Communication Interface Module Programming and Setup
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Communication Interface Module Programming and Setup
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Special Tools
EL-49642
SPS Programming Support Tool
Each of the following service procedures require programming or setup procedures to be performed on the communication interface module.
Communication Interface Module Replacement
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Note
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It is critical to use the service replacement Communication Interface Module only in the vehicle for which it was ordered.
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Failure to perform the following procedures will result in a red LED, DTC(s) being set, and limited or incomplete OnStar® services.
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An OnStar® button press to the OnStar® call centre is not required to complete the procedure.
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It may take up to 24 hours for OnStar® service to become fully activated after performing the procedures.
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Perform the following procedure only once. Repeat attempts of the procedure may result in a delay of the activation process.
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To fully activate an OnStar® module, both the setup and activation request procedures must be completed on all vehicles with and without an active OnStar® subscription to insure the unit has been setup properly for the vehicle it has been installed into and also to update the OnStar® with the correct unit information.
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To initialize the Turn-by-Turn feature, the vehicle must first be driven 8-16 km (5-10 mi) in order to allow the system to self-calibrate the dead reckoning feature.
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On vehicles up fitted with TTY capabilities, it is necessary to perform a power cycle of the OnStar® Interface Module (OTIM), and toggle the TTY mode after completing the Communication Interface Module installation and setup procedures.
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1.
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Install
EL-49642
SPS programming support tool.
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2.
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Access the Service Programming System (SPS) and follow the on-screen instructions.
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3.
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On the SPS Supported Controllers screen, select ONSU Onstar® Module Setup and Service Activation and follow the on-screen instructions.
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4.
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At the end of programming, choose the "Clear All DTCs" function on the SPS screen.
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5.
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The default language for the new Communication Interface Module is English. To change to an alternate language, access the scan tool.
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6.
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Inform the customer that it may take up to 24 hours for the OnStar® service to become fully activated.
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