There are 3 owner-reported electrical system complaints for the 2022 Toyota Miraiin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
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. The contact attempted to restart the vehicle but was unable to shift to park(P). The contact stated that a Police Officer attempted to jumpstart the vehicle, but the vehicle failed to start, and a tow truck company was called for assistance. The vehicle was towed to the residence. The contact replaced the battery and was able to start the vehicle and the a “FCV” and the shift to park(P) message was displayed. The contact called a local dealer and was advised that the vehicle needed to be towed to the dealer for a diagnostic test. The vehicle was not repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 45,000.
1) Electrical display goes off on its own. While car in motion and driving,Distract me while I’m driving. 2) car does not start. AAA came to jumpstart, but no luck main battery under the car not responding defective battery. 3) fuel system not working properly cannot fill up the car all the way with hydrogen, it’s giving me 180 miles to maximum of 200 miles to drive ,Car slowed down on it’s own in the freeway lose power very unsafe and unreliable vehicle. 4) Blindspot, not working all the time as I am backing out it does not see other cars or pedestrian coming from left or right side or sometimes stop on it’s own with no car or pedestrian on either side. I have took this car to dealer several times and all they’re telling me they cannot duplicate the issue and I don’t believe it. this is a LEMON vehicle and very unreliable and unsafe this vehicle need to be recall. This car is now parked in my driveway I am afraid to drive this vehicle due to a safety issue .
The 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.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026