2021 Hyundai Tucson service bulletins & manufacturer communications

85 manufacturer communications are on file with NHTSA for the 2021 Hyundai Tucson. TSBs are repair guidance for dealers — they are not recalls, and repairs are not automatically free.

• Certain Santa Fe (TMA), Santa Fe Sport (AN), Sonata (LFA), and Tucson (TL) vehicles equipped with Theta II engines may exhibit elevated engine-out emissions. The California Air Res…
  26-01-013H-2 DN · Service campaign · Engine · issued May 21, 2026
• Certain Santa Fe (TMA), Santa Fe Sport (AN), Sonata (LFA), and Tucson (TL) vehicles equipped with Theta II engines may exhibit elevated engine-out emissions. This bulletin provides…
  26-01-013H-2 TSB · Service campaign · Electrical System · issued May 21, 2026
• Following completion of Service Campaign 9C2 (Theta II Emissions Improvement), certain vehicles may exhibit a brief hesitation or rough shifting condition during cold start operati…
  9C2 060518 · Service campaign · Electrical System · issued May 19, 2026
• Following completion of Service Campaign 9C2 (Theta II Emissions Improvement), certain vehicles may exhibit a brief hesitation or rough shifting condition during cold start operati…
  9C2 DCS 260518 · Service campaign · Electrical System · issued May 19, 2026
• Certain Hyundai vehicles with exterior white paint may exhibit peeling or bubbling on metal body panels: hood, fender(s), roof, door(s), quarter panel(s), and tailgate/trunk. The p…
  26-BD-002H TSB · Warranty extension · Unknown OR Other · issued Apr 28, 2026
• Some Hyundai vehicles with exterior white paint may exhibit peeling or bubbling on metal body panels: hood, fender(s), roof, door(s), quarter panel(s), and tailgate/trunk. The pain…
  26-BD-002H DN · Warranty extension · Unknown OR Other · issued Apr 28, 2026
• Certain 2019 – 2020 model year Santa Fe, 2017 – 2018 model year Santa Fe Sport, 2015 – 2019 model year Sonata, and 2018 – 2021 model year Tucson vehicles may exhibit elevated engin…
  9C2 OL · Service campaign · Engine · issued Apr 14, 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
• Hyundai Motor America is currently investigating an ongoing issue with software GDS event #1383 related to 2015MY Sonata (LFA) 2.4L vehicles. The matter is currently being investig…
  9C2 Susp DCS · Service campaign · Engine · issued Mar 30, 2026
• Hyundai Motor America is currently investigating an ongoing issue with software GDS event #1383 related to 2015MY Sonata (LFA) 2.4L vehicles. The matter is currently being investig…
  9C2 Susp DN · Service campaign · Engine · issued Mar 30, 2026
• This TSB references the Op codes to use for claim submission and the Parts required based on the vehicle’s inspection results from TSB 22-01-023H-2 (DTC P1326 – Engine Bearing Insp…
  26-01-033H TSB · Warranty extension · Engine · issued Mar 26, 2026
• This TSB references the Op codes to use for claim submission and the Parts required based on the vehicle’s inspection results from TSB 22-01-023H (DTC P1326 – Engine Bearing Inspec…
  26-01-033H DN · Warranty extension · Engine · issued Mar 26, 2026
• Certain Santa Fe (TMA), Santa Fe Sport (AN), Sonata (LFA), and Tucson (TL) vehicles equipped with Theta II engines may exhibit elevated engine-out emissions. Technical Service Bull…
  26-01-013H-1 DCS · Service campaign · Engine · issued Mar 6, 2026
• Certain Santa Fe (TMA), Santa Fe Sport (AN), Sonata (LFA), and Tucson (TL) vehicles equipped with Theta II engines may exhibit elevated engine-out emissions. This bulletin provides…
  26-01-013H-1 TSB · Service campaign · Engine · issued Mar 4, 2026
• Certain Santa Fe (TMA), Santa Fe Sport (AN), Sonata (LFA), and Tucson (TL) vehicles equipped with Theta II engines may exhibit elevated engine-out emissions. Technical Service Bull…
  26-01-013H DCS · Service campaign · Engine · issued Feb 7, 2026
• Certain Santa Fe (TMA), Santa Fe Sport (AN), Sonata (LFA), and Tucson (TL) vehicles equipped with Theta II engines may exhibit elevated engine-out emissions.
