P1F6C on the 2021 Toyota Mirai
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-0043-23 Rev1 | 2025-04-08. Service bulletin. 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. |
|---|---|
| T-SB-0043-23 Rev1 | 2025-03-11. Service bulletin. 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. |
| TTT073823 | 2023-10-16. Service bulletin. TT: MIL On with DTCs P1F6C71 and/or P1F6E71 |
| T-SB-0043-23 | 2023-08-28. Service bulletin. TSB: 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 |
4 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.