2021 Toyota MIRAI problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
1 owner complaints analyzed
1 distinct recall campaigns
Not available median reported failure mileage
Scope: 2021 model year. Data updated: . 0 complaints include usable failure mileage. View data status.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Fuel/Propulsion System is the most frequently named component, appearing in 1 of 1 complaints (100.0%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Fuel system concerns | 1 | 100.0% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Fuel/Propulsion System | 1 |
Fuel/Propulsion System: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 0 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 0 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 0; 25,000 to 49,999: 0; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
No usable failure mileage is recorded. 1 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2024 | 1 |
2024: 1
Pattern summary
Fuel/Propulsion System leads the component reports. Fuel system concerns appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11576059 · 2024-03-07 (March 7, 2024)
In 2021 I found a Toyota Mirai Hydrogen Fuel lease take over opportunity on [XXX] I saw the car in person and applied to take over the lease from Toyota Financial. A month and a half later I was able to take possession of the car. I thought I am going to get the $17,000 fuel card with the car that Toyota blocked. This was a used car that I got with over 4,000 miles on the car. Toyota financial Never told me that I cannot use the fuel card, when I applied to get the car? Issues with the car: Not finding Fuel, I live in West Los Angeles/BH …
Owner-reported narrative. Look up ODI 11576059 at NHTSA ↗
Vehicle analysis explorer
Inspect model-year patterns, reported mileage, monthly activity and the evidence behind each signal.
Data completeness
1 unique complaints in this selection. Analysis snapshot: 2026-10-01.
Missing, zero and invalid mileage is excluded. Dates after the snapshot are excluded. Examples are limited selections, not a representative sample.
Problems by model year
Model-wide comparison of the eight most reported components across the model. Cells show counts and shares within each model year. Open a cell for source examples.
| Component | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|---|---|---|---|
| Fuel/Propulsion System | 150.0%ODI 11420522HYDROGEN VEHICLE NOT RELIABLE IN Orange County, CA. ALSO THE VEHICLE MILAGE IS EXTREMELY POOR, HAVING TO FILL UP ABOUT EVERY 2-3 DAYS. LESS THAN 150 MILES PER TANK EASILY. VEHICLE CONSISTENTLY HAS TO BE TOWED WHEN STATIONS ARE DOWN. HYDROGEN STATIONS WERE DOWN MOST OF APRIL, TOYOTA BRAND ENGAGEMENT OFFERED A LOANER VEHICLE AND THERE WERE NO VEHICLES AVAIL. VEHICLE SOLD WITHOUT RELIABLE STATIONS, INFRASTRUCTURE STILL IN PROGRESS- VEHICLE SHOULD NOT BE SOLD WITHOUT FUEL. VEHICLE HAS TO BE TOWED AT LEAST ONCE A MONTH WHEN BEING USED CONSISTENTLY F… | 125.0%ODI 11122867 · 19,700 miUNTIL TWO (2) DAYS AGO, I WAS THE HAPPY OWNER OF A 2017 TOYOTA MIRAI (VIN [XXX]). AT THE TIME OF MY INCIDENT, THE CAR HAD APPROXIMATELY 19,700 MILES ON THE ODOMETER. ON FRIDAY 24 AUGUST 2018 AT APPROXIMATELY 1615 (4:15 PM), I WAS DRIVING MY WIFE TO THE CLEANERS. I WAS ON ALMADEN EXPRESSWAY JUST SOUTH OF THE CAMDEN INTERSECTION IN A SOUTHERLY DIRECTION. SUDDENLY AND WITHOUT WARNING, THE CAR LOST POWER. THE CAR MONITOR SCREEN INSTRUCTED ME TO PULL OFF AS SOON AS POSSIBLE AND TO CONTACT MY CAR DEALER. I WAS INFORMED THAT I HAD AN FC FAILUR… | 150.0%ODI 11722227I own a 2018 Toyota Mirai in California financed through Toyota Financial. The vehicle relies on hydrogen fuel, but hydrogen stations in California are frequently unavailable or offline. Many stations are closed or out of fuel for extended periods. In addition, the price of hydrogen fuel has increased dramatically (approximately three times higher than when the vehicle was purchased). Because of these issues the vehicle often becomes unusable despite still requiring monthly loan payments. Toyota marketed the vehicle as practical to operate … | 125.0%ODI 11701678Extreme lack of refueling infrastructure. Unreliable fuel pumps and stations. High risk of dead battery from sitting. | 00.0%No examples available for this selection. | 1100.0%ODI 11576059In 2021 I found a Toyota Mirai Hydrogen Fuel lease take over opportunity on [XXX] I saw the car in person and applied to take over the lease from Toyota Financial. A month and a half later I was able to take possession of the car. I thought I am going to get the $17,000 fuel card with the car that Toyota blocked. This was a used car that I got with over 4,000 miles on the car. Toyota financial Never told me that I cannot use the fuel card, when I applied to get the car? Issues with the car: Not finding Fuel, I live in West Los Angeles/BH … | 220.0%ODI 11538945Wrong infrastructure was presented to me for the following