OnStar does not work following control module replacement

/ 9-5 (9600) / 2009 / 3. Electrical System / OnStar / Fault diagnosis, general / OnStar does not work following control module replacement

The OnStar control module is preprogrammed with phone number and digital home station. If phone number and/or digital home station are incorrectly specified then it is possible to change these using Tech2.

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