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.
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 »
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 »
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 »
This bulletin provides information regarding replacement of the column-mounted Motor Driven Power Steering (MDPS) system as separate components. Read More »
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 »
This bulletin provides information regarding replacement of the column-mounted Motor Driven Power Steering (MDPS) system as separate components. Read More »
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 »
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 »
This bulletin provides information regarding replacement of the column-mounted Motor Driven Power Steering (MDPS) system as separate components. Read More »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
This Service Information bulletin provides information on how to update the Apple Carplay software from Hyundaia??s Navigation Updates page. Read More »
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 »
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 »
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 »
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 »
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 »
This bulletin provides information regarding replacement of the column-mounted Motor Driven Power Steering (MDPS) system as separate components. Read More »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
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 »
This bulletin provides information regarding replacement of the column-mounted Motor Driven Power Steering (MDPS) system as separate components. Read More »
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 »
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 »
This Service Information bulletin provides information on how to update the Apple Carplay software from Hyundaia??s Navigation Updates page. Read More »
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 »
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 »
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 »
