T-SB-0146-19 Rev

TSB: Some 2020 ? 2021 model year Tundra vehicles equipped with Audio Plus (version 1186) or earlier may exhibit one or more of the following conditions: ?WiFi intermittently inoperative. ?DTC B15DB present. ?Changing the Auto Relock Timer setting also changes the Remote 2-Press unlock setting. Some 2020 ? 2021 model year Tundra, RAV4, RAV4 Hybrid, Highlander, or Highlander Hybrid vehicles equipped with Audio Plus (version 1210), or Premium Audio (version 1196) or earlier may exhibit one or more of the following conditions: ?Intermittent screen flashing. ?Intermittent ?Destination Assist Unavailable? pop-up message. ?Intermittent blank screen. ?Bluetooth® intermittently disconnects. ?Abnormal radio playback after Destination Assist Call. ??There is no playable data? pop-up message when using USB Audio. ?Unable to answer phone calls when using Apple CarPlay®. ?Clock displays the incorrect time. ?Intermittent rebooting. ??The software version doesn?t correspond? pop-up is intermittently displayed. ?Intermittent black screen when using projection navigation. ?Abnormal noise after ACC OFF/ON when using AM mode and high volume. ??Please connect USB? pop-up message when USB is already connected. A software update is now available to address these conditions. Follow the Software Update Procedure in this bulletin to update the software.