Toyota Tacoma 2021 — technical service bulletin
Bulletin T-SB-0014-21 · NHTSA communication 10190451 · issued Mar 12, 2021
Technical service bulletin
communication type
Seats
component
2021
model years
1
vehicle entries
Official summary
TSB: Some 2021 model year Tacoma vehicles equipped with dual-zone automatic climate control and without the seat heater option may have Diagnostic Trouble Codes (DTCs) B14C0 and B14C1 (Right/Left Front Seat Heater Circuit) stored in the air conditioning amplifier. The air conditioning amplifier logic has been modified to address this condition. Follow the Repair Procedure in this bulletin to address this condition.
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.