TSB List for the 2020 Hyundai Sonata Hybrid

Technical Service Bulletins (TSBs) for the 2020 Sonata Hybrid are official communications between Hyundai & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.

  • STEERING
  • STEERING:COLUMN
  • STEERING:ELECTRIC POWER ASSIST SYSTEM
  • STEERING:AUTOMATED/ADAPTIVE STEERING:MOTOR/ACTUATOR
  • BRAKES (PWS)
  • ENGINE (PWS)
  • ENGINE AND ENGINE COOLING
  • ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
  • POWER TRAIN
  • POWER TRAIN:AUTOMATIC TRANSMISSION
  • ELECTRICAL SYSTEM
  • ELECTRICAL SYSTEM:SOFTWARE
  • EXTERIOR LIGHTING
  • VISIBILITY
  • VISIBILITY/WIPER (PWS)
  • STRUCTURE:BODY
  • TIRES
  • WHEELS
  • EQUIPMENT
  • EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE
  • EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
  • EQUIPMENT ADAPTIVE/MOBILITY
  • STEERING

    • TSB #218/231 amend

      Date Announced:
      JUN 03, 2022
      NHTSA ID:
      #10215599

      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 bulletin to replace the worm shaft bearing. Read More »

    • TSB #22-ST-005H

      Date Announced:
      APR 08, 2022
      NHTSA ID:
      #10211678

      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 bulletin to replace the worm shaft bearing. Read More »

    • TSB #22-ST-005H

      Date Announced:
      APR 08, 2022
      NHTSA ID:
      #10211680

      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 bulletin to replace the worm shaft bearing. Read More »

    • TSB #21-ST-003H

      Date Announced:
      OCT 01, 2021
      NHTSA ID:
      #10203272

      Certain vehicles may develop a bearing noise within the Motor Driven Power Steering (MDPS) column worm shaft assembly. Read More »

    • TSB #20-ST-001H-2

      Date Announced:
      SEP 09, 2020
      NHTSA ID:
      #10180981

      This bulletin provides information regarding replacement of the column-mounted Motor Driven Power Steering (MDPS) system as separate components. Read More »

    • TSB #20-ST-003H-1

      Date Announced:
      SEP 09, 2020
      NHTSA ID:
      #10180985

      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 bulletin to replace the worm shaft assembly. Read More »

    STEERING:COLUMN

    • TSB #20-ST-001H-1

      Date Announced:
      AUG 10, 2020
      NHTSA ID:
      #10179244

      This bulletin provides information regarding replacement of the column-mounted Motor Driven Power Steering (MDPS) system as separate components. Read More »

    • TSB #20-ST-003H

      Date Announced:
      AUG 10, 2020
      NHTSA ID:
      #10179246

      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 bulletin to replace the worm shaft assembly. Read More »

    STEERING:ELECTRIC POWER ASSIST SYSTEM

    • TSB #20-ST-003H

      Date Announced:
      AUG 10, 2020
      NHTSA ID:
      #10179246

      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 bulletin to replace the worm shaft assembly. Read More »

    STEERING:AUTOMATED/ADAPTIVE STEERING:MOTOR/ACTUATOR

    • TSB #20-ST-001H-1

      Date Announced:
      AUG 10, 2020
      NHTSA ID:
      #10179244

      This bulletin provides information regarding replacement of the column-mounted Motor Driven Power Steering (MDPS) system as separate components. Read More »

    BRAKES (PWS)

    • TSB #21-BR-002H

      Date Announced:
      MAR 23, 2021
      NHTSA ID:
      #10190038

      This bulletin provides best practice recommendations when performing brake service procedures. Read More »

    • TSB #20-BR-002H

      Date Announced:
      NOV 30, 2020
      NHTSA ID:
      #10183963

      This bulletin describes the procedure to inspect and identify fluid which may appear around the brake caliper area. Read More »

    ENGINE (PWS)

    • TSB #Certain vehicles

      Date Announced:
      MAR 14, 2022
      NHTSA ID:
      #10210201

      If you are servicing an applicable vehicle with a a??Check Enginea?? light on and one or more of the DTC listed below, follow the Service Procedure and replace the harness with an integrated oil temperature sensor. Read More »

