Subaru Legacy 2019–2021 — technical service bulletin
Bulletin FAQ 15-318-24R · NHTSA communication 10253981 · issued Apr 22, 2024
Technical service bulletin
communication type
Equipment
component
2019–2021
model years
5
vehicle entries
Official summary
T16 VoLTE Warranty Extension (15-318-24R) Frequently Asked Questions.
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.