Telematics Communication Interface Control Module Generation Identification
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2015 GMC Yukon XL, 2015 GMC Yukon, 2015 Chevrolet Tahoe, 2015 Chevrolet Suburban, and 2015 Cadillac Escalade ESV. However, it is still accessible from the selected car via links, so may be relevant.
To properly choose certain OnStar Diagnostic Trouble Codes and Symptom diagnostics you will need to identify which generation of the Telematics Communication Interface Control Module that you are working with. Listed below are instructions to determine which generation module you have-
- Scan Tool - Under Module Diagnostics select Telematics Communication Interface Control Module then select Identification Information. The generation of the module will be displayed under the data parameter Module Generation Identifier.
Or
- Inspect the label on the Telematics Communication Interface Control Module. The label will indicate if it is a Generation 9.XX or a Generation 10 module.