Hyundai Sonata Service Bulletins (2021)
111 manufacturer communications on file.
- February 28, 2024•Document ID: 10251293Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- 24-AT-001H
- Date Added:
- March 5, 2024
- Manufacturer:
- HYUNDAI
SummaryThis bulletin provides the procedure for updating the automatic transmission TCU and ECU software (Santa Fe ONLY) to improve shift quality, judder with ISG enabled and hesitation when accelerating.
Associated Products (6)Associated Documents - February 14, 2024•Document ID: 10251285Service Bulletin/Repair InstructionsVISIBILITY/WIPER; VISIBILITY
- Mfr Comm. #:
- 24-BD-001H
- Date Added:
- March 5, 2024
- Manufacturer:
- HYUNDAI
SummaryThis 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.
Associated Products (266)2026 Hyundai Venue2024 Hyundai Elantra2024 Hyundai Elantra N2024 Hyundai Ioniq 52024 Hyundai Ioniq 62024 Hyundai Kona2024 Hyundai Nexo2024 Hyundai Palisade2024 Hyundai Santa Cruz2024 Hyundai Santa Fe2024 Hyundai Sonata2024 Hyundai Tucson2024 Hyundai Venue2023 Hyundai Elantra2023 Hyundai Elantra N2023 Hyundai Ioniq 52023 Hyundai Ioniq 62023 Hyundai Kona2023 Hyundai Kona N2023 Hyundai Nexo+ 246 moreAssociated Documents - January 10, 2024•Document ID: 10249698Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- 23-01-093H
- Date Added:
- February 5, 2024
- Manufacturer:
- HYUNDAI
SummaryThis bulletin provides the procedure to update the Hybrid Control Unit (HCU) and Dual Automatic Temperature Control (DATC) software to help improve coolant flow to the Exhaust Heat Recovery System (EHRS).
Associated Products (4)Associated Documents - January 10, 2024•Document ID: 10249699Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 24-BE-001H
- Date Added:
- February 5, 2024
- Manufacturer:
- HYUNDAI
SummarySome 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 âUneven Road Ahead, Drive carefullyâ on the cluster along with a warning sound. Follow the procedure outlined in this bulletin to update the AVN software to resolve this condition.
Associated Products (27)2026 Hyundai Venue2023 Hyundai Elantra2023 Hyundai Ioniq 52023 Hyundai Kona2023 Hyundai Kona N2023 Hyundai Palisade2023 Hyundai Sonata2023 Hyundai Tucson2023 Hyundai Venue2022 Hyundai Elantra2022 Hyundai Ioniq 52022 Hyundai Kona2022 Hyundai Kona N2022 Hyundai Palisade2022 Hyundai Sonata2022 Hyundai Tucson2022 Hyundai Veloster N2022 Hyundai Venue2021 Hyundai Elantra2021 Hyundai Kona+ 7 moreAssociated Documents - December 15, 2023•Document ID: 10247605Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING; POWER TRAIN
- Mfr Comm. #:
- 23-EM-009H
- Date Added:
- December 22, 2023
- Manufacturer:
- HYUNDAI
SummaryCertain 2020-2023MY Sonata Hybrid (DN8 HEV) vehicles may exhibit coolant leakage, engine overheating, and white smoke from the exhaust due to an internal leak at the Exhaust Heat Recovery System (EHRS) portion of the center muffler assembly. Follow the procedure outlined in this bulletin to repair this condition after confirming EHRS is leaking internally.
Associated Products (4)Associated Documents - December 15, 2023•Document ID: 10247604Service Bulletin/Repair InstructionsPOWER TRAIN; ELECTRICAL SYSTEM
- Mfr Comm. #:
- 23-01-093H
- Date Added:
- December 22, 2023
- Manufacturer:
- HYUNDAI
SummaryThis bulletin provides the procedure to update the Hybrid Control Unit (HCU) and Dual Automatic Temperature Control (DATC) software to help improve coolant flow to the Exhaust Heat Recovery System (EHRS).
Associated Products (4)Associated Documents - November 10, 2023•Document ID: 10245580Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- 23-AT-006H-2
- Date Added:
- November 30, 2023
- Manufacturer:
- HYUNDAI
SummaryThis TSB provides information to diagnose the push button shifter operation.
Associated Products (15)2024 Hyundai Palisade2024 Hyundai Tucson2023 Hyundai Palisade2023 Hyundai Santa Fe2023 Hyundai Sonata2023 Hyundai Tucson2022 Hyundai Palisade2022 Hyundai Santa Fe2022 Hyundai Sonata2022 Hyundai Tucson2021 Hyundai Palisade2021 Hyundai Santa Fe2021 Hyundai Sonata2020 Hyundai Palisade2020 Hyundai SonataAssociated Documents - October 13, 2023•Document ID: 10247189Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- 23-EM-005H
- Date Added:
- December 15, 2023
- Manufacturer:
- HYUNDAI
SummaryThis bulletin provides important checkpoint guidelines when performing engine oil and filter change services.
