AutoUtility currently tracks 6 official NHTSA owner defect complaints for the 2023 Toyota Mirai. Fuel & Propulsion System issues are the most frequently reported category, appearing in 3 complaints (50% of submitted records). Among these NHTSA complaint records, 1 reports one or more fatalities.
Factual proportion of owner complaints categorized by automotive subsystem in NHTSA records
3 owner complaints submitted to NHTSA ODI for this subsystem.
2 owner complaints submitted to NHTSA ODI for this subsystem.
2 owner complaints submitted to NHTSA ODI for this subsystem.
1 owner complaint submitted to NHTSA ODI for this subsystem.
Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation
"While driving in traffic, my 2023 Toyota Mirai suffered a sudden and total loss of motive power. The vehicle became completely unresponsive while in 'Drive', presenting a severe safety hazard. The dashboard displayed multiple cascading warnings, including 'FCV System Malfunction', 'Pre-Collision..."
"On January 26, 2026, at approximately 6:50 AM, I experienced a serious safety-related malfunction in my 2023 Toyota Mirai while entering traffic on Inglewood Avenue in Lawndale, California. I was pulling out of a parking lot into active traffic at low speed. At the moment I was entering the..."
"See attached document for complaint."
"Summary of Issue: I am the owner of a Toyota Mirai that suffered a sudden loss of power due to contaminated hydrogen fuel. The incident rendered the vehicle undrivable and raised serious safety concerns, as loss of propulsion in a fuel-cell vehicle can occur without warning while in motion. The..."
"The warning that is supposed to appear every time the car is started that the car will auto shut off after one hour of idling never once appeared. As a result, my husband did not know the auto shut off feature existed on his car. He fell asleep in his car on a hot summer day and when the car auto..."
Reported defect complaint volume across sibling model years (2016–2026)
| Model Year | NHTSA Complaints | Crash Reports | Safety Recalls | Detailed Report |
|---|---|---|---|---|
| 2016 Toyota Mirai | 2 | 0 | 0 | View 2016 Problems → |
| 2017 Toyota Mirai | 4 | 0 | 0 | View 2017 Problems → |
| 2018 Toyota Mirai | 2 | 0 | 0 | View 2018 Problems → |
| 2019 Toyota Mirai | 4 | 1 | 0 | View 2019 Problems → |
| 2020 Toyota Mirai | 1 | 1 | 0 | View 2020 Problems → |
| 2021 Toyota Mirai | 1 | 0 | 1 | View 2021 Problems → |
| 2022 Toyota Mirai | 10 | 2 | 1 | View 2022 Problems → |
| 2023 Toyota Mirai Current Page | 6 | 0 | 2 | Current |
| 2024 Toyota Mirai | 0 | 0 | 2 | View 2024 Problems → |
| 2025 Toyota Mirai | 0 | 0 | 1 | View 2025 Problems → |
| 2026 Toyota Mirai | 0 | 0 | 0 | View 2026 Problems → |
Complete distribution of consumer defect reports across all 6 granular NHTSA system and subsystem classifications
| Vehicle Component / System | Total Complaints | Crash Reports | Fire Reports | Injury Entries | Fatality Entries |
|---|---|---|---|---|---|
| Fuel & Propulsion System NHTSA category: FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| FUEL/PROPULSION SYSTEM,FORWARD COLLISION AVOIDANCE | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ELECTRICAL SYSTEM,ENGINE | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| Other / Uncategorized NHTSA category: UNKNOWN OR OTHER | 1 | 0 | 0 | 0 | 1 |
| VEHICLE SPEED CONTROL,FORWARD COLLISION AVOIDANCE | 1 | 0 | 0 | 0 | 0 |
Cross-reference safety recalls, crash test safety ratings, and EPA fuel economy for this model year
Key performance indicators, EPA fuel economy specs, powertrain variants, and summary ratings.
Official recall campaigns, safety defect descriptions, and manufacturer free remedy instructions.
NHTSA 5-Star NCAP crash test results, driver assistance systems, and rollover resistance ratings.
EPA fuel economy ratings, electric range, and annual energy cost benchmarks.
Direct, deterministic answers synthesized from verified United States government databases for the 2023 Toyota Mirai
In official NHTSA consumer records, the most frequently cited issue area for the 2023 Toyota Mirai is Fuel & Propulsion System, appearing in 3 records (50% of submitted filings).
Secondary reported categories include Driver Assistance & Safety Tech (2) and Powertrain & Transmission (2).
AutoUtility does not issue subjective reliability scores or commercial ratings. In official United States government records, NHTSA tracks 6 consumer defect complaints and 2 safety recall campaigns for the 2023 Toyota Mirai.
Reviewing documented component complaint distributions, recall remedy notices, and active federal investigations provides an objective, evidence-based view of the vehicle's historical safety and defect record.
Consumer complaint records on file with NHTSA for the 2023 Toyota Mirai cite zero crashes, zero fires, and zero injuries.
Incident entries represent consumer descriptions at the time of submission to federal authorities and do not establish mechanical causation or legal liability.
The complaint records on this page are retrieved directly from the NHTSA Office of Defects Investigation (ODI) public database under 49 CFR Part 576.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.