B14C1 on the 2021 Toyota Tacoma
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.
| T-SB-0014-21 | 2021-04-19. Service bulletin. 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. |
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| T-TT-0624-20 | 2020-10-26. Service bulletin. 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. |
| T-TT-0622-20 | 2020-10-26. Service bulletin. 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. |
3 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.