Service bulletins for the 2021 Toyota Mirai
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
121 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Instrument cluster are shown. Show all
| 22TD01RL | 2022-10-17. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. RL: Due to improper programming in the EV Control Computer, under certain conditions, the vehicle may erroneously illuminate the warning message ?FCV system malfunction? in the instrument panel. Note: This message can be displayed for other issues unrelated to this Limited Service Campaign and should not be ignored. |
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| 22TD01RL | 2022-09-15. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. RL: Due to improper programming in the EV Control Computer, under certain conditions, the vehicle may erroneously illuminate the warning message ?FCV system malfunction? in the instrument panel. Note: This message can be displayed for other issues unrelated to this Limited Service Campaign and should not be ignored. |
| 22TD01 | 2022-09-15. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. DP: Due to improper programming in the EV Control Computer, under certain conditions, the vehicle may erroneously illuminate the warning message ?FCV system malfunction? in the instrument panel. Note: This message can be displayed for other issues unrelated to this Limited Service Campaign and should not be ignored. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.