Toyota Corolla 2023 — technical service bulletin
Bulletin T-TT-0731-23 · NHTSA communication 10236197 · issued Apr 12, 2023
Technical service bulletin
communication type
Suspension
component
2023
model years
1
vehicle entries
Official summary
TT: Some customers may complain of the suspension feeling stiff while driving or going over bumps. Some dealerships may have forgotten to remove the transportation spacer during the PDS process which can result in a stiffer than normal suspension feel.
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.