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GMC TSB #05-08-46-006S
2002 GMC Envoy
Affected Component: ELECTRICAL SYSTEM:SOFTWARE
Date Published
MAY 22, 2014
NHTSA TSB #
10137929
TSB Document
MC-10137929-9999.pdf
Summary
This informational bulletin advises the technician to update the Onstar from an analog system to a digital system if the customer wishes.