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Buick TSB #18NA246

2019 Buick Envision

TSB Document:

MC-10161941-9999.pdf

Affected Component: ELECTRICAL SYSTEM:SOFTWARE

Summary: This technical bulletin provides a procedure to change the oil if excessive fuel has been found in the oil and the cause of the DTC set. Also replacing the PCV valve in camshaft cover and updating the ECM with latest software.

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Date Published: MAY 29, 2019
NHTSA TSB #: 10161941

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