For 1990-2009 cars

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

AM Pass A Stop Level- This is the first pass stopping level for the seek/scan feature. If nothing is found above this level, the radio will then go to the AM Pass B Stop Level. This is a factory preset value and is not changeable.

AM Pass B Stop Level- This is the second pass stopping level for the seek/scan feature. This is a factory preset value and is not changeable.

Antenna Power- The scan tool displays On/Off. The state of the antenna enable terminal.

Auto Volume Control- The scan tool displays On/Off. The state of the auto volume control function.

Band Number- The scan tool displays AM/FM1/FM2. The current band that the radio is in.

CD Changer- The scan tool displays Connected/Disconnected. The module displays connected when a remote CD changer is present.

CD Changer H.W. Level- The scan tool displays 0-999. The number of the CD changer hardware level.

CD Changer S.W. Level- The scan tool displays 0-999. The number of the CD changer software level.

Clock- The scan tool displays 12hr or 24hr.

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

DSP Selected- The scan tool displays the equalization setting selected (talk, front/driver seat, ambience, spacious, or off).

FM Pass A Stop Level- This is the first pass stopping level for the seek/scan feature. If nothing is found above this level, the radio will then go to the FM Pass B Stop Level. This is a factory preset value and is not changeable.

FM Pass B Stop Level- This is the second pass stopping level for the seek/scan feature. This is a factory preset value and is not changeable.

Ign. Cycles Since Last DTC- The scan tool displays the number of ignition cycles since the last DTC was set.

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

Language- The scan tool displays what language is being displayed on the radio.

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

New VIN Counter- The scan tool displays 0-99. The number of times the radio has been in different vehicles.

Point of Sale- The scan tool displays the country the vehicle was sold in.

Power Mode Config.- The vehicle configration that the radio is set up for (Deville, Seville, or Eldorado).

Preset Settings- The scan tool displays Home/Away. Whether the radio is set to home settings or away settings.

Region Code- The scan tool displays the region the radio is set for (US, Asia, Australia, Europe, Saudi)

Sequence Number- The shift and sequence of build of the radio.

Signal Strength- The scan tool displays 0-255 decibels. The strength of the station that the radio is tunned to.

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

Source Selected- The scan tool displays which sound source has been selected (Tuner, Cassette, CD/MD, CDX, Phone, Radio Off)

Theft Lock- The scan tool displays Active/Inactive. The scan tool displays active when the radio receives the incorrect VIN number 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/MD Hours- The scan tool displays 0-999 hrs. The total number of hours the CD/MD 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 1990-2020. The production year the module was manufactured.