Is your defective GMC Sierra 1500 actually a LEMON?

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TSB Document:

Affected Component: COMMUNICATION: AUTO CRASH NOTIFICATION

Summary
This Preliminary information communicates to the technician that GM is aware of this concern with audio loss and the OnStar LED being red. GM is working on a solution to correct this customers concern. 

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Date Published
APR 03, 2023
NHTSA TSB #
10236130
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