For 1990-2009 cars

#### Radio

Scan Tool Parameter | Data List | Units Displayed | Typical Data Value
--- | --- | --- | ---
Ignition ON/Engine OFF/Radio ON
8-Digit GM Part Number | Module Information | Numeric | Varies
Amplifier | System Configuration | Present/Not Present | Varies
Antenna Signal | System Configuration | dBuV | Varies
Band Number | System Configuration | FM1/ FM2/ AM | Varies
Calibration ID | Module Information | Numeric | Varies
Cassette Cut Tape | Cassette Information | Numeric | Varies
Cassette Inserted | Cassette Information | Yes/No | Varies
Cassette Load/Unload Error | Cassette Information | Numeric | Varies
Cassette Metal | Cassette Information | Metal/Not Metal | Varies
Cassette Side | Cassette Information | Bottom/Top | Varies
Cassette Tight Tape | Cassette Information | Numeric | Varies
CD Changer | System Configuration | Present/Not Present | Varies
CD Focus Errors | CD Information | Numeric | Varies
CD Load/Unload Errors | CD Information | Numeric | Varies
CD Tracking Errors | CD Information | Numeric | Varies
CD Inserted | CD Information | Yes/No | Varies
Driver Number | System Configuration | Driver 1/ Driver 2 | Varies
Julian Date of Build | Module Information | Numeric | Varies
New VIN Counter | System Configuration | Numeric | Varies
Phone | System Configuration | Present/Not Present | Varies
Preset Control | System Configuration | Preset 1-6/Not a Preset | Preset 1-6, if active radio station is a preset
PROM ID | Module Information | Numeric | Varies
Sequence Number | Module Information | Numeric | Varies
Single CD Track Number | CD Information | Numeric | Varies
Source | System Configuration | Off/ Tuner/ CD/ Cassette | Varies
Theft Armed | System Configuration | Yes/No/ Learned VIN Number | Varies
Theft Lock | System Configuration | Locked/Unlocked | Unlocked
Total Cassette Hours | Cassette Information | Hrs. | Varies
Total CD Hours | CD Information | Hrs. | Varies
Total Radio Hours | Module Information | Hrs. | Varies
Year Module Built | Module Information | Numeric | Varies