Communication Interface Module Replacement
NOTE:
- It is critical to use the service replacement Communication Interface Module (CIM) only in the vehicle for which it was ordered.
- Failure to perform the following procedures will result in a red LED, DTC(s) being set, and limited or incomplete OnStar® services
- An OnStar® button-press to the OnStar® call center is not required to complete the procedure.
- It may take up to 24 hours for OnStar® service to become fully activated after performing the procedures.
- Perform the following procedure only once. Repeat attempts of the procedure may result in a delay of the activation process.
- Connect the scan tool to the vehicle.
- Connect the Techline Information System (TIS) terminal to the scan tool.
- Select the CIM Communication Interface Module Set-up and perform the set-up procedure.
- Select the ONSA TIS2WEB Pass-Thru OnStar® Activation (Replaced/Upgraded Units Only) option using the service programming system (SPS).
- The default language for the new CIM is English. To change the language to French or Spanish, access the scan tool.
- Inform the customer that it may take up to 24 hours for the OnStar® service to become fully activated.