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March 23, 2022 Service bulletin

DD: SPECIAL SERVICE CAMPAIGN 22TC04 (Remedy Notice) Dealer Letter and Technical Instructions Available on...

Toyota technical service bulletin T623 for 2021 Toyota Mirai.

Bulletin number
T623
Component
Electrical system
Summary
DD: SPECIAL SERVICE CAMPAIGN 22TC04 (Remedy Notice) Dealer Letter and Technical Instructions Available on TIS Certain 2021 Model Year Mirai Software Update for the EV Control Computer

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