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March 12, 2021 Service bulletin

Diagnostic Trouble Codes (DTCs) B14C0 and B14C1 (Right/Left Front Seat Heater Circuit) stored in the air...

Toyota technical service bulletin T-SB-0014-21 for 2021 Toyota Tacoma.

Bulletin number
T-SB-0014-21
Component
Seats: mid/rear assembly: seat heater/cooler
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.

Owners of these vehicles have filed 3 complaints in the seats category.

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