Hydrogen Fueling Infrastructure Issues

Significant challenges exist with the availability, reliability, and cost of hydrogen fueling stations. This includes frequent station outages, pump malfunctions, long wait times, and high fuel costs, severely impacting vehicle usability. Estimated repair cost: N/A (Infrastructure Issue).

Reduced Driving Range

Some owners report achieving a driving range significantly less than the advertised EPA estimates, potentially due to software or hardware issues affecting fuel cell performance. Estimated repair cost: $1,000 - $2,000 (Fuel Cell Service).

Climate Control System Failures

Reports of premature failures in the climate control system, leading to inadequate heating or cooling. Estimated repair cost: $500 - $1,500.

Rear Suspension Noise

A creaking or clicking noise may be present from the rear suspension member when braking or driving over uneven surfaces. Estimated repair cost: $200 - $500.

2021 Toyota Mirai Maintenance guide

Name: Maintenance dataset for 2021 Toyota Mirai
Creator: Carfocal

v1.0Updated May 30, 2026Daniel Wilson4 Sources Analyzed

MAINTENANCE SUMMARY

The 2021 Toyota Mirai's maintenance landscape is dominated by two key areas: the critical Electronic Stability Control (ESC) software recall and the significant operational challenges posed by the hydrogen fueling infrastructure. While the ESC software update is a straightforward fix, the scarcity and unreliability of hydrogen stations present a substantial hurdle for daily usability and long-term ownership satisfaction.

View Critical Issue: Electronic Stability Control (ESC) Software Defect

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Reliability Score

Est. Annual Maintenance Cost

$750

TSBs & Recalls

16 TSBs | 10 Recalls

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Key Takeaways

The primary maintenance concern is ensuring the ESC software recall (22V239000) has been completed, which involves a software update to the Skid Control ECU.
Hydrogen fueling infrastructure is a critical factor; owners face challenges with station availability, reliability, and refueling costs, which can severely impact usability.

4 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance