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Toyota TSB #TTT069822

2020 Toyota Sienna

TSB Document:

MC-10224111-9999.pdf

Affected Component: ELECTRICAL SYSTEM

Summary: TT: Some 17-22MY Highlander and 17-20MY Sienna vehicles may experience a MIL ON condition with DTC(s) P042000, and/or P043000. This issue could involve deteriorated catalyst material from the bank 1 or bank 2 catalytic converter.

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Date Published: JUN 20, 2022
NHTSA TSB #: 10224111

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