  26-01-013H DN · Service campaign · Engine · issued Feb 6, 2026
• Certain Santa Fe (TMA), Santa Fe Sport (AN), Sonata (LFA), and Tucson (TL) vehicles equipped with Theta II engines may exhibit elevated engine-out emissions. This bulletin provides…
  26-01-013H TSB · Service campaign · Engine · issued Feb 6, 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
• Certain Santa Fe (TMA), Sonata (LFA) and Tucson (TL) vehicles equipped with Theta II engines may exhibit elevated engine-out emissions. Technical Service Bulletin (TSB) 25-01-087H-…
  25-01-087H-1 DCS · Service campaign · Engine · issued Dec 15, 2025
• Certain Santa Fe (TMA), Sonata (LFA) and Tucson (TL) vehicles equipped with Theta II engines may exhibit elevated engine-out emissions. This bulletin provides instructions for upda…
  25-01-087H-1 TSB · Service campaign · Engine · issued Dec 15, 2025
• Certain Santa Fe (TMA), Sonata (LFA) and Tucson (TL) vehicles equipped with Theta II engines may exhibit elevated engine-out emissions. The California Air Resources Board has deter…
  25-01-087H-1 DN · Service campaign · Engine · issued Dec 15, 2025
• Certain Santa Fe (TMA), Sonata (LFA) and Tucson (TL) vehicles equipped with Theta II engines may exhibit elevated engine-out emissions. Technical Service Bulletin (TSB) 25-01-087H …
  25-01-087H DCS · Service campaign · Engine · issued Nov 26, 2025
• Certain Santa Fe (TMA), Sonata (LFA) and Tucson (TL) vehicles equipped with Theta II engines may exhibit elevated engine-out emissions.
  25-01-087H DN · Service campaign · Engine · issued Nov 26, 2025
• Certain Santa Fe (TMA), Sonata (LFA) and Tucson (TL) vehicles equipped with Theta II engines may exhibit elevated engine-out emissions. This bulletin provides instructions for upda…
  25-01-087H DCS · Service campaign · Engine · issued Nov 26, 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
• Certain 2015 – 2018 model year Elantra, 2015 – 2019 model year Sonata, 2017 – 2021 model year Tucson, 2017 – 2018 model year Santa Fe Sport, 2019 model year Santa Fe, 2021 – 2023 m…
  25-BD-004H OL · Warranty extension · Unknown OR Other · issued Jun 18, 2025
• Some vehicles may exhibit excessive paint peeling or bubbling of the primer/paint film on the exterior metal body panels: hood, fender(s), roof, door(s), quarter panel(s), and tail…
  25-BD-004H EM · Warranty extension · Unknown OR Other · issued Jun 9, 2025
• Description: Certain Hyundai vehicles with exterior white paint may exhibit peeling or bubbling on metal body panels: hood, fender(s), roof, door(s), quarter panel(s), and tailgate…
  25-BD-004H TSB · Warranty extension · Unknown OR Other · issued May 24, 2025
• Certain Hyundai vehicles with exterior white paint may exhibit peeling or bubbling on metal body panels: hood, fender(s), roof, door(s), quarter panel(s), and tailgate/trunk. The p…
  25-BD-004H DN · Warranty extension · Unknown OR Other · issued May 24, 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
• Hyundai is conducting a campaign to enhance the knock sensor software to detect abnormal engine bearing noise before potentially severe engine damage occurs. If abnormal engine bea…
  24-01-068H · Service campaign · Engine · issued Aug 19, 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 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 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 Pag…
  24-AT-002H · Technical service bulletin · Power Train · issued Apr 9, 2024
• Certain 2016-2021MY Tucson (TL) 2.0L vehicles may experience continued DTC P1326 after the ECU update has been performed per TSB 22-01-028H-1 (or later) â ENGINE MONITORING LOGIC (…
  24-EM-002H · Technical service bulletin · Engine and Engine Cooling · issued Mar 8, 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 · 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…
  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
• 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
• 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 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
• A class action lawsuit against Hyundai Motor America (â HMAâ ) alleges that certain Hyundai vehicles (â Class Vehiclesâ ) were manufactured, marketed, sold, and/or leased with an e…
