2020 Hyundai Elantra service bulletins & manufacturer communications

94 manufacturer communications are on file with NHTSA for the 2020 Hyundai Elantra. TSBs are repair guidance for dealers — they are not recalls, and repairs are not automatically free.

• 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
• In response to this trend, we engineered a software upgrade that addresses the social media theft method and made it available to owners of eligible models free of charge at author…
  P33 OL · Technical service bulletin · Electrical System · issued Dec 19, 2025
• Upon customer's request ONLY, the Technical Service Bulletin (TSB) 25-01-089H provides the service procedure for installation of a key cylinder reinforcement protector assembly and…
  25-01-089H DCS · Technical service bulletin · Electrical System · issued Dec 15, 2025
• In addition to the Anti-Theft software provided under Service Campaign 993 (TSB 24-01-009H-1), a zinc reinforced ignition cylinder protector hardware upgrade is being made availabl…
  25-01-089H DN · Technical service bulletin · Electrical System · issued Dec 15, 2025
• This bulletin provides the service procedure for installation of a key cylinder reinforcement protector assembly and two anti-theft decals on the front windows.
  25-01-089H TSB · Technical service bulletin · Electrical System · issued Dec 15, 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
• 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
• A class settlement against Hyundai Motor America (“HMA”) that had alleged that certain 2011 – 2022 model year Hyundai vehicles that were not equipped with an engine immobilizer (ca…
  24-01-009H-1 · Service campaign · Electrical System · issued May 10, 2024
• A class settlement against Hyundai Motor America (“HMA”) that had alleged that certain 2011 – 2022 model year Hyundai vehicles that were not equipped with an engine immobilizer (ca…
  24-01-009H-1 · Service campaign · Electrical System · issued May 9, 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/wiper · issued Feb 14, 2024
• Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993), combined with an anti-theft steering wheel lock campaign (Campaign P32), and anti-thef…
  24-01-009H · Technical service bulletin · Electrical System · issued Feb 12, 2024
• This bulletin provides the service procedure to: 1) Upgrade the IBU/BCM (Integrated Body Control Unit/Body Control Module) to revise the OEM Hyundai burglar alarm system operation …
  24-01-009H · Technical service bulletin · Electrical System · issued Feb 1, 2024
• Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993), combined with an anti-theft steering wheel lock campaign (Campaign P32), and anti-thef…
  24-01-009H · Technical service bulletin · Equipment · issued Feb 1, 2024
• Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993), combined with an anti-theft steering wheel lock campaign (Campaign P32), and anti-thef…
  23-01-014H-6 · Technical service bulletin · Electrical System · issued Jan 22, 2024
• Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993), combined with an anti-theft steering wheel lock campaign (Campaign P32), and anti-thef…
  23-01-014H-6 · Technical service bulletin · Electrical System · issued Dec 19, 2023
• This bulletin describes the procedure to repair a head lamp that has an inoperable high beam function.