six years of purchasing the vehicle as the fueling station is always down and malfunctioning which means I cannot drive the car and when I called and spoke to a Mirai agent by the name of [XXX] to request a rental to go to work today on August 16th 2023 he refused saying that I need to drive further away from where I live to a station that he claims is within range which means loss of money, mileage and time if I am able to do so because I need to drive a distance back to where I live … | 350.0%ODI 11564740The vehicle has an advertised driving range by Toyota of 402 miles , depending on that information as true I attempted a trip about that range . During this trip and all other driving times I have never got more then 260 miles of range . | 0UnavailableNo examples available for this selection. | 0UnavailableNo examples available for this selection. |
| Forward Collision Avoidance: Automatic Emergency Braking | 00.0%No examples available for this selection. | 125.0%ODI 11437548The automatic braking system will lock up when there is nothing in front of the car. It will not give a warning like it supposed to. I have gotten whiplash and I’ve hurt my back several times due to this incident. It has also caused major anxiety when driving the car. It’s almost caused an accident several times. The dealership keeps telling me that nothings wrong however the issue keeps happening. Nobody’s fixing it. A specialist has been checking it out and they also were not able to find anything however the issue is still happening. There h… | 150.0%ODI 11698689On several occasions the Toyota Mirai would slam on the brakes on its own while at a considerable speed with no other cars around. It was very scary and concerning traveling at high speeds and the brakes being applied abruptly automatically. | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 550.0%ODI 11508537What component or system failed or malfunctioned, and is it available for inspection upon request? Car suppposed to stop itself as it has all sensors. Still car rear ended other car. How was your safety or the safety of others put at risk? Jeopardy. Since accident occured in residential area my family was okay. What if it was in Free way? Has the problem been reproduced or confirmed by a dealer or independent service center? Not yet, they are not providing me alternate transportation during inspection so not ready yet from my side. Has the vehi… | 233.3% | 0UnavailableNo examples available for this selection. | 0UnavailableNo examples available for this selection. |
| Vehicle Speed Control | 150.0%ODI 11205776CAR LOSS ACCELERATION TWICE DURING DRIVING. ACCELERATION ISSUE WAS REPORTED TO TOYOTA IN OCT 2018 ACCELERATION ISSUE WAS REPORTED TO TOYOTA IN MAR 2019 I HAVE EMAIL DOCUMENTATION THAT THE CAR WAS TAKEN TO LONGO TOYOTA TO REVIEW, TOYOTA MOTOR NORTH AMERICA (TMNA) WAS ASKED FOR FURTHER DATA, RETOOK THE VEHICLE TO LONGO TOYOTA WITH DATA. TMNA HAS NOT RESPONDED WITH A CLEAR PLAN TO ADDRESS PROBLEM. THIS IS A LIABILITY THAT IS NOT ONLY FOR ME AND MY WIFE BUT ALSO OTHER DRIVERS OUT THERE ON THE ROAD. | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 125.0%ODI 115917815/27/24 At 3:14 pm on I-80E exiting at 4B. I was exiting at exit 4B and was pressing on the brakes to slow down. I pressed the brakes really hard but the car kept accelerating. I tried to turn at the curve during the exit, but the car lost power steering, I could not turn the steering wheel, and ended up hitting the wall. | 1100.0%ODI 11541225I was backing up my car very slowly from my friend's drive way to center of street, all the sudently the car lost control, keep backing up with very fast speed 360 degree to hit neighber's front yard wall and concrete street light. back of my car smasshed and total lost. | 00.0%No examples available for this selection. | 220.0% | 116.7% | 0UnavailableNo examples available for this selection. | 0UnavailableNo examples available for this selection. |
| Electrical System | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 330.0%ODI 11638585The battery constantly fails and the hydrogen system will suddenly shutoff bringing the vehicle to an abrupt stop while driving or in traffic. The steering and braking system stops working when this happens. | 116.7%ODI 11713462On 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 roadway, the vehicle suddenly lost propulsion/power without warning. Simultaneously, the vehicle’s infotainment/center display went completely black, consistent with a system reboot or electrical interruption. After a brief pause, the display rebooted and … | 0UnavailableNo examples available for this selection. | 0UnavailableNo examples available for this selection. |