    ENGINE AND ENGINE COOLING

    • TSB #23-01-093H

      Date Announced:
      JAN 10, 2024
      NHTSA ID:
      #10249698

      This 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). Read More »

    • TSB #23-EM-009H

      Date Announced:
      DEC 15, 2023
      NHTSA ID:
      #10247605

      Certain 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 ... Read More »

    • TSB #23-EM-005H

      Date Announced:
      OCT 13, 2023
      NHTSA ID:
      #10247189

      This bulletin provides important checkpoint guidelines when performing engine oil and filter change services. Read More »

    • TSB #22-AT-010H

      Date Announced:
      AUG 17, 2022
      NHTSA ID:
      #10218649

      If you are servicing an applicable vehicle with a a??Check Enginea?? light on and one or more of the DTC listed below, follow the Service Procedure and replace the valve body internal harness and the input/output speed sensor. Read More »

    • TSB #22-EM-010H

      Date Announced:
      JUL 28, 2022
      NHTSA ID:
      #10217251

      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 replacement. Read More »

    • TSB #22-AT-008H

      Date Announced:
      JUN 21, 2022
      NHTSA ID:
      #10215602

      If you are servicing an applicable vehicle with a a??Check Enginea?? light on and one or more of the DTC listed below, follow the Service Procedure and replace the related solenoid and harness. Read More »

    • TSB #21-EM-004H

      Date Announced:
      MAR 30, 2021
      NHTSA ID:
      #10190044

      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 Test inspection requirements to determine next required ... Read More »

    • TSB #21-EM-003H

      Date Announced:
      MAR 10, 2021
      NHTSA ID:
      #10189989

      This bulletin provides the inspection procedure and repair guidelines for certain vehicles listed below. Read More »

    ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

    • TSB #23-HC-002H

      Date Announced:
      AUG 25, 2023
      NHTSA ID:
      #10241883

      This 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. Read More »

    POWER TRAIN

    • TSB #24-AT-002H

      Date Announced:
      APR 09, 2024
      NHTSA ID:
      #10253275

      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 Page 2. Read More »

    • TSB #23-01-093H

      Date Announced:
      DEC 15, 2023
      NHTSA ID:
      #10247604

      This 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). Read More »

    • TSB #23-EM-009H

      Date Announced:
      DEC 15, 2023
      NHTSA ID:
      #10247605

      Certain 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 ... Read More »

    • TSB #23-AT-006H-2

      Date Announced:
      NOV 10, 2023
      NHTSA ID:
      #10245580

      This TSB provides information to diagnose the push button shifter operation. Read More »

    • TSB #23-HC-002H

      Date Announced:
      AUG 25, 2023
      NHTSA ID:
      #10241883

      This 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. Read More »

    • TSB #23-AT-006H-1

      Date Announced:
      AUG 01, 2023
      NHTSA ID:
      #10241796

      This 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. Read More »

    • TSB #22-AT-010H

      Date Announced:
      AUG 17, 2022
      NHTSA ID:
      #10218649

      If you are servicing an applicable vehicle with a a??Check Enginea?? light on and one or more of the DTC listed below, follow the Service Procedure and replace the valve body internal harness and the input/output speed sensor. Read More »

    • TSB #22-AT-001H

      Date Announced:
      JAN 21, 2022
      NHTSA ID:
      #10207809

      This TSB provides a procedure to diagnose the push button shifter operation. If you are servicing a vehicle with any symptoms or DTC listed below, follow the Service Procedure, Page 2. Read More »

    • TSB #21-AT-009H

      Date Announced:
      JUL 13, 2021
      NHTSA ID:
      #10200075

      This TSB provides a procedure to diagnose the push button shifter operation. Read More »

    POWER TRAIN:AUTOMATIC TRANSMISSION

    • TSB #23-AT-006H-1

      Date Announced:
      AUG 01, 2023
      NHTSA ID:
      #10241796

      This 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. Read More »

    ELECTRICAL SYSTEM

    • TSB #24-BE-001H

      Date Announced:
      JAN 10, 2024
      NHTSA ID:
      #10249699

      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 a??Uneven Road Ahead, Drive carefullya?? on the cluster ... Read More »

