Mirai owners have made 1 complaint over 4 model years. Using our PainRank™ system we've ranked it 3rd in overall reliability out of 33 Toyota models, with plenty of interior concerns.
Sometimes it helps just to tally up the complaints and see where the biggest stacks are. Use this information to learn about troublespots or to run for the hills.
1 complaints
Generations are groups of model years where few, if any, changes were made to the vehicle which means their model years tend to break in similar ways. The Mirai has 1 generation available in North American markets.
Running tally of owner grievances filed to CarComplaints.com.
Documenting the process of troubleshooting common problems.
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The Mirai can experience a failure of the fuel cell system when a driver goes down a long hill with cruise control engaged and then hits the gas pedal to quickly accelerate. Toyota says the car could quit because the voltage from the fuel cell boost converter can go beyond its limits and stop the fuel cell system.
The software update should take about 30 minutes to complete, just don't say it's part of a recall. Toyota would prefer to call it a customer satisfaction campaign. 🙄
keep reading article "Mirai's Fuel Cell System Needs a Software Update"