Communication Interface Module Scan Tool Information
| Communication Interface Module Scan Tool Information |
| Telematic Control Module, Scan Tool Data Parameters |
| Parameter | System State | Expected Value | Description |
| Operating conditions: Ignition ON | |||
| GPS Data | |||
| Calibration status | - | Calibrated or NOT calibrated | Indicates calibration status |
| Calibration method for position | - | Varies | Indicates the method used to determine position. (0) GPS, (1) Wheel speed only, (2) Wheel speed and GPS combined, (3) Gyro only, (4) Gyro and GPS combined, (5) No fix |
| Month | - | MM | Shows the current month. |
| Day | - | DD | Shows the current day. |
| Year | - | YY | Shows the current year. |
| Hour | - | HH | Shows GPS hour (24-hour format - GMT). |
| Minute | - | MM | Shows GPS minute. |
| Second | - | SS | Shows GPS second. |
| GPS signal | - | Varies | The scan tool shows YES or NO. YES indicates that the telematic control module receives a GPS signal. |
| Signal Strength Data | |||
| Receiver ID number | - | Varies | The scan tool displays a 2-5 digit value. This is the receiver's ID number. |
| GSM signal strength | - | Varies | The scan tool displays 0-127. This is the signal strength of the telematic control module. |
| Signal Type | - | Digital | Shows the signal type received by the telematic control module. |
| Bluetooth Data | |||
| Bluetooth | - | Active | Indicates whether Bluetooth is activated or deactivated. |
| Bluetooth link status | - | Varies | Shows the current link status. (0) Not connected, (1) Connected/standby, (2) Call active, (3) 3-way call active |
| Bluetooth link quality | - | Varies | The scan tool displays a decimal value between 0 and 255. |
| Bluetooth phone to telematic control module; authorisation status | - | Activated or Deactivated | Shows Bluetooth phone to telematic control module authorisation status |
| Bluetooth phone to telematic control module; communication status | - | Activated or Deactivated | Shows Bluetooth phone communication status with telematic control module |
| Bluetooth phone, voice activation | - | Activated or Deactivated | Shows the status the Bluetooth phone's voice activation. |
Telematic Control Module, Scan Tool Output Signals
| Output Data | Description |
| B1000 Information | This shows the data recorded when DTC B1000 was set in the telematic control module. |
| Green LED | The telematics communication interface control module illuminates the green LED when ON is selected. |
| Phone Call Test | When ON is selected, the telematics communication interface control module commands OnStar to connect to the OnStar Centre. |
| Red LED | The telematics communication interface control module illuminates the red LED when ON is selected. |
| PRL Update | The telematic control module performs a preferred roaming list (PRL) update when this is selected. |
| Reset of vehicle speed limitation | Resets the speed limitation function. |
