Toyota Highlander 2020–2021 — technical service bulletin
Bulletin T-SB-0019-21 Rev · NHTSA communication 10201369 · issued Jul 9, 2021
Technical service bulletin
communication type
Equipment
component
2020–2021
model years
17
vehicle entries
Official summary
TSB: Some 2020 model year vehicles equipped with Audio Plus (version 1186) or earlier may exhibit one or more of the following conditions: ?WiFi intermittently inoperative. ?DTC (Diagnostic Trouble Code) B15DB present. ?Changing the Auto Relock Timer setting also changes the Remote 2-Press unlock setting. Some 2020 ? 2021 model year 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 scree
Vehicles covered
- 2020 Toyota Highlander
- 2021 Toyota Highlander
- 2020 Toyota Highlander Hybrid
- 2021 Toyota Highlander Hybrid
- 2021 Toyota Prius
- 2021 Toyota Prius Prime
- 2020 Toyota RAV4
- 2021 Toyota RAV4
- 2020 Toyota RAV4 Hybrid
- 2021 Toyota RAV4 Hybrid
- 2021 Toyota RAV4 Prime
- 2021 Toyota Sienna
- 2021 Toyota Sienna Hybrid
- 2020 Toyota Tundra
- 2021 Toyota Tundra
- 2021 Toyota Venza
- 2021 Toyota Venza Hybrid
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.