    • TSB #23-01-093H

      Date Announced:
      DEC 15, 2023
      NHTSA ID:
      #10247604

      This 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). Read More »

    • TSB #23-BE-007H

      Date Announced:
      JUL 17, 2023
      NHTSA ID:
      #10240087

      This Service Information bulletin provides information on how to update the Apple Carplay software from Hyundaia??s Navigation Updates page. Read More »

    • TSB #21-BE-004H

      Date Announced:
      MAR 16, 2021
      NHTSA ID:
      #10189991

      When using Wireless CarPlay, the system may intermittently auto disconnect. When Wireless CarPlay is disconnected, a pop up message a??Phone Not Responding. Please reconnect it and try againa?? will appear on the radio screen. Read More »

    • TSB #21-01-007H

      Date Announced:
      JAN 26, 2021
      NHTSA ID:
      #10186823

      When using Wireless CarPlay, the system may intermittently auto disconnect. When Wireless CarPlay is disconnected, a pop up message a??Phone Not Responding. Please reconnect it and try againa?? will appear on the radio screen. Read More »

    • TSB #20-BE-014H

      Date Announced:
      DEC 21, 2020
      NHTSA ID:
      #10185443

      When using Wireless CarPlay, the system may intermittently auto disconnect. When Wireless CarPlay is disconnected, a pop up message a??Phone Not Responding. Please reconnect it and try againa?? will appear on the radio screen. Read More »

    • TSB #20-01-041H

      Date Announced:
      OCT 29, 2020
      NHTSA ID:
      #10182327

      Certain 2020 MY Ioniq Plug-In (AE PHEV), Ioniq Hybrid (AE HEV), and 2020 - 2021 MY Sonata Hybrid (DN8 HEV) may exhibit a check engine light ON with a DTC P17A0 (Navigation Control Module). Read More »

    • TSB #20-01-039H

      Date Announced:
      OCT 09, 2020
      NHTSA ID:
      #10182304

      This bulletin provides information and procedures for collecting OBD a??In Use Monitor Performance Ratioa?? (IUMPR) data on certain 2019-2021MY vehicles at California dealers. Read More »

    • TSB #20-ST-001H-1

      Date Announced:
      AUG 10, 2020
      NHTSA ID:
      #10179244

      This bulletin provides information regarding replacement of the column-mounted Motor Driven Power Steering (MDPS) system as separate components. Read More »

    • TSB #20-ST-003H

      Date Announced:
      AUG 10, 2020
      NHTSA ID:
      #10179246

      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 bulletin to replace the worm shaft assembly. Read More »

    • TSB #20-GI-003H

      Date Announced:
      JUN 01, 2020
      NHTSA ID:
      #10177087

      This bulletin provides information on the Launch Quality Monitoring Process (LQMP) for the 2020MY Hyundai Sonata Hybrid. Read More »

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #20-01-031H-1

      Date Announced:
      JUL 15, 2020
      NHTSA ID:
      #10178177

      This bulletin describes the procedure to program the NFC Card only when no other NFC card has been paired to the vehicle previously. Read More »

    EXTERIOR LIGHTING

    • TSB #20-BD-014H

      Date Announced:
      JUL 14, 2020
      NHTSA ID:
      #10178175

      This bulletin provides information regarding condensation related to moisture accumulation in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. Read More »

    VISIBILITY

    • TSB #24-BD-001H

      Date Announced:
      FEB 14, 2024
      NHTSA ID:
      #10251285

      This bulletin contains information about the proper removal of the windshield wiper blade protective cover on all models. Read More »

    • TSB #23-BD-002H

      Date Announced:
      JAN 30, 2023
      NHTSA ID:
      #10230904

      This bulletin provides information regarding condensation related to the accumulated moisture in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. Read More »

    VISIBILITY/WIPER (PWS)

    • TSB #24-BD-001H

      Date Announced:
      FEB 14, 2024
      NHTSA ID:
      #10251285

      This bulletin contains information about the proper removal of the windshield wiper blade protective cover on all models. Read More »

