Scan Tool Data Definitions: Notes

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8 Digit GM Part Number: The scan tool displays an 8-digit alphanumeric number. This is part number of the module.
Antenna Signal: The scan tool displays 0-300. The signal from the antenna is measured in dBuV.
Band Number: The scan tool displays AM/FM/FM1. This is the current band setting.
Calibration ID: The scan tool displays 0-9999. This number designates what calibrations the radio contains.
CD Focus Errors: The scan tool displays 0-999. This is the number of CD focus errors the radio has recorded.
CD Load/Unload Errors: The scan tool displays 0-999. This is the number of CD loading and unloading errors the radio has recorded.
CD Tracking Errors: The scan tool displays 0-999. This is the number of CD tracking errors the radio has recorded.
Digital Radio Antenna: This parameter indicated the amount of current being used by the digital radio antenna, by measuring the voltage across an internal resistor. Early design modules support the mV reading, while later design modules support the mA reading.
Driver Number: The scan tool displays 1-2. This is the memory position the driver has selected as received by Class 2 lines.
Julian Date of Build: The scan tool displays 0-999. This is the month and year that the module was built.
PROM ID: The scan tool displays 0-9999. This is the identification number of the radios internal PROM.
Preset Control: The scan tool displays a preset number 1-6. This is the preset number when the radio is on a preset station.
Theft Armed: The scan tool displays Yes/No/Learned VIN Number. The scan tool displays Yes when the theft mode has been turned ON by recognizing a valid VIN #.
Theft Lock: The scan tool displays Yes/No. The scan tool displays Yes when the radio receives the incorrect VIN number from the PCM across Class 2 lines.
Total CD Hours: The scan tool displays 0-999 hrs. This is the total number of hours the CD player has been used.
Total Radio Hours: The scan tool displays 0-999 hrs. This is the total number of hours the radio has been used.
Year Module Built: The scan tool displays a 1990-2020. This is the production year the module was manufactured.