Toyota Supra 2020–2021 — technical service bulletin
Bulletin T-SB-0011-21 · NHTSA communication 10188907 · issued Feb 25, 2021
Technical service bulletin
communication type
Electrical System
component
2020–2021
model years
2
vehicle entries
Official summary
TSB: This Service Bulletin provides parts information and repair procedures for wire harnesses, wire terminals, and connectors for 2020-2021 model year Supra vehicles.
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.