  23-01-094H · Technical service bulletin · Exterior Lighting · issued Dec 14, 2023
• Certain Hyundai vehicles may not be equipped with an immobilizer. This bulletin provides the service procedure to update the IBU/BCM (Integrated Body Control Unit/Body Control Modu…
  23-01-014H-6 · Technical service bulletin · Electrical System · issued Nov 10, 2023
• Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993), combined with an anti-theft steering wheel lock campaign (Campaign P32), in response t…
  23-01-014H-6 · Technical service bulletin · Electrical System · issued Nov 10, 2023
• Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993), combined with an anti-theft steering wheel lock campaign (Campaign P32), in response t…
  23-01-014H-5 · Technical service bulletin · Electrical System · issued Oct 26, 2023
• 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
• 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
• Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993), combined with an anti-theft steering wheel lock campaign (Campaign P32), in response t…
  23-01-014H-5 · Technical service bulletin · Power Train · issued Aug 17, 2023
• Some models from service campaign 993 (IBU/BCM Software Update and Decals Application) equipped with the Hyundai OEM remote start system may exhibit the horn honking when remote st…
  23-BE-010H · Technical service bulletin · Electrical System · issued Aug 17, 2023
• Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993), combined with an anti-theft steering wheel lock campaign (Campaign P32), in response t…
  23-01-014H-5 · Technical service bulletin · Electrical System · issued Jul 10, 2023
• Certain Hyundai vehicles may not be equipped with an immobilizer. This bulletin provides the service procedure to update the IBU/BCM (Integrated Body Control Unit/Body Control Modu…
  23-01-014H-5 · Technical service bulletin · Electrical System · issued Jul 10, 2023
• Certain Hyundai vehicles may not be equipped with an immobilizer. This bulletin provides the service procedure to update the IBU/BCM (Integrated Body Control Unit/Body Control Modu…
  23-01-014H-5 · Technical service bulletin · Electrical System · issued Jun 8, 2023
• Certain Hyundai vehicles may not be equipped with an immobilizer. This bulletin provides the service procedure to update the IBU/BCM (Integrated Body Control Unit/Body Control Modu…
  23-01-014H-4 · Technical service bulletin · Electrical System · issued May 12, 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 Hyundai vehicles may not be equipped with an immobilizer. This bulletin provides the service procedure to update the IBU/BCM (Integrated Body Control Unit/Body Control Modu…
  23-01-014H-4 · Technical service bulletin · Electrical System · issued Apr 13, 2023
• Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993) in response to an increase in thefts of certain Hyundai vehicles not equipped with engi…
  23-01-014H-4 · Technical service bulletin · Electrical System · issued Apr 13, 2023
• Certain Hyundai vehicles may not be equipped with an immobilizer. This bulletin provides the service procedure to update the IBU/BCM (Integrated Body Control Unit/Body Control Modu…
  23-01-014H-3 · Technical service bulletin · Visibility · issued Apr 6, 2023
• Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993) in response to an increase in thefts of certain Hyundai vehicles not equipped with engi…
  23-01-014H-2 · Technical service bulletin · Electrical System · issued Mar 21, 2023
• Certain Hyundai vehicles may not be equipped with an immobilizer. This bulletin provides the service procedure to update the IBU/BCM (Integrated Body Control Unit/Body Control Modu…
  23-01-014H-2 · Technical service bulletin · Electrical System · issued Mar 21, 2023
• Certain Hyundai vehicles may not be equipped with an immobilizer. This bulletin provides the service procedure to update the IBU/BCM (Integrated Body Control Unit/Body Control Modu…
  23-01-014H-1 · Technical service bulletin · Electrical System · issued Feb 20, 2023
• Hyundai has launched an anti-theft software upgrade and window decal campaign (Campaign 993) in response to an increase in thefts of certain Hyundai vehicles not equipped with engi…
  23-01-014H · Technical service bulletin · Electrical System · issued Feb 13, 2023
• Certain Hyundai vehicles may not be equipped with an immobilizer. This bulletin provides the service procedure to update the IBU/BCM (Integrated Body Control Unit/Body Control Modu…
  23-01-014H · Technical service bulletin · Electrical System · issued Feb 13, 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
