Toyota Sienna 2019 — technical service bulletin
Bulletin T-TT-0508-18 · NHTSA communication 10152588 · issued Oct 2, 2018
Technical service bulletin
communication type
Equipment
component
2019
model years
1
vehicle entries
Official summary
TT: Some 2019 model year Sienna vehicles equipped with Entune? 3.0 Premium Audio (Audio version: 1187) may exhibit one or more of the following concerns: ? Entune? Inoperative ? Destination Assist Inoperative
Vehicles covered
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.