Service bulletins for the 2021 Toyota Tacoma
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
165 on file from NHTSA, as of 2026-10-19.
About B14C0 on the 2021 Toyota Tacoma: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
Only bulletins with trouble code: B14C0 are shown. Show all
| T-SB-0014-21 | 2021-04-19. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; SEATS:MID/REAR ASSEMBLY:SEAT HEATER/COOLER. 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. SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER. 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. SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER. 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. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.