Toyota Corolla 2020 — technical service bulletin
Bulletin T-TT-0607-20 · NHTSA communication 10176285 · issued May 5, 2020
Technical service bulletin
communication type
Structure
component
2020
model years
1
vehicle entries
Official summary
TT: Some grades of Japan built (VIN beginning with ?J?) non-HV Corollas no longer have a hood seal (PN ? 53381-12290) installed on the radiator support cover.
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.