Toyota Grand Highlander 2023–2024 — technical service bulletin
Bulletin 24TC05 · NHTSA communication 11010336 · issued Oct 10, 2024
Technical service bulletin
communication type
Electrical System
component
2023–2024
model years
3
vehicle entries
Official summary
Technical instructions for special service campaign 24tc05 malfunction indicator lamp (mil) is on with dtc p05ce00 software update certain 2023 & 2024 highlander vehicles certain 2024 grand highlander vehicles
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.