Associated Products (268)2026 Hyundai Venue2024 Hyundai Elantra2024 Hyundai Elantra N2024 Hyundai Ioniq 52024 Hyundai Ioniq 62024 Hyundai Kona2024 Hyundai Nexo2024 Hyundai Palisade2024 Hyundai Santa Cruz2024 Hyundai Tucson2024 Hyundai Venue2023 Hyundai Elantra2023 Hyundai Elantra N2023 Hyundai Ioniq 52023 Hyundai Ioniq 62023 Hyundai Kona2023 Hyundai Kona N2023 Hyundai Nexo2023 Hyundai Palisade2023 Hyundai Santa Cruz+ 248 moreAssociated Documents - September 18, 2023•Document ID: 10243340Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM
- Mfr Comm. #:
- 23-EE-010H
- Date Added:
- October 2, 2023
- Manufacturer:
- HYUNDAI
SummaryThis 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: ⢠Internal short circuit ⢠Battery deterioration ⢠Malfunction of electronic parts ⢠Insufficient battery charge ⢠Normal battery ⢠Charging defect Battery diagnosis uses the battery sensor history saved for the last 30 days and ICU diagnostic communication to track battery state of charge (SOC) and current parasitic draw history.
Associated Products (13)Associated Documents - September 14, 2023•Document ID: 10243329Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- 23-AT-008H-1
- Date Added:
- October 2, 2023
- Manufacturer:
- HYUNDAI
SummaryIf you are servicing an 8-speed front-wheel-drive vehicle equipped with automatic transaxle with one or more of the DTC or symptoms listed below, refer to the Service Procedure to diagnose the condition. ⢠DIAGNOSTIC TROUBLE CODES: ⢠P070500 - Transmission range sensor circuit malfunction ⢠P070512 - Transmission range sensor circuit malfunction ⢠P070514 - Transmission range sensor circuit malfunction ⢠P07051C - Transmission range sensor circuit malfunction ⢠P070600 - Transmission range sensor circuit range/performance ⢠P070661 - Transmission range sensor circuit range/performance ⢠P070696 - Transmission range sensor circuit range/performance ⢠SYMPTOMS: ⢠Malfunction Indicator Light (MIL) illuminated ⢠5th gear fail-safe ⢠Intermittently wonât shift into D or R ⢠Intermittently wonât shift out of Park ⢠Intermittent ly no engine cr ank/n o start in âPâ or âNâ with or without MIL or DTC.
Associated Products (15)2024 Hyundai Palisade2024 Hyundai Tucson2023 Hyundai Palisade2023 Hyundai Santa Fe2023 Hyundai Sonata2023 Hyundai Tucson2022 Hyundai Palisade2022 Hyundai Santa Fe2022 Hyundai Sonata2022 Hyundai Tucson2021 Hyundai Palisade2021 Hyundai Santa Fe2021 Hyundai Sonata2020 Hyundai Palisade2020 Hyundai SonataAssociated Documents - August 28, 2023•Document ID: 10241891Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- 23-AT-011H
- Date Added:
- September 6, 2023
- Manufacturer:
- HYUNDAI
SummaryThis bulletin outlines changes to the service procedure regarding the replacement of 8-speed wet dual clutch transmissions (8WDCT) and associated transmission control unit (TCU). These changes only apply to vehicles equipped with Theta 2.5T engines. Certain transmissions (indicated by a new part number) have received an improved clutch spring. The correct TCU software update must be matched with the correct corresponding 8WDCT hardware, otherwise drivability concerns may occur.
Associated Products (8)Associated Documents - August 28, 2023•Document ID: 10241890Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- 23-AT-012H
- Date Added:
- September 6, 2023
- Manufacturer:
- HYUNDAI
SummaryThis 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) that improves the touch point learning variation. Certain 8WDCTs (indicated by a new part number) received an improved clutch spring. The correct TCU software update must be matched with the correct corresponding 8WDCT hardware, otherwise drivability concerns may occur.
Associated Products (8)Associated Documents - August 25, 2023•Document ID: 10241883Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); POWER TRAIN
- Mfr Comm. #:
- 23-HC-002H
- Date Added:
- September 6, 2023
- Manufacturer:
- HYUNDAI
SummaryThis bulletin provides information related to the Engine Control Module (ECM) software update and coolant replacement for 2020-2023MY Sonata Hybrid (DN8 HEV) vehicles to improve the coolant filling mode by discharging air bubbles.
Associated Products (4)Associated Documents - August 25, 2023•Document ID: 10241885Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- 23-AT-003H-1
- Date Added:
- September 6, 2023
- Manufacturer:
- HYUNDAI
SummaryIf you are servicing an 8-speed vehicle with a âCheck Engineâ light on and one or more of the DTC listed, follow the service procedure and replace the related solenoid and harness.