    STRUCTURE:BODY

    • TSB #23-BD-007H

      Date Announced:
      APR 24, 2023
      NHTSA ID:
      #10235566

      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, and industrial fallout. Read More »

    TIRES

    • TSB #22-GI-006H

      Date Announced:
      JUL 14, 2022
      NHTSA ID:
      #10217258

      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 when vehicle weight has been increased before retail ... Read More »

    • TSB #20-SS-004H

      Date Announced:
      NOV 19, 2020
      NHTSA ID:
      #10183960

      This bulletin provides tire vibration service procedures, including how to optimize vehicle vibration performance. Read More »

    WHEELS

    • TSB #20-SS-004H

      Date Announced:
      NOV 19, 2020
      NHTSA ID:
      #10183960

      This bulletin provides tire vibration service procedures, including how to optimize vehicle vibration performance. Read More »

    EQUIPMENT

    • TSB #21-EM-004H

      Date Announced:
      MAR 30, 2021
      NHTSA ID:
      #10190044

      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 Test inspection requirements to determine next required ... Read More »

    • TSB #21-BR-002H

      Date Announced:
      MAR 23, 2021
      NHTSA ID:
      #10190038

      This bulletin provides best practice recommendations when performing brake service procedures. Read More »

    • TSB #21-BE-004H

      Date Announced:
      MAR 16, 2021
      NHTSA ID:
      #10189991

      When using Wireless CarPlay, the system may intermittently auto disconnect. When Wireless CarPlay is disconnected, a pop up message a??Phone Not Responding. Please reconnect it and try againa?? will appear on the radio screen. Read More »

    • TSB #21-EM-003H

      Date Announced:
      MAR 10, 2021
      NHTSA ID:
      #10189989

      This bulletin provides the inspection procedure and repair guidelines for certain vehicles listed below. Read More »

    • TSB #20-01-039H

      Date Announced:
      OCT 09, 2020
      NHTSA ID:
      #10182304

      This bulletin provides information and procedures for collecting OBD a??In Use Monitor Performance Ratioa?? (IUMPR) data on certain 2019-2021MY vehicles at California dealers. Read More »

    • TSB #20-ST-001H-2

      Date Announced:
      SEP 09, 2020
      NHTSA ID:
      #10180981

      This bulletin provides information regarding replacement of the column-mounted Motor Driven Power Steering (MDPS) system as separate components. Read More »

    • TSB #20-ST-003H-1

      Date Announced:
      SEP 09, 2020
      NHTSA ID:
      #10180985

      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 bulletin to replace the worm shaft assembly. Read More »

    • TSB #20-01-031H-1

      Date Announced:
      JUL 15, 2020
      NHTSA ID:
      #10178177

      This bulletin describes the procedure to program the NFC Card only when no other NFC card has been paired to the vehicle previously. Read More »

    • TSB #20-BD-014H

      Date Announced:
      JUL 14, 2020
      NHTSA ID:
      #10178175

      This bulletin provides information regarding condensation related to moisture accumulation in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. Read More »

    EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE

    • TSB #23-BE-007H

      Date Announced:
      JUL 17, 2023
      NHTSA ID:
      #10240087

      This Service Information bulletin provides information on how to update the Apple Carplay software from Hyundaia??s Navigation Updates page. Read More »

    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #Certain vehicles

      Date Announced:
      MAR 14, 2022
      NHTSA ID:
      #10210201

      If you are servicing an applicable vehicle with a a??Check Enginea?? light on and one or more of the DTC listed below, follow the Service Procedure and replace the harness with an integrated oil temperature sensor. Read More »

    EQUIPMENT ADAPTIVE/MOBILITY

    • TSB #21-BR-002H

      Date Announced:
      MAR 23, 2021
      NHTSA ID:
      #10190038

      This bulletin provides best practice recommendations when performing brake service procedures. Read More »

    • TSB #20-ST-003H-1

      Date Announced:
      SEP 09, 2020
      NHTSA ID:
      #10180985

      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 bulletin to replace the worm shaft assembly. Read More »

    • TSB #20-BD-014H

      Date Announced:
      JUL 14, 2020
      NHTSA ID:
      #10178175

      This bulletin provides information regarding condensation related to moisture accumulation in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. Read More »

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