| Forward Collision Avoidance: Warnings | 00.0%No examples available for this selection. | 125.0%ODI 11437548The automatic braking system will lock up when there is nothing in front of the car. It will not give a warning like it supposed to. I have gotten whiplash and I’ve hurt my back several times due to this incident. It has also caused major anxiety when driving the car. It’s almost caused an accident several times. The dealership keeps telling me that nothings wrong however the issue keeps happening. Nobody’s fixing it. A specialist has been checking it out and they also were not able to find anything however the issue is still happening. There h… | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 220.0%ODI 11508537What component or system failed or malfunctioned, and is it available for inspection upon request? Car suppposed to stop itself as it has all sensors. Still car rear ended other car. How was your safety or the safety of others put at risk? Jeopardy. Since accident occured in residential area my family was okay. What if it was in Free way? Has the problem been reproduced or confirmed by a dealer or independent service center? Not yet, they are not providing me alternate transportation during inspection so not ready yet from my side. Has the vehi… | 116.7%ODI 11734497While 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 System Malfunction', and 'PKSB Malfunction'. The vehicle had to be towed to Dublin Toyota (Repair Order #653103). The dealership retrieved critical diagnostic code P1DC500 (FC AIR PRESSURE TOO HIGH) and verified the vehicle would not go into 'Ready' mod… | 0UnavailableNo examples available for this selection. | 0UnavailableNo examples available for this selection. |
| Engine | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 220.0%ODI 11720763 · 45,000 miThe 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 whe… | 116.7%ODI 11713462On 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 roadway, the vehicle suddenly lost propulsion/power without warning. Simultaneously, the vehicle’s infotainment/center display went completely black, consistent with a system reboot or electrical interruption. After a brief pause, the display rebooted and … | 0UnavailableNo examples available for this selection. | 0UnavailableNo examples available for this selection. |
| Service Brakes | 00.0%No examples available for this selection. | 125.0%ODI 11437548The automatic braking system will lock up when there is nothing in front of the car. It will not give a warning like it supposed to. I have gotten whiplash and I’ve hurt my back several times due to this incident. It has also caused major anxiety when driving the car. It’s almost caused an accident several times. The dealership keeps telling me that nothings wrong however the issue keeps happening. Nobody’s fixing it. A specialist has been checking it out and they also were not able to find anything however the issue is still happening. There h… | 150.0%ODI 11698689On several occasions the Toyota Mirai would slam on the brakes on its own while at a considerable speed with no other cars around. It was very scary and concerning traveling at high speeds and the brakes being applied abruptly automatically. | 125.0%ODI 115917815/27/24 At 3:14 pm on I-80E exiting at 4B. I was exiting at exit 4B and was pressing on the brakes to slow down. I pressed the brakes really hard but the car kept accelerating. I tried to turn at the curve during the exit, but the car lost power steering, I could not turn the steering wheel, and ended up hitting the wall. | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 0UnavailableNo examples available for this selection. | 0UnavailableNo examples available for this selection. |
| Unknown Or Other | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 150.0%ODI 11722227I own a 2018 Toyota Mirai in California financed through Toyota Financial. The vehicle relies on hydrogen fuel, but hydrogen stations in California are frequently unavailable or offline. Many stations are closed or out of fuel for extended periods. In addition, the price of hydrogen fuel has increased dramatically (approximately three times higher than when the vehicle was purchased). Because of these issues the vehicle often becomes unusable despite still requiring monthly loan payments. Toyota marketed the vehicle as practical to operate … | 125.0%ODI 11701678Extreme lack of refueling infrastructure. Unreliable fuel pumps and stations. High risk of dead battery from sitting. | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 00.0%No examples available for this selection. | 116.7%ODI 11613048The 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 shut off after an hour, he died of heatstroke. The lack of a warning coupled with the car auto shutting off after an hour was reproduced and confirmed by an independent service center. The car has not been inspected by anyone else. There were no warnin… | 0UnavailableNo examples available for this selection. | 0UnavailableNo examples available for this selection. |
Darker cells indicate a larger share of submitted complaints. Components overlap. This measures complaint composition, not failure probability.
