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Chevrolet TSB #15-08-73-001A
2010 Chevrolet Traverse
![CarComplaints.com Seal Of This Might Hurt](http://cdn2.carcomplaints.com/img/seals/bad.png)
TSB Document:
Affected Component: ELECTRICAL SYSTEM:SOFTWARE
- Summary
- This informational bulletin explains how to update the older Onstar module software to new software over GSA.
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