Associated Products (20)2024 Hyundai Palisade2024 Hyundai Tucson2023 Hyundai Palisade2023 Hyundai Santa Cruz2023 Hyundai Santa Fe2023 Hyundai Tucson2022 Hyundai Palisade2022 Hyundai Santa Cruz2022 Hyundai Santa Fe2022 Hyundai Sonata2022 Hyundai Tucson2021 Hyundai Palisade2021 Hyundai Santa Fe2021 Hyundai Sonata2020 Hyundai Palisade2020 Hyundai Santa Fe2020 Hyundai Sonata2019 Hyundai Santa Fe2019 Hyundai Sonata2018 Hyundai SonataAssociated Documents - August 21, 2023•Document ID: 10241875Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- 23-EE-009H
- Date Added:
- September 6, 2023
- Manufacturer:
- HYUNDAI
SummaryThis bulletin provides warranty procedure for EGR Valve replacement related to DTC P0401 EGR Flow Insufficient on 2020 and 2021MY Sonata (DN8a) equipped with 2.5 GDI Vehicles.
Associated Products (2)Associated Documents - August 1, 2023•Document ID: 10241796Service Bulletin/Repair InstructionsPOWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN
- Mfr Comm. #:
- 23-AT-006H-1
- Date Added:
- September 5, 2023
- Manufacturer:
- HYUNDAI
SummaryThis TSB provides information to diagnose the push button shifter operation. If you are servicing a vehicle with any symptoms listed below or DTCs (listed on Page 2) , follow the Service Procedure on Page 3. SYMPTOMS: ⢠âShifter System Malfunctionâ displayed in the cluster ⢠Wonât shift into or out of gear or wonât shift out of Park ⢠Incorrect gear display in cluster and/or wonât start
Associated Products (15)2024 Hyundai Palisade2024 Hyundai Tucson2023 Hyundai Palisade2023 Hyundai Santa Fe2023 Hyundai Sonata2023 Hyundai Tucson2022 Hyundai Palisade2022 Hyundai Santa Fe2022 Hyundai Sonata2022 Hyundai Tucson2021 Hyundai Palisade2021 Hyundai Santa Fe2021 Hyundai Sonata2020 Hyundai Palisade2020 Hyundai SonataAssociated Documents - July 18, 2023•Document ID: 10240089Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); ELECTRICAL SYSTEM:WIRING:POSITION/LIMIT SENSOR/SWITCH; POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL); POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN
- Mfr Comm. #:
- 23-AT-009H
- Date Added:
- August 2, 2023
- Manufacturer:
- HYUNDAI
SummaryIf you are servicing an 8-speed DCT front-wheel-drive vehicle with the DTC or symptoms listed below, refer to the Service Procedure to diagnose the condition. ⢠DIAGNOSTIC TROUBLE CODES: ⢠P070500 - Transmission range sensor circuit malfunction ⢠P070512 - Transmission range sensor circuit malfunction ⢠P070514 - Transmission range sensor circuit malfunction ⢠P07051C - Transmission range sensor circuit malfunction ⢠P070600 - Transmission range sensor circuit range/performance ⢠P070661 - Transmission range sensor circuit range/performance ⢠P070696 - Transmission range sensor circuit range/performance ⢠SYMPTOMS: ⢠Malfunction Indicator Light (MIL) illuminated ⢠5th gear fail-safe ⢠Intermittently wonât shift into D or R ⢠Intermittently wonât shift out of P ⢠Intermittent ly no engine crank in âPâ or â
Associated Products (6)Associated Documents - July 17, 2023•Document ID: 10240087Service Bulletin/Repair InstructionsEQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; ELECTRICAL SYSTEM
- Mfr Comm. #:
- 23-BE-007H
- Date Added:
- August 2, 2023
- Manufacturer:
- HYUNDAI
SummaryThis Service Information bulletin provides information on how to update the Apple Carplay software from Hyundaiâs Navigation Updates page. The current version of Google Maps has 10 times the data transmission compared to the previous version. As a countermeasure, an update with a frame skip logic has been added to resolve the data congestion with Google Maps.
Associated Products (34)2026 Hyundai Venue2023 Hyundai Elantra2023 Hyundai Kona2023 Hyundai Santa Fe2023 Hyundai Sonata2022 Hyundai Elantra2022 Hyundai Kona2022 Hyundai Palisade2022 Hyundai Santa Fe2022 Hyundai Sonata2022 Hyundai Veloster2022 Hyundai Venue2021 Hyundai Elantra2021 Hyundai Ioniq2021 Hyundai Kona2021 Hyundai Palisade2021 Hyundai Santa Fe2021 Hyundai Sonata2021 Hyundai Veloster2021 Hyundai Venue+ 14 moreAssociated Documents - July 11, 2023•Document ID: 10240084Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- 23-AT-008H
- Date Added:
- August 2, 2023
- Manufacturer:
- HYUNDAI
SummaryIf you are servicing an 8-speed front-wheel-drive vehicle equipped with automatic transaxle with one or more of the DTC or symptoms listed below, refer to the Service Procedure to diagnose the condition.
Associated Products (14)Associated Documents - June 9, 2023•Document ID: 10238377Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING
- Mfr Comm. #:
- 23-FL-002H-1
- Date Added:
- July 1, 2023
- Manufacturer:
- HYUNDAI
SummaryThis 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 with 2.5L GDI engines with one or more misfire DTC(s) due to internally leaking GDI injector(s)
Associated Products (9)Associated Documents