OnStar - Communication Interface Module - Programming and Setup
COMMUNICATION INTERFACE MODULE (ONSTAR) PROGRAMMING AND SETUP
Each of the following service procedures require programming or setup procedures to be performed on the communication interface module.
Communication Interface Module Replacement
If the OnStar communication interface module is replaced, the setup procedure needs to be performed. Please refer to OnStar Reconfiguration (Gen 6) OnStar Reconfiguration (Gen 6.1) in Cellular Communication.