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Auto Recalls For Consumers
by Hyundai Motor America

Technical Service Bulletins for the 2021 HYUNDAI SONATA

Manufacturer technical service bulletins received by the National Highway Traffic Safety Administration to date. Call the Vehicle Safety Hotline toll free at (888) 327-4236 to report safety defects or to obtain information on cars, trucks, child restraints, highway or traffic safety.

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ComponentSummary

060000 ENGINE AND ENGINE COOLING

Dec 09, 2021 - Certain 2020-2021 Sonata (DN8a) vehicles with 1.6T engines may exhibit a check engine light in conjunction with a popping noise, abnormal smell from the engine compartment, rough running, or reduced power due to a misfire.

010000 STEERING

Nov 05, 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 bulletin to replace the worm shaft bearing

060000 ENGINE AND ENGINE COOLING

Nov 05, 2021 - Certain Sonata N-Line vehicles may have an uneven appearance between LH and RH exhaust tips due to slightly misaligned rear mufflers. This bulletin describes the procedure to adjust and realign the rear mufflers to correct the appearance.

100000 POWER TRAIN

Nov 05, 2021 - : 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 casting on the rear cover of the transmission.

060000 ENGINE AND ENGINE COOLING

Oct 08, 2021 - Certain 2020-2021 Sonata (DN8a) vehicles with 1.6T engines may exhibit a check engine light in conjunction with a popping noise, abnormal smell from the engine compartment, rough running, or reduced power due to a misfire.

100000 POWER TRAIN

Aug 06, 2021 - This TSB provides a procedure to diagnose the push button shifter operation.

060000 ENGINE AND ENGINE COOLING

Jul 08, 2021 - This bulletin provides information related to an Electronic Control Module (ECM) software update which revises the OBD Air Fuel Ratio Imbalance (AFRI) monitor function frequency and cylinder imbalance diagnosis logic.

100000 POWER TRAIN

Jul 08, 2021 - If you are servicing an 8-speed front-wheel-drive vehicle with the DTC or symptoms listed below, refer to the Service Procedure to diagnose the condition. n++ DIAGNOSTIC TROUBLE CODES: n++ P070500 - Transmission range sensor circuit malfu

030000 BRAKES (PWS)

Apr 06, 2021 - This bulletin provides best practice recommendations when performing brake service procedures.

060000 ENGINE AND ENGINE COOLING

Apr 06, 2021 - This bulletin provides the inspection procedure and repair guidelines for certain vehicles listed below.

060000 ENGINE AND ENGINE COOLING

Apr 06, 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 Test inspection requirements to determine next required steps

110000 ELECTRICAL SYSTEM

Mar 05, 2021 - This bulletin describes the procedure to update the radio software to help reduce the disconnection occurrences.

355200 EQUIPMENT, OTHER, OWNERS/SERVICE/OTHER MANUAL

Mar 05, 2021 - This bulletin describes the procedure to update the radio software to help reduce the disconnection occurrences.

010000 STEERING

Feb 05, 2021 - The rack-mounted dual pinion Motor Driven Power Steering (MDPS) system components can be replaced separately from the complete assembly. This bulletin provides information on the separate components and the replacement procedure of these co

110000 ELECTRICAL SYSTEM

Feb 05, 2021 - This bulletin provides information on the Launch Quality Monitoring Process (LQMP) for the 2021MY Hyundai Sonata N Line. After a new vehicle launch, Hyundai uses the LQMP to monitor all customer and dealer activities at a minimum of 100 day

110000 ELECTRICAL SYSTEM

Feb 05, 2021 - When using Wireless CarPlay, the system may intermittently auto disconnect. When Wireless CarPlay is disconnected, a pop up message G++Phone Not Responding. Please reconnect it and try againG+¥ will appear on the radio screen. This bulletin

110000 ELECTRICAL SYSTEM

Jan 08, 2021 - When using Wireless CarPlay, the system may intermittently auto disconnect. When Wireless CarPlay is disconnected, a pop up message G++Phone Not Responding. Please reconnect it and try againG+¥ will appear on the radio screen.

130000 VISIBILITY

Jan 08, 2021 - This bulletin describes the procedure to replace the front door module assembly if the front door window cannot close or the door regulator cables are separated from the regulator track.

162000 STRUCTURE, BODY

Jan 08, 2021 - This bulletin describes the procedure to identify and program certain Sonata vehicles Rear Corner Radars from the Advanced Driver Assistance Systems (ADAS) modules to enable the Safe Exit Assist (SEA) warning feature.

162300 STRUCTURE, BODY, DOOR

Jan 08, 2021 - This bulletin describes the procedure to replace the front door module assembly if the front door window cannot close or the door regulator cables are separated from the regulator track.
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