Communication Interface Module Scan Tool Output Controls
| Parameter | Operating Conditions | Definition |
|---|---|---|
| Ignition is ON, engine OFF, and vehicle is stationary | ||
| B1000 Data | - | This shows the data recorded when DTC B1000 was set in the VCIM. |
| Green LED | - | The VCIM illuminates the green LED on the inside rearview mirror when ON is selected. |
| Phone Call Test | - | When ON is selected, VCIM commands OnStar® to the OnStar® center. |
| Preferred Roaming List (PRL) Update | - | The VCIM performs a preferred roaming list (PRL) update when this is selected. |
| Red LED | - | The VCIM illuminates the red LED on the inside rearview mirror when OFF is selected |