  22-01-023H-2 · Technical service bulletin · Engine and Engine Cooling · issued Jul 11, 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
• This bulletin provides the diagnostic procedure for the GDI injector(s) in certain 21-23MY Sonata, 21-22MY Santa Fe, certain 22MY Santa Cruz, and certain 21-23MY Tucson equipped wi…
  23-FL-002H-1 · Technical service bulletin · Engine and Engine Cooling · issued Jun 9, 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 · Electrical System · issued Apr 6, 2023
• This bulletin provides the diagnostic procedure for the GDI injector(s) in certain 21-23MY Sonata, 21-22MY Santa Fe, certain 22MY Santa Cruz, and certain MY21-23 Tucson equipped wi…
  23-FL-002H · Technical service bulletin · Engine and Engine Cooling · issued Mar 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
• Certain vehicles may experience the Check Engine warning lamp illuminated with DTC P1326 and/or engine may exhibit abnormal noise, or no crank/no start condition related to connect…
  22-01-023H-2 · Technical service bulletin · Engine and Engine Cooling · issued Nov 3, 2022
• Certain vehicles listed below may experience the Check Engine warning lamp illuminated with DTC P1326 and/or an engine concern/noise related to connecting rod bearing wear or damag…
  22-01-023H-2 · Technical service bulletin · Engine and Engine Cooling · issued Nov 3, 2022
• 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
• The Powertrain warranty coverage for certain engine repairs and/or replacement where the engine damage or malfunction is related to connecting rod bearing wear, has been extended t…
  22-EM-006H-1 · Technical service bulletin · Engine and Engine Cooling · issued Apr 28, 2022
• Hyundai is conducting a campaign to enhance the knock sensor software to detect abnormal engine bearing noise before potentially severe engine damage occurs. If abnormal engine bea…
  22-01-028H-1 · Technical service bulletin · Engine and Engine Cooling · issued Apr 28, 2022
• Certain vehicles listed below may experience the Check Engine warning lamp illuminated with DTC P1326 and/or an engine concern/noise related to connecting rod bearing wear or damag…
  22-01-023H-1 · Technical service bulletin · Engine and Engine Cooling · issued Apr 28, 2022
• Hyundai is conducting a service campaign to enhance the knock sensor software to detect abnormal engine bearing noise before potentially severe engine damage occurs. If abnormal en…
  DBP966 · Technical service bulletin · Engine and Engine Cooling · issued Apr 28, 2022
• Certain vehicles that have completed Service Campaign 966 may experience the Check Engine warning lamp illuminated with DTC P1326 and/or an engine concern/noise related to connecti…
  DBPT6G · Technical service bulletin · Engine and Engine Cooling · issued Apr 28, 2022
• : Certain vehicles equipped with 8-speed automatic transmission may experience an automatic transmission fluid (ATF) leak at the rear cover. This type of leak is caused by a porous…
  21-AT-017H · Technical service bulletin · Power Train · issued Oct 11, 2021
• This bulletin provides additional service diagnostic information and repair procedures related to Variable Charge Motion Controllers (VCM) equipped in the applicable vehicles liste…
  21-EM-008H · Technical service bulletin · Engine and Engine Cooling · issued Jun 8, 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 Adaptive/mobility · issued Mar 23, 2021
• This bulletin provides information on the Launch Quality Monitoring Process (LQMP) for the 2022MY Hyundai Tucson. After a new vehicle launch, Hyundai uses the LQMP to monitor all c…
  21-GI-003H · Technical service bulletin · Equipment · issued Mar 19, 2021
• This bulletin provides the inspection procedure and repair guidelines for certain vehicles listed below.
  21-EM-003H · Technical service bulletin · Engine and Engine Cooling · issued Mar 10, 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
• 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 · Wheels · 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 · Equipment · issued Oct 9, 2020
• This bulletin provides information regarding replacement of the column-mounted Motor Driven Power Steering (MDPS) system as separate components.
  20-ST-001H-2 · Technical service bulletin · Equipment · issued Sep 9, 2020