Toyota Corolla 2023 — technical service bulletin
Bulletin 23TC02 · NHTSA communication 10241381 · issued Jul 27, 2023
Technical service bulletin
communication type
Service Brakes, Electric
component
2023
model years
1
vehicle entries
Official summary
Ti: technical instructions for special service campaign 23tc02 brake ecu reprogram certain 2023 model year corolla hv
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.