• Certain vehicles may develop a bearing noise within the Motor Driven Power Steering (MDPS) column worm shaft assembly. If bearing noise is heard, follow the procedure in this bulle…
  218/231 amend · Technical service bulletin · Steering · issued Jun 3, 2022
• Hyundai is conducting a service campaign 974 to enhance the knock sensor logic with the Cylinder Noise Diagnostic System (CNDS) software update. CNDS is to detect abnormal cylinder…
  22-EM-008H · Technical service bulletin · Engine and Engine Cooling · issued May 5, 2022
• Hyundai is conducting a service campaign to enhance the knock sensor logic with the Cylinder Noise Diagnostic System (CNDS) software update. CNDS is to detect abnormal cylinder wal…
  22-01-043H · Technical service bulletin · Equipment · issued May 5, 2022
• Certain vehicles may develop a bearing noise within the Motor Driven Power Steering (MDPS) column worm shaft assembly. If bearing noise is heard, follow the procedure in this bulle…
  22-ST-005H · Technical service bulletin · Steering · issued Apr 8, 2022
• Certain vehicles may develop a bearing noise within the Motor Driven Power Steering (MDPS) column worm shaft assembly. If bearing noise is heard, follow the procedure in this bulle…
  22-ST-005H · Technical service bulletin · Steering · issued Apr 8, 2022
• Certain 20MY Elantra (AD/ADa) vehicles may experience an illuminated check engine warning light due to Diagnostic Trouble Codes (DTC) listed below. Perform the Transmission Control…
  22-01-030H · Technical service bulletin · Power Train · issued Mar 21, 2022
• Certain vehicles may develop a bearing noise within the Motor Driven Power Steering (MDPS) column worm shaft assembly. If bearing noise is heard, follow the procedure in this bulle…
  21-ST-003H · Technical service bulletin · Steering · issued Oct 1, 2021
• Certain vehicles may develop a bearing noise within the Motor Driven Power Steering (MDPS) column worm shaft assembly. If bearing noise is heard, follow the procedure in this bulle…
  21-ST-003H · Technical service bulletin · Steering · issued Oct 1, 2021
• This bulletin provides information related to the Engine Control Module (ECM) software update for 2020MY Elantra (AD/ADA) vehicles equipped with 2.0L engine to revise the logic for…
  21-01-041H · Technical service bulletin · Engine and Engine Cooling · issued May 18, 2021
• Certain 20MY Elantra (AD/ADa) vehicles may experience an illuminated check engine warning light due to Diagnostic Trouble Codes (DTC) listed below. Perform the Transmission Control…
  21-01-039H · Technical service bulletin · Engine and Engine Cooling · issued May 12, 2021
• This bulletin provides the service procedure for engine connecting rod bearing clearance testing. Perform the procedure outlined in this bulletin to fulfill the Bearing Clearance T…
  21-EM-004H · Technical service bulletin · Equipment · issued Mar 30, 2021
• This bulletin provides best practice recommendations when performing brake service procedures.
  21-BR-002H · Technical service bulletin · Equipment · issued Mar 23, 2021
• When using Wireless CarPlay, the system may intermittently auto disconnect. When Wireless CarPlay is disconnected, a pop up message â Phone Not Responding. Please reconnect it and …
  21-BE-004H · Technical service bulletin · Electrical System · issued Mar 16, 2021
• Certain 2019-2020MY Santa Fe and 2018-2020MY Elantra equipped with the front multifunction camera may exhibit one or more of the following warnings on the instrument cluster; Lane …
  21-BE-006H · Technical service bulletin · Forward Collision Avoidance · issued Mar 16, 2021
• This bulletin provides the inspection procedure and repair guidelines for certain vehicles listed below.
  21-EM-003H · Technical service bulletin · Equipment · issued Mar 10, 2021
• This bulletin describes the procedure to repair a headlamp that has an inoperable high beam function.
  21-01-004H · Technical service bulletin · Electrical System · issued Feb 11, 2021
• When using Wireless CarPlay, the system may intermittently auto disconnect. When Wireless CarPlay is disconnected, a pop up message â Phone Not Responding. Please reconnect it and …
  20-BE-014H · Technical service bulletin · Electrical System · issued Dec 21, 2020
• Certain 20MY Elantra (AD/ADa) vehicles may experience an illuminated check engine warning light due to Diagnostic Trouble Codes (DTC) listed below. Perform the Transmission Control…
  20-01-047H · Technical service bulletin · Electrical System · issued Dec 15, 2020
• This bulletin describes the procedure to inspect and identify fluid which may appear around the brake caliper area.
