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February 15, 2023 Service bulletin

TT: MIL ON with DTC(s) present for Hybrid/EV Battery Cooling Fan Circuit.

Toyota technical service bulletin TT069722 for 2021-2022 Toyota Sienna Hybrid and 2021-2022 Toyota Redundant Sienna.

Bulletin number
TT069722
Component
Electrical system
Summary
TT: MIL ON with DTC(s) present for Hybrid/EV Battery Cooling Fan Circuit.

Owners of these vehicles have filed 32 complaints in the electrical category.

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