Failure mileage by component
Median and middle 50% of usable owner-reported mileages. Ranges require at least five records.
| Component | Mileage range (25th–75th percentile) | Median | Usable records | Examples |
|---|---|---|---|---|
| No usable records for this analysis. | ||||
Complaint and recall timeline
Explore monthly filing activity alongside recall announcements. Up to ten years of monthly history is available.
Solid line: filed complaints. Dashed amber lines: recall announcement dates for this vehicle selection; markers include all recall components. The latest month is partial. Temporal proximity does not establish causation.
Monthly counts, recall campaigns and complaint examples
| Month | Complaints | Campaigns announced | Examples |
|---|---|---|---|
| 2024-11 | 0 | None | No examples available for this selection. |
| 2024-12 | 0 | None | No examples available for this selection. |
| 2025-01 | 0 | None | No examples available for this selection. |
| 2025-02 | 0 | None | No examples available for this selection. |
| 2025-03 | 0 | None | No examples available for this selection. |
| 2025-04 | 0 | None | No examples available for this selection. |
| 2025-05 | 0 | None | No examples available for this selection. |
| 2025-06 | 0 | None | No examples available for this selection. |
| 2025-07 | 0 | None | No examples available for this selection. |
| 2025-08 | 0 | None | No examples available for this selection. |
| 2025-09 | 0 | None | No examples available for this selection. |
| 2025-10 | 0 | None | No examples available for this selection. |
| 2025-11 | 0 | None | No examples available for this selection. |
| 2025-12 | 0 | None | No examples available for this selection. |
| 2026-01 | 0 | None | No examples available for this selection. |
| 2026-02 | 0 | None | No examples available for this selection. |
| 2026-03 | 0 | None | No examples available for this selection. |
| 2026-04 | 0 | None | No examples available for this selection. |
| 2026-05 | 0 | None | No examples available for this selection. |
| 2026-06 | 0 | None | No examples available for this selection. |
| 2026-07 | 0 | None | No examples available for this selection. |
| 2026-08 | 0 | None | No examples available for this selection. |
| 2026-09 | 0 | None | No examples available for this selection. |
| 2026-10 (partial) | 0 | None | No examples available for this selection. |
Emerging complaint spikes
Complete months in the latest six months with at least 10 complaints, at least twice the preceding 12-month average, and at least three square-root deviations above that average.
This is a descriptive screening rule, not a statistical defect finding. Publicity and reporting changes can increase submissions.
No complete months meet the spike thresholds for this selection.
Equal-age model-year comparison
Model-wide cumulative reports during the first three or five calendar years, starting with the model year (age 0). Only fully elapsed windows are compared.
2022: 4 complaints · 2023: 4 complaints
| Model year | Through age 0 | Through age 1 | Through age 2 |
|---|---|---|---|
| 2022 | 2 | 3 | 4 |
| 2023 | 0 | 2 | 4 |
Date coverage across each selected cohort
| Year | Incident dates used | Filing date fallbacks | Excluded dates |
|---|---|---|---|
| 2022 | 10 | 0 | 0 |
| 2023 | 6 | 0 | 0 |
Incident date is preferred when valid and no later than filing; otherwise filing date is used. Model year approximates age. Equal observation time does not adjust for sales, distance driven or reporting delays. One complaint linked to multiple model years can appear in each cohort.
Components reported together
Each cell counts unique complaints naming both components. Open a nonzero cell for examples.
| Component | Fuel/Propulsion System |
|---|---|
| Fuel/Propulsion System | — |
Co-reporting does not establish that one component caused another concern.
Recurring narrative patterns
Specific keyword mentions beyond broad component labels. Matching includes negations and comparisons and does not confirm a diagnosis.
0 patterns with matching reports.
No narratives match the published patterns.