Toyota Tundra 2022–2023 — technical service bulletin
Bulletin 23TC06A · NHTSA communication 10247814 · issued Nov 16, 2023
Technical service bulletin
communication type
Parking Brake
component
2022–2023
model years
2
vehicle entries
Official summary
DP: Due to certain programming in the Electronic Parking Brake ECU, under certain conditions, the parking brake light may flash, a parking brake malfunction message will be displayed, and the electronic parking brake may not release.
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.