N), and Elantra Hybrid (CN7 HEV) vehicles may experience an inoperable horn. Hyundai is extending the warranty coverage for the horn replacement under this condition to 10 years or 120,000 miles from the…
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…
Certain Elantra (CN7) non-N-Line and N-Line, Elantra (CN7A), Elantra N (CN7 N), and Elantra Hybrid (CN7 HEV) vehicles may experience an inoperable horn. Hyundai is extending the warranty coverage for the horn replacement under this condition to 10 years or 120,000 miles from the…
Certain Hyundai Elantra (CN7) non N-Line and N-Line, Elantra (CN7A), Elantra (CN7 N), and Elantra Hybrid (CN7 HEV) vehicles may experience an inoperable horn. Hyundai is extending the warranty coverage for the horn replacement under this condition to 10 years or 120,000 miles…
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,…
Certain Elantra (CN7), Elantra (CN7A), and Elantra Hybrid (CN7 HEV) vehicles may experience an inoperable horn. Hyundai is extending the warranty coverage for the horn replacement under this condition to 10 years or 120,000 miles from the date of original retail delivery or date…
Certain Hyundai Elantra (CN7), Elantra (CN7A), and Elantra Hybrid (CN7 HEV) vehicles may experience an inoperable horn. Hyundai is extending the warranty coverage for the horn replacement under this condition to 10 years or 120,000 miles from the date of original retail delivery…
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…
A software update is available for multiple vehicles equipped with either Display Audio 2.0V or the AVN 5th Gen Wide system.
A software update is available for multiple vehicles equipped with either Display Audio 2.0V or the AVN 5th Gen Wide system.
Most recent service bulletins
The 20 most recent of 49 communications on file. The complete set is searchable on NHTSA's page for this vehicle.
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 depending on vehicle type, model, and navigation system. Refer to the 2026 1st Navigation Map and…
Some vehicles may exhibit difficulty starting in cold weather. This bulletin provides the procedure to perform an inspection on the starter magnetic switch for potential freezing and, if necessary, replace the starter magnetic switch (solenoid) assembly.
The National Highway Traffic Safety Administration (NHTSA) has issued an urgent safety advisory regarding dangerous, counterfeit driver‑side airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety System Co., Ltd. (DTN), that have been identified in U.S.…
The National Highway Traffic Safety Administration (NHTSA) has identified the presence of substandard and dangerous driver’s-side airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety System Co., Ltd. (DTN). These inflators were not supplied, approved, or…
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 cases, the front camera auto-calibration range may be exceeded while driving: • If the front camera is…
Some Elantra (CN7/CN7A), Elantra N (CN7 N) and Elantra Hybrid (CN7 HEV) vehicles may experience the following conditions: • Lack of airflow coming from the forward-facing center vents • Mode actuator not changing airflow direction after various inputs • Popping/snap noise when…
Some Elantra (CN7, CN7A), Kona (OS, SX2), and Sonata Hybrid (DN8 HEV) vehicles equipped with 2.0L engines may illuminate a warning lamp for DTC P218100 (Cooling System Performance) related to the Integrated Thermal-Management Module (ITM). Follow the service procedure in this…
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…
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.
Certain Elantra (CN7), Elantra N (CN7 N), Elantra (CN7A) vehicles may experience a thudding noise coming from the fuel tank assembly at idle or on an incline when the PCSV (Purge Control Solenoid Valve) is operating, and fuel level is above 90% full. If the noise is heard,…
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…
Certain Elantra (CN7 and CN7A) vehicles may experience the following conditions: • Lack of airflow coming from the forward-facing center vents • Mode actuator not changing airflow direction after various inputs • Popping/snap noise when switching between different modes If any…
Some vehicles equipped with the AVN 5th Gen Wide system may exhibit a condition where the radio app crashes frequently when entering radio mode and/or displays a message that reads “Uneven Road Ahead, Drive carefully” on the cluster along with a warning sound. Follow the…
A software update is available for multiple vehicles equipped with either Display Audio 2.0V or the AVN 5th Gen Wide system.
Some 2023MY Elantra N (CN7 N) and 2023-2024MY Elantra Hybrid (CN7 HEV) vehicles may have sealant leakage in the Tire Mobility Kit (TMK). The leakage may contaminate other parts inside or outside of the TMK bag. Follow the procedure in this bulletin to determine if the sealant is…
This bulletin contains the software update procedure for the Engine Control Unit (ECU) on certain 2021-2023MY Elantra (CN7) and 2022-2023MY Kona (OS) vehicles equipped with the 1.6 liter T-GDI Gamma 2 engine, that may exhibit a warning lamp with one or more of the DTCs listed…
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…
Some vehicles equipped with the AVN 5th Gen Wide system may exhibit a condition where the radio app crashes frequently when entering radio mode and/or a message that reads “Uneven Road Ahead, Drive carefully†on the cluster along with a warning sound. Follow the procedure…
Some vehicles equipped with the AVN 5th Gen Wide system may exhibit a condition where the radio app crashes frequently when entering radio mode and/or displays a message that reads “Uneven Road Ahead, Drive carefully†on the cluster along with a warning sound. Follow the…
This bulletin provides important checkpoint guidelines when performing engine oil and filter change services.
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.