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1056
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Buick TSB #15-08-73-001A
2007 Buick Terraza
Affected Component: ELECTRICAL SYSTEM:SOFTWARE
Date Published
MAR 21, 2017
NHTSA TSB #
10138020
TSB Document
MC-10138020-9999.pdf
Summary
This informational bulletin explains how to update the older Onstar module software to new software over GSA.