GM Service Manual Online
For 1990-2009 cars only

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