Toyota Tacoma 2021 — technical service bulletin
Bulletin T-TT-0622-20 · NHTSA communication 10181745 · issued Sep 10, 2020
Technical service bulletin
communication type
Seats
component
2021
model years
1
vehicle entries
Official summary
TT: Some 2021 model year Tacoma vehicles equipped with Dual-Zone Automatic Climate Control without the Seat Heater Option may have DTC B14C0 and B14C1 (Right/Left Front Seat Heater Circuit) stored in the Air Conditioning Amplifier.
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.