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TSB Document:

Affected Component: ELECTRICAL SYSTEM: SOFTWARE

Summary
This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Technical Assistance Center with the scan tool data from the OnStar system.

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Date Published
FEB 28, 2017
NHTSA TSB #
10113456
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