TOYOTA
T-SB-0043-23 Rev1
Manufacturer communications
- Publication date
- 2025-02-20
- Received by NHTSA
- 2025-03-11
- NHTSA record numbers
- 11015506 · 11016792
Multiple filings of the same bulletin are grouped here; original record numbers remain available.
Manufacturer summary
Original wording in English
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.
•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.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Toyota
P1F6C71Air Sealing Valve Actuator StuckToyota
P1F6E71Air Pressure Regulating Valve Actuator Stuck The EV control computer logic has been modified to reduce the possibility of this conditionCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.