Buick TSB #PI1540

2011 Buick LaCrosse

TSB Document:

Affected Component: ELECTRICAL SYSTEM:SOFTWARE

Summary
This preliminary informational bulletin provides diagnostic and repair information to correct a customer concern in which certain vehicles equipped with Gen 7 and OnStar, a recent over-the-air service update may have caused the OnStar system to become inoperative.

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Date Published
OCT 19, 2015
NHTSA TSB #
10126379
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