Toyota Corolla 2020–2024 — technical service bulletin
Bulletin T-SB-0088-23 Rev2 · NHTSA communication 11022961 · issued Aug 19, 2025
Technical service bulletin
communication type
Engine
component
2020–2024
model years
5
vehicle entries
Official summary
OBSOLETE NOTICE August 19, 2025: This bulletin is now obsolete. Please see T-SB-0059-25.
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.