Toyota Prius Prime 2017–2021 — technical service bulletin
Bulletin T-SB-0149-19 Rev · NHTSA communication 10188919 · issued Feb 10, 2021
Technical service bulletin
communication type
Structure
component
2017–2021
model years
5
vehicle entries
Official summary
TSB: Some 2017 ? 2021 model year Prius Prime vehicles may exhibit corrosion on the back door sub-assembly steel reinforcement panel visible below the opener switch and rear camera. Follow the Repair Procedure in this bulletin to address this condition.
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.