2015 Buick Regal TSB 10161941

Buick TSB #18NA246

2015 Buick Regal

TSB Document:

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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