it says "TIS must be purchased through AC Delco". Must be- to do what exactly? Just to use it to begin with?
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Open Sep 26, 2013 - 07:11 PM
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Sep 27, 2013 - 10:41 AM
The TIS Subscription must be purchased in order to do any programming/Flashing. The Diagnostic software is pre-loaded on the card. A subscription is not need for the Diagnostic software. BUT you need a subscription to get it updated in the future.
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