Toyota Prius 2016–2020 — technical service bulletin
Bulletin T-TT-0577-19 · NHTSA communication 10168521 · issued Oct 15, 2019
Technical service bulletin
communication type
Equipment
component
2016–2020
model years
9
vehicle entries
Official summary
TT: On 2016-2020 model year Prius and 2017-2020 model year Prius Prime vehicles follow the recommendations when performing the HVAC odor maintenance service using A/C Power Foam Evaporator Cleaner & Refresher.
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.