some reason the os is missing only has the tcs patch menu never saw on like this
some reason the os is missing only has the tcs patch menu never saw on like this
2007 Corvette E38 OS 12614676 has a COS upgrade option (1250213).
If your E38 was never updated by the dealer while under warranty, it may still be running OS 12611833 - which does not have a COS upgrade option.
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