TSB Document:

Affected Component: ELECTRICAL SYSTEM

Summary
This Preliminary Information communication provides information to the technician about vehicles that unable to place calls to OnStar while in ignition ON mode after performing the OnStar Canada upgrade. Engineering is aware of the issue and is working on a solution. Dealer should communicate to the customer that we apologize for this inconvenience and that General Motors is working on a solution for this concern.

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Date Published
DEC 18, 2015
NHTSA TSB #
10114981
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