2021 Hyundai Sonata Hybrid Technical Service Bulletins

51 technical service bulletins (TSBs) are on record for the 2021 Hyundai Sonata Hybrid. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10186823Jan 26, 2021Electrical system. When using Wireless CarPlay, the system may intermittently auto disconnect. When Wireless CarPlay is disconnected, a pop up message “Phone Not Responding. Please reconnect it and try again” will appear on the radio screen. This bulletin describes the procedure to update the radio software to help reduce the disconnection occurrences.

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