Operation CHARM: Car repair manuals for everyone.

Scan Tool Data Definitions

8 Digit GM Part Number: The scan tool displays an 8 digit alphanumeric number. The part number of the module.

Antenna Signal: The scan tool displays 0-300. The signal from the antenna is measured in dBuV.

Auto Set: The scan tool displays Active/Inactive. Whether or not the Auto Set feature is currently active.

Band Number: The scan tool displays AM/FM/FM1. The current band that the radio is in.

Calibration ID: The scan tool displays 0-9999. The number designating what calibrations the radio contains.

Cassette Cut Tape: The scan tool displays 0-999. The number of cut tape errors the radio has recorded

Cassette Load/Unload Errors: The scan tool displays 0-999. The number of cassette loading and unloading errors the radio has recorded.

Cassette Tight Tape: The scan tool displays 0-999. The number of cassette tight tape errors the radio has recorded.

CD Changer: The scan tool displays Yes/No. The module displays Yes when the cd sense wire has been grounded to signal that a remote cd changer is present.

CD Focus Errors: The scan tool displays 0-999. The number of CD focus errors the radio has recorded.

CD Load/Unload Errors: The scan tool displays 0-999. The number of cd loading and unloading errors the radio has recorded.

CD Tracking Errors: The scan tool displays 0-999. The number of cd tracking errors the radio has recorded.

Component Serial # 13-1: The scan tool displays 0-9. The internal programing codes of the module.

Component Serial # 17-1: The scan tool displays 0-9. The internal programing codes of the module.

Driver Number: The scan tool displays 1-2. The memory position the driver has selected as received by Class 2 lines.

Julian Date of Build: The scan tool displays 0-999. The month and year that the module was built.

PROM ID: The scan tool displays 0-9999. The identification number of the radios internal PROM.

Preset Control: The scan tool displays a Preset 1-6. The preset number when the radio is on a preset station.

Theft Armed: The scan tool displays Yes/No. 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 Cassette Hours: The scan tool displays 0-999 hrs. The total number of hours the cassette player has been used.

Total CD Hours: The scan tool displays 0-999 hrs. The total number of hours the cd player has been used.

Total Radio Hours: The scan tool displays 0-999 hrs. The total number of hours the radio has been used.

Year Module Built: The scan tool displays a 1990-2020. The production year the module was manufactured.