{"nhtsa_id":10190451,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-04-19","date":"2021-03-12","document_id":"T-SB-0014-21","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:APPLIANCE:AIR CONDITIONER; SEATS:MID/REAR ASSEMBLY:SEAT HEATER/COOLER","mfr_system":null,"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.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10190451-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10190451-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10190451","components":[{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null},{"id":"seats","name":"Seats","parent":null}],"codes":["B14C0","B14C1"],"topics":[],"vehicles":[{"make":"TOYOTA","model":"TACOMA","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_toyota_tacoma"]}],"as_of":"2026-10-19","note":"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.","attribution":[]}