Scan Tool Data Definitions

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8 Digit GM Part Number: The scan tool displays an 8 digit alphanumeric number. The part number of the module.
Antenna Enable: The scan tool displays if the antenna is Active/Inactive.
Balance: The scan tool displays % percent. The Balance data parameter refers to the right to left audio output balance in percent.
Bass: The scan tool displays % percent. The Bass data parameter refers to the percentage of bass commanded by the radio control head.
Battery Voltage: The scan tool displays the current voltage of the battery in volts.
CD Changer: The scan tool displays Connected/Not Connected. The module displays Connected when the CD sense wire has been grounded to signal that a remote CD changer is present.
CD Inserted: The scan tool displays Yes/No. This data parameter indicates whether the CD player recognizes an inserted disc.
Chime Type: The scan tool displays what the chime type is set.
Fade: The scan tool displays % percent. This data parameter refers to the front to back audio output Fade in percent.
Ignition Since Current DTC: The scan tool displays Cycles. This data parameter indicates the number of ignition cycles since a current DTC was set.
Julian Date of Build: The scan tool displays 0-999. The month and year that the module was built.
Midrange: The scan tool displays 0-100%. The amount of mid range selected.
Personalization: The scan tool displays Driver 1/Driver 2. This data parameter refers to the personalization currently selected.
Phone: The scan tool displays Present/Not Present. This data parameter indicates if the radio detects the presence of a cellular telephone.
Signal Strength: The scan tool displays dB (decibel). This data parameter indicates the strength of the tuned frequency in dB.
Source: The scan tool displays Off/Tuner/CD/Cassette.This data parameter indicates the source that is operating.
Speed Compensated Volume: The scan tool displays On/Off. The state of the speed compensated volume function.
Theft Armed: The scan tool displays Learned VIN/No VIN. The scan tool displays Learned VIN when the theft mode has been turned ON by recognizing a valid VIN.
Theft Locked: The scan tool displays Locked/Unlocked. The scan tool displays Locked when the radio receives the incorrect VIN number from the PCM across Class 2 lines.
Treble: The scan tool displays % percent. This data parameter indicates the amount of treble in percent selected at the radio.
Volume: The scan tool displays % percent. This data parameter indicates the amount of volume (in percent) selected at the radio.
Year Module Built: The scan tool displays a four digit number. The production year the module was manufactured.