2021 Toyota Mirai problems, complaints & recalls
Most-reported problem areas: Fuel/Propulsion System (1)
Safety recalls (1)
Electronic Stability Control (Esc):control Module:software 2022-04-13 · campaign 22V239000 · 458,110 vehicles
Defect: Toyota Engineering & Manufacturing (Toyota) is recalling certain 2022 Lexus LX 600, Lexus NX 350h, Lexus NX 450h+, Toytoa RAV4 Hybrid, 2021-2022 Lexus LS 500h, Toyota Mirai, RAV4 PRIME, Sienna, Venza, and 2020-2022 Toyota Highlander Hybrid vehicles. The Skid Control ECU software may not turn on the Vehicle Stability Control (VSC) system when the vehicle is restarted after the driver has disabled the VSC system. As such, these vehicles fail to comply with the requirements of Federal Motor Vehic
Risk: Driving with a deactivated stability control system increases the risk of a crash.
Fix: Dealers will update the Skid Control ECU software, free of charge. Owner notification letters were mailed May 27, 2022. Owners may contact Toyota customer service at 1-800-331-4331. Toyota's number for this recall is 22TA03. Lexus' number for this recall is 22LA01.
Service bulletins (121)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Engine 2026-08-20 · T-SB-0110-20 Rev2 · Service Bulletin/Repair Instructions
obsolete notice august 20, 2026: this bulletin is now obsolete. please see t-sb-0051-26.
Engine 2026-08-20 · T-SB-0051-26 · Service Bulletin/Repair Instructions
this bulletin includes basic procedures for performing a rescue charge at battery on high voltage (hv) ni-mh and li-ion batteries.
Engine 2026-05-07 · 26TE03 · Warranty Program/Extension
although the mirai electric heater assemblies are covered by toyota’s new vehicle limited warranty for 3 years or 36,000 miles (whichever comes first), we at toyota care about the customers’ ownership experience. under this program, toyota is providing additional coverage for repairs related to mira
Engine 2026-05-06 · 26TE03 · Service Bulletin/Repair Instructions
technical instructions for 26te03 electric heater sub-assembly replacement certain 2021 - 2024 mirai
Electrical System 2026-01-30 · T-SB-0106-22 Rev2 · Service Bulletin/Repair Instructions
obsolete notice january 30, 2026: this bulletin is now obsolete. please see t-sb-0001-26.
Electrical System 2026-01-28 · T-SB-0001-26 · Service Bulletin/Repair Instructions
some 2018 – 2024 model year toyota vehicles equipped with a premium audio with dynamic navigation system require a special service tool (sst) usb flash drive to update the map, points of interest, and system software.
Showing the 6 most recent of 121 bulletins. Search all of them free at nhtsa.gov.
What owners report
2024-03-07 · Fuel/Propulsion System“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 wit…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.