TSB Document:

Affected Component: ELECTRICAL SYSTEM:WIRING

Summary
TI: The subject vehicles are equipped with an oxygen sensor with an attached wire harness. Due to the oxygen sensor wire harness routing and engine vibration, the harness may become damaged over time. If the wire harness becomes damaged, the Check Engine warning lamp () may illuminate. Lexus has designed a new oxygen sensor with a different wire harness and bracket to prevent this condition from occurring in the future. NOTE: The check engine warning lamp can illuminate for other reasons not related to this Limited Service Campaign.

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Date Published
JUN 16, 2015
NHTSA TSB #
10111323
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