  20-BR-002H · Technical service bulletin · Service Brakes · issued Nov 30, 2020
• This bulletin provides tire vibration service procedures, including how to optimize vehicle vibration performance. For all wheel/tire balance claims, the â Tire Balance Data Sheetâ…
  20-SS-004H · Technical service bulletin · Tires · issued Nov 19, 2020
• This bulletin provides information and procedures for collecting OBD â In Use Monitor Performance Ratioâ (IUMPR) data on certain 2019-2021MY vehicles at California dealers. This re…
  20-01-039H · Technical service bulletin · Electrical System · issued Oct 9, 2020
• Certain 2019-2020MY Santa Fe and 2018-2020MY Elantra equipped with the front multifunction camera may exhibit one or more of the following warnings on the instrument cluster; Lane …
  20-BE-006H-1 · Technical service bulletin · Lane Departure · issued Sep 24, 2020
• Certain vehicles may develop a bearing noise within the Motor Driven Power Steering (MDPS) column worm shaft assembly. If bearing noise is heard, follow the procedure in this bulle…
  20-ST-003H-1 · Technical service bulletin · Steering · issued Sep 9, 2020
• Certain vehicles may develop a bearing noise within the Motor Driven Power Steering (MDPS) column worm shaft assembly. If bearing noise is heard, follow the procedure in this bulle…
  20-ST-002H-2 · Technical service bulletin · Steering · issued Sep 9, 2020
• Certain vehicles may develop a bearing noise within the Motor Driven Power Steering (MDPS) column worm shaft assembly. If bearing noise is heard, follow the procedure in this bulle…
  20-ST-003H · Technical service bulletin · Steering · issued Aug 10, 2020
• Certain vehicles may develop a bearing noise within the Motor Driven Power Steering (MDPS) column worm shaft assembly. If bearing noise is heard, follow the procedure in this bulle…
  20-ST-002H-1 · Technical service bulletin · Steering · issued Aug 10, 2020
• This bulletin provides information regarding replacement of the column-mounted Motor Driven Power Steering (MDPS) system as separate components.
  20-ST-001H-1 · Technical service bulletin · Steering · issued Aug 10, 2020
• This bulletin provides information regarding condensation related to moisture accumulation in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. The TSB …
  20-BD-014H · Technical service bulletin · Equipment Adaptive/mobility · issued Jul 14, 2020
• This bulletin provides information related to an ECM (Engine Control Module) software update for DTC P0128: Coolant Thermostat (Coolant Temp below Thermostat Regulating Temperature…
  20-FL-007H · Technical service bulletin · Electrical System · issued Jul 13, 2020
• Certain vehicles may experience an illuminated warning light due to Diagnostic Trouble Codes (DTC). This service campaign provides information on the procedures to perform the ECU …
  Campaign T5B Dea · Technical service bulletin · Power Train · issued Jun 24, 2020
• Certain vehicles may experience an illuminated warning light due to Diagnostic Trouble Codes (DTC). Perform the ECU and TCU update, and, if necessary, replace the IVT (Intelligent …
  20-01-028H · Technical service bulletin · Engine and Engine Cooling · issued Jun 24, 2020
• This bulletin describes the Idle Stop and Go (ISG) system operation, diagnostic and battery sensor recalibration procedure. Refer to applicable Shop Manual and Ownerâ s Manual for …
  20-FL-004H · Technical service bulletin · Engine and Engine Cooling · issued May 29, 2020
• A bearing noise may develop within the Motor Driven Power Steering (MDPS) column of the housing worm gear assembly. If bearing noise is heard, follow the procedure in this bulletin…
  20-ST-002H · Technical service bulletin · Steering · issued May 12, 2020
• This bulletin provides information on tire maintenance best practices and procedures for dealers and customers to maximize tire life and performance.
  20-SS-002H(1) · Technical service bulletin · Wheels · issued May 6, 2020
• This bulletin describes the general guidelines to help disinfect and protect vehicle exterior/interior surfaces using recommended safe chemical products.
