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Service bulletin 22TD01RL

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10220203
Published by NHTSA2022-09-15
Manufacturer's number22TD01RL
Manufacturer's date2022-06-30
NHTSA componentELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

NHTSA's summary

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.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Instrument cluster

Vehicles listed
TOYOTA MIRAI2021

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
22TD01RL2022-10-17. Service bulletin. 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.
22TD012022-09-15. Service bulletin. 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.