{"nhtsa_id":11015506,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-03-11","date":"2025-02-20","document_id":"T-SB-0043-23 Rev1","mfr_campaign":"T-SB-0043-23 Rev1","replaces":null,"component":"ENGINE","mfr_system":null,"summary":"Some 2021 – 2022 model year Mirai vehicles may exhibit a MIL ON condition with one or both of the following Diagnostic Trouble Codes (DTCs) present: •P1F6C71 – Air Sealing Valve Actuator Stuck •P1F6E71 – Air Pressure Regulating Valve Actuator Stuck The EV control computer logic has been modified to reduce the possibility of this condition.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11015506-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11015506-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11015506","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P1F6C","P1F6E"],"topics":[],"vehicles":[{"make":"TOYOTA","model":"MIRAI","year_from":2021,"year_to":2022,"match":"exact","vehicle_ids":["2021_toyota_mirai","2022_toyota_mirai"]}],"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":[]}