  20-BD-007H-1 · Technical service bulletin · Equipment · issued May 1, 2020
• This bulletin provides information on identifying dealer stock vehicles with either: â ¢ A Battery SOC alert - low Battery State of Charge (SOC) at or below 50%. â ¢ A 30 Day alert…
  20-EE-003H · Technical service bulletin · Equipment · issued Apr 23, 2020
• The automatic transmission warranty repair policy authorizes in-dealership repairs of the following components for both OEM (new) and remanufactured automatic transmissions:
  20-AT-016H · Technical service bulletin · Equipment Adaptive/mobility · issued Apr 17, 2020
• Certain 2019-2020MY Santa Fe and 2018-2020MY Elantra equipped with front camera/multi-function camera may exhibit a series of Lane Keep Assist System (LKAS), Front Collision Avoida…
  20-BE-006H · Technical service bulletin · Forward Collision Avoidance · issued Apr 7, 2020
• Some 2019 & 2020 Elantra (ADa) vehicles equipped with halogen headlights may experience intermittent operation of the high beam. This bulletin provides the service procedure to rep…
  20-BE-004H · Technical service bulletin · Exterior Lighting · issued Mar 23, 2020
• This bulletin describes the general guidelines to disinfect and protect vehicle interior surfaces using certain safe chemical products.
  20-BD-007H · Technical service bulletin · Equipment Adaptive/mobility · issued Mar 23, 2020
• This bulletin describes the mandatory procedure to submit battery test data electronically for battery warranty claims by running the GDS Battery Claim App. The App must be run rig…
  20-EE-002H(1) · Technical service bulletin · Electrical System · issued Mar 18, 2020
• This bulletin describes the requirements for all wheel alignment and/or vehicle tracking claims and best practices when diagnosing and conducting alignment-related repairs for all …
  20-SS-001H · Technical service bulletin · Suspension · issued Feb 5, 2020
• This bulletin provides guidelines to inspect the USB, head unit, and multi-box for common connection conditions. 2. This bulletin presents guidelines to inspect for common Android …
  20-BE-001H · Technical service bulletin · Electrical System · issued Jan 16, 2020
• This bulletin provides information regarding replacement of the column-mounted Motor Driven Power Steering (MDPS) system as separate components.
  20-ST-001H · Technical service bulletin · Steering · issued Jan 3, 2020
• This bulletin provides information and procedures for collecting OBD ?In Use Monitor Performance Ratio? (IUMPR) data on certain 2019-2020MY vehicles at California dealers. This rep…
  19-01-042H · Technical service bulletin · Equipment · issued Dec 17, 2019
• If you are servicing a vehicle with a transmission slipping concern, follow the Service Procedure shown below and perform a stall test. This TSB provides a procedure to test each c…
  19-AT-021H-1 · Technical service bulletin · Power Train · issued Dec 17, 2019
• If you are servicing a vehicle with the DTC or symptoms listed below, refer to the Service Procedure to diagnose the condition. ? Diagnostic trouble codes: ?P0705 - Range switch se…
  19-AT-024H · Technical service bulletin · Electrical System · issued Nov 15, 2019
• The Blind Spot Detection (BSD) or Blind-Spot Collision Warning (BCW) is a system that measures the speed of and distance from the following vehicles by using two magnetic wave rada…
  19-BE-011H-1 · Technical service bulletin · Back Over Prevention · issued Nov 4, 2019
• This bulletin provides instruction detailing the proper methodology for scanning and uploading captured GDS data files to the Techline Repository. Compliance with this bulletin ens…
  19-GI-006H · Technical service bulletin · Equipment Adaptive/mobility · issued Oct 14, 2019
• If you are servicing an applicable vehicle with a ?Check Engine? light on and one or more of the DTC listed below, follow the repair procedure and replace the related solenoid and …
  19-AT-016H · Technical service bulletin · Equipment Adaptive/mobility · issued Aug 12, 2019
• This bulletin provides a procedure to transfer pressure data to the ECU/TCU using GDS Mobile. This procedure is necessary to reduce the TCU learning time and improve the shift qual…
  19-AT-010H · Technical service bulletin · Power Train · issued May 8, 2019