Communication Interface Module Scan Tool Information
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Communication Interface Module Scan Tool Information
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Vehicle Communication Interface Module Scan Tool Data Parameters
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Parameter
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System State
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Expected Value
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Description
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Operating Conditions:
Ignition ON
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Date
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-
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Numeric
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This displays DD/MM/YYYY. This is the date the VCIM was manufactured.
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GPS Signal
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-
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Yes
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The diagnostic tool shows Yes or No. Yes is shown if there is a GPS-signal that is being received by VCIM.
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Signal Strength
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-
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68
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The scan tool displays 0-100. This is the VCIM signal strength.
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Signal Type
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-
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Digital
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The scan tool displays Digital or Analog. This is the signal type received by the VCIM.
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Time
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-
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Numeric
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The scan tool displays HH:MM:SS. This is the current time.
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Transceiver ID
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-
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Varies
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The scan tool displays a 2-5 digit value. This is the transceiver identification number.
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Vehicle Communication Interface Module Scan Tool Output Controls
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Output Control
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Description
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Acquisition Setting
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It lets you choose from various selections of digital cellular technology systems: AMPS (Advanced Mobile Phone System), CDMA (Code Division Multiple Access), PCS (Personal Communications Service), GSM (Global System for Mobile Communications). Select CDMA because Verizon provides the cellular technology for OnStar which uses CDMA system.
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B1000 Data
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This shows the data recorded when DTC B1000 was set in the VCIM.
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Green LED
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The VCIM illuminates the green LED on the inside rearview mirror when ON is selected.
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Phone Call Test
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When ON is selected, VCIM commands OnStar to connect to the OnStar Center.
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PRL Update
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The VCIM performs a preferred roaming list (PRL) update when this is selected.
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Program Digital Home SID - NID
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Select SID (Station ID) and NID (Network Interface Device) per your location.
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Program Phone Number
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VCIM provides mobile ID number and mobile directory number for this vehicle. Use arrow keys to change the phone number if necessary.
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Red LED
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The VCIM illuminates the red LED on the inside rearview mirror when ON is selected.
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Set Language
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Pick an option between 3 different languages: English, French Canadian, and Spanish.
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VCIM Setup
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Screen displays: Move the vehicle to an open, outside area and make sure the vehicle is running. Following this VCIM setup procedure, a call will automatically be made to the OnStar Call Center. Inform the Call Center advisor that a new VCIM has been installed. Have the STID and ESN from the new VCIM ready to provide to the advisor. Refer to
Communication Interface Module Programming and Setup
for the Reconfiguration Procedure.
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