Toyota Corolla 2020–2024 — technical service bulletin
Bulletin T-SB-0088-23 · NHTSA communication 11003549 · issued Apr 1, 2024
Technical service bulletin
communication type
Engine
component
2020–2024
model years
5
vehicle entries
Official summary
Some 2020 – 2024 model year Corolla vehicles may exhibit a vibration or rattle noise from the right-hand engine mounting insulator sub-assembly. This condition will usually go away when the engine Revolutions Per Minute (RPM) are above idle. This condition is typically found on vehicles in warm climates/weather. No Diagnostic Trouble Codes (DTCs) are associated with this condition. REVISION NOTICE April 01, 2024 Rev1: •The Warranty Information section has been updated
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.