2023 Hyundai Elantra service bulletins & manufacturer communications
49 manufacturer communications are on file with NHTSA for the 2023 Hyundai Elantra. TSBs are repair guidance for dealers — they are not recalls, and repairs are not automatically free.
Technical service bulletin 36Warranty extension 7Service campaign 6
- 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
- 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 a…26-EE-003H TSB · Technical service bulletin · Electrical System · issued Apr 18, 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
- 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 ve…26-HA-001H TSB · Technical service bulletin · Unknown OR Other · issued Jan 29, 2026
- 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)…25-EM-007H TSB · Technical service bulletin · Engine · issued Dec 18, 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
- 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
- A software update is available for multiple vehicles equipped with either Display Audio 2.0V or the AVN 5th Gen Wide system.25-01-045H TSB · Service campaign · Electrical System · issued Jul 9, 2025
- 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 …25-BE-005H-2 OL · Warranty extension · Unknown OR Other · issued Jun 16, 2025
- 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 C…25-FL-003H · Technical service bulletin · Fuel/propulsion System · issued May 30, 2025
- 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 wa…25-BE-005H-2 TSB · Warranty extension · Unknown OR Other · issued May 17, 2025
- 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 …25-BE-005H-2 DN · Warranty extension · Unknown OR Other · issued May 17, 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
- 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 …25-BE-005H-1 DN · Warranty extension · Unknown OR Other · issued May 8, 2025
- 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 wa…25-BE-005H-1 TSB · Warranty extension · Unknown OR Other · 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-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
- 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 repl…25-BE-005H DN · Warranty extension · Unknown OR Other · issued Mar 19, 2025
- 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 …25-BE-005H TSB · Warranty extension · Unknown OR Other · issued Mar 19, 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 (CN7 and CN7A) vehicles may experience the following conditions: • Lack of airflow coming from the forward-facing center vents • Mode actuator not changing airflow …25-HA-001H · Technical service bulletin · Unknown OR Other · issued Mar 7, 2025
- A software update is available for multiple vehicles equipped with either Display Audio 2.0V or the AVN 5th Gen Wide system.24-01-045H-2 · Service campaign · Electrical System · issued Sep 12, 2024
- A software update is available for multiple vehicles equipped with either Display Audio 2.0V or the AVN 5th Gen Wide system.24-01-045H-1 · Service campaign · Electrical System · issued Aug 28, 2024
- 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…24-BE-001H-1 · Technical service bulletin · Electrical System · issued Jul 19, 2024
- A software update is available for multiple vehicles equipped with either Display Audio 2.0V or the AVN 5th Gen Wide system.24-01-045H · Technical service bulletin · Electrical System · issued Jun 12, 2024
- 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 ins…24-01-042H · Technical service bulletin · Wheels · issued May 31, 2024
- 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…24-FL-003H · Technical service bulletin · Engine and Engine Cooling · issued Mar 4, 2024
- 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…24-BD-001H · Technical service bulletin · Visibility · issued Feb 14, 2024
- 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 â Uneven…24-BE-002H · Technical service bulletin · Equipment · issued Feb 5, 2024
- 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…24-BE-001H · Technical service bulletin · Electrical System · issued Jan 10, 2024
- This bulletin provides important checkpoint guidelines when performing engine oil and filter change services.23-EM-005H · Technical service bulletin · Engine and Engine Cooling · issued Oct 13, 2023
- This bulletin is issued to provide the extended battery diagnosis procedure using GDS-M. This battery diagnosis function displays the various battery-related faults such as: â ¢ In…23-EE-010H · Technical service bulletin · Engine and Engine Cooling · issued Sep 18, 2023
- Certain 2023MY Kona (OS) and Elantra (CN7) vehicles equipped with the 2.0L Nu Atkinson engine may experience a warning lamp illumination for a diagnostic trouble code P250C that is…23-EM-004H · Technical service bulletin · Engine and Engine Cooling · issued Sep 12, 2023
- This bulletin provides information related to a Transmission Control Unit (TCU) software update for certain vehicles equipped with an 8-speed wet dual clutch transmissions (8WDCT) …23-AT-013H · Technical service bulletin · Power Train · issued Aug 28, 2023
- Certain vehicles equipped with the Intelligent Variable Transmission (IVT) may experience a check engine light or malfunction indicator light due to Diagnostic Trouble Codes (DTC) …23-AT-010H · Technical service bulletin · Power Train · issued Aug 23, 2023
- This Service Information bulletin provides information on how to update the Apple Carplay software from Hyundaiâ s Navigation Updates page. The current version of Google Maps has 1…23-BE-007H · Technical service bulletin · Electrical System · issued Jul 17, 2023
- Hyundai applies a Paint Protection Film (PPF) on new vehicles before delivery to dealerships. It provides a barrier between the paint and contaminants, such as rail dust, acid rain…23-BD-007H · Technical service bulletin · Structure · issued Apr 24, 2023
- Certain 2022-23MY Elantra (CN7/CN7a), 2022-23MY Elantra N (CN7 N), and 2023MY Elantra Hybrid (CN7 HEV) vehicles normally equipped with two (2) complete Smart Key FOBs were delivere…23-01-016H · Technical service bulletin · Electrical System · issued Feb 23, 2023
- Certain Elantra, Elantra Hybrid, & Elantra N vehicles normally equipped with two (2) complete Smart Key FOBs were delivered with only one (1) complete Smart Key FOB and one additio…23-01-016H · Technical service bulletin · Electrical System · issued Feb 23, 2023
- 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 …23-BD-002H · Technical service bulletin · Visibility · issued Jan 30, 2023
- Follow the guidelines outlined in this bulletin to inspect and clean or replace certain components of the engine intake system accordingly during engine short block or sub-assembly…22-EM-010H · Technical service bulletin · Engine and Engine Cooling · issued Jul 28, 2022
- Effective June 2, 2008, Federal Motor Vehicle Safety Standard 110 (FMVSS 110) established a threshold for correcting load carrying capacity information indicated on tire placards w…22-GI-006H · Technical service bulletin · Tires · issued Jul 14, 2022
- If you are servicing an applicable vehicle with a â Check Engineâ light on and one or more of the DTC listed on Page 2, follow the repair procedure and perform the diagnosis. If ne…22-AT-009H · Technical service bulletin · Power Train · issued Jul 14, 2022
- Certain 22-23MY Elantra (CN7/CN7a), Elantra N (CN7 N), and Elantra Hybrid (CN7 HEV) vehicles normally equipped with two (2) Smart Key FOBs will receive only one (1) Smart Key FOB a…988DBP · Technical service bulletin · Latches/locks/linkages · issued Jun 3, 2022
- Certain Elantra (CN7/CN7a), Elantra N (CN7 N), and Elantra Hybrid (CN7 HEV) vehicles normally equipped with two (2) Smart Key FOBs will receive only one (1) Smart Key FOB and one a…22-01-054H · Technical service bulletin · Latches/locks/linkages · issued Jun 3, 2022
- Certain Elantra (CN7/CN7a), Elantra N (CN7 N), and Elantra Hybrid (CN7 HEV) vehicles normally equipped with two (2) Smart Key FOBs will receive only one (1) Smart Key FOB and one a…22-EM-009H · Technical service bulletin · Latches/locks/linkages · issued Jun 3, 2022
- N Vehicles are designed to maximize dynamic steering performance. In normal Ackerman steering geometry, the inner front tire turns more than the outer tire to help cornering in low…22-ST-007H · Technical service bulletin · Steering · issued May 16, 2022