2008 Cadillac STS TSB 10138020

Cadillac TSB #15-08-73-001A

2008 Cadillac STS

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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Date Published
MAR 21, 2017
NHTSA TSB #
10138020
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