Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Mobile Telephone Control Module Scan Tool Information
The mobile telephone control module scan tool data parameters list contains all mobile telephone control module related parameters that are available on the scan tool. The list is arranged in alphabetical order. A given parameter may appear in any one of the data lists.
| Parameter | System State | Expected Value | Description |
|---|---|---|---|
| Operating Conditions: Ignition ON | |||
| Battery Voltage | - | 11-14 V | The scan tool displays V. This is the current battery voltage. |
| Bluetooth Signal Strength | - | 0-20 dB | The scan tool displays the wireless devices (Bluetooth) reception field strength. |
| GSM Signal Strength | - | -113 to -51 dBm | The scan tool displays the Global System for Mobile Communications (GSM) signal strength. |
| Microphone Signal | - | 1-16 V | The scan tool displays the voltage level of the microphone power supply. |
| Phone Cradle to Vehicle Status | Cradle is connected | Connected | The scan tool displays the different aspects of the cradle status. |
| Cradle is not connected | Disconnected | ||
| Phone in Cradle | Phone in cradle | Yes | The scan tool displays the status if a phone is connected in the cradle. |
| Phone not in cradle | No | ||
| Output Control | Description |
|---|---|
| Audio Tone | This output control is used to command the Mobile Telephone Control Module audio tone enable or disable. |
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.