2022 Toyota Mirai Engine Problems
- Complaints
- 2about this part
- Share
- 20%of 10 total for the year
- Median mileage
- 46,500miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the engine of the 2022 Toyota Mirai, 20% of the 10 complaints for this model year. Where a mileage was given, the median is 46,500 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 2022 Toyota Mirai. The contact stated that while driving at various speeds, the vehicle hesitated while the accelerator pedal was depressed and maintained automotive power. The Parking Support Brake - PSKB message was displayed. The vehicle was towed to a local dealer; however, the vehicle was not diagnosed or repaired since the extended warranty had expired, and the vehicle had a Salvage Title. The vehicle was taken to another local dealer, where it remained for further investigation. The manufacturer was made aware of the failure. …”
NHTSA complaint #11720963, filed 2026-02, 48,000 miles“The contact owns a 2022 Toyota Mirai. The contact stated that while driving approximately 60 MPH, the vehicle started losing motive power. The accelerator pedal was depressed, and the vehicle continued to decelerate. The contact stated that while driving approximately 15-20 MPH, several warning lights were illuminated, and the stability control symbol was displayed, and a yellow flashing warning light was illuminated. The yellow flashing warning light turned red, and the vehicle stalled. The instrument cluster turned black, and the steering wheel became difficult to turn. …”
NHTSA complaint #11720763, filed 2026-02, 45,000 milesRelated service bulletins
- 11037202Aug 20, 2026OBSOLETE NOTICE August 20, 2026: This bulletin is now obsolete. Please see T-SB-0051-26.
- 11037201Aug 20, 2026This bulletin includes basic procedures for performing a rescue charge at battery on high voltage (HV) Ni-MH and Li-ion batteries.
- 11033404May 7, 2026Although the Mirai Electric Heater Assemblies are covered by Toyota’s New Vehicle Limited Warranty for 3 years or 36,000 miles (whichever comes first), we at Toyota care about…
- 11033403May 6, 2026Technical instructions for 26te03 electric heater sub-assembly replacement certain 2021 - 2024 mirai
- 11016792Feb 20, 2025Some 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…
- 11015506Feb 20, 2025Some 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…
- 11015882Feb 12, 2025OBSOLETE NOTICE February 11, 2025: This bulletin is now obsolete. Please see T-SB-0021-25.
- 11016782Feb 10, 2025Flash reprogramming allows the Electronic Control Unit (ECU) software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are…
- 11015496Feb 10, 2025Flash reprogramming allows the Electronic Control Unit (ECU) software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are…
- 11012753Dec 10, 2024This bulletin includes basic procedures for performing a rescue charge at battery on high voltage (HV) Ni-MH and Li-ion batteries. This bulletin should be used in conjunction…
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2023 | 1 | 17% |
| 2022 | 2 | 20% |
Other parts of the 2022 Toyota Mirai
6 complaintsElectrical system
3 complaintsFuel system
2 complaintsVehicle speed control
2 complaintsBack-over prevention (rear camera)
1 complaintsLane departure
1 complaints
← All problems reported for the 2022 Toyota Mirai
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology