GM Service Manual Online
For 1990-2009 cars only

Radio

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON/Engine OFF/Radio ON/CD Playing

8-Digit GM Part Number

Module Information

Numeric

Varies

Amplifier Present

System Configuration

Yes/No

Varies

EQ Setting

System Configuration

VUE, VUE w/amp, ION Cpe, ION Cpe w/wamp, ION Sed, ION Sed w/amp

Varies

VIN

System Configuration

Alpha Numeric

Varies

Band

Playback Information

FM1, FM2, AM, XM1, XM2

Varies

Preset

Playback Information

Preset #, Not a Preset

Varies

Volume Control

Playback Information

Numeric Percent

Varies

Bass Control

Playback Information

Percent

Varies

Source Status

Playback Information

Off/Tuner/CD/RDS/OnStar/Remote Dig Aud Broadcast Receiver

CD

Total Radio Hours

Playback Information

Hrs

Varies

Total CD Hours

Playback Information

Hrs

Varies

Treble Control

Playback Information

Percent

Varies

Fade Control Front

Playback Information

Percent

Varies

Fade Control Rear

Playback Information

Percent

Varies

Balance Control Left

Playback Information

Percent

Varies

Balance Control Right

Playback Information

Percent

Varies

Received RDS Program Info

Playback Information

Alpha Numeric

Varies

Current RDS Program Info

Playback Information

Alpha Numeric

Varies

User Selected CAT

Playback Information

POP/EASY/TALK/CNTRY/CLASS/JAZZ

Varies

Received CAT

Playback Information

 

Varies

CAT Mode

Playback Information

Off/On

Varies

Traf Announce

Playback Information

Disable/Enable

Varies

CAT Interrupt

Playback Information

Disable/Enable

Varies

TRAF Interrupt Cancel

Playback Information

Yes/No

Varies

CAT Interrupt Cancel

Playback Information

Yes/No

Varies

Signal Status

Playback Information

Numeric

Varies

Radio Input Keys

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON/Engine OFF/ Radio ON

Fast Forward Button

Input Keys

On/Off

Varies

Reverse Button

Input Keys

On/Off

Varies

Repeat Button

Input Keys

On/Off

Varies

Random Button

Input Keys

On/Off

Varies

Seek Up Button

Input Keys

On/Off

Varies

Seek Down Button

Input Keys

On/Off

Varies

No. 1 Preset Button

Input Keys

On/Off

Varies

No. 2 Preset Button

Input Keys

On/Off

Varies

No. 3 Preset Button

Input Keys

On/Off

Varies

No. 4 Preset Button

Input Keys

On/Off

Varies

No. 5 Preset Button

Input Keys

On/Off

Varies

No. 6 Preset Button

Input Keys

On/Off

Varies

Recall Button

Input Keys

On/Off

Varies

AM/FM button

Input Keys

On/Off

Varies

Auto Tone Up Button

Input Keys

On/Off

Varies

Auto Tone Down Button

Input Keys

On/Off

Varies

POWER button

Input Keys

On/Off

Varies

TUNE button

Input Keys

On/Off

Varies

Category Up Button

Input Keys

On/Off

Varies

Category Down Button

Input Keys

On/Off

Varies

RDS Button

Input Keys

On/Off

Varies

CD Eject Button

Input Keys

On/Off

Varies

CD Load Button

Input Keys

On/Off

Varies

Mute Status

Input Keys

On/Off

Varies

Information Button

Input Keys

On/Off

Varies

Aux. Button

Input Keys

On/Off

Varies

Digital Radio Receiver

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON/Engine OFF/Radio ON

8-Digit GM Part Number

ID Information/Module Information

Numeric

Varies

Battery Voltage

Data

Volts

Varies

Component Serial Number

ID Information/Module Information

Numeric

Varies

Day

ID Information/DSP Software Version ID

Numeric

Varies

Day

ID Information/XM Software Version ID

Numeric

Varies

Digital Radio Antenna

Data

Millivolts or Milliamps

Varies

Ignition Counter

Data

Numeric

Varies

Month

ID Information/DSP Software Version ID

Numeric

Varies

Month

ID Information/XM Software Version ID

Numeric

Varies

Power Mode

Data

Alphanumeric

Run

Radio ID

ID Information/Module Information

Numeric

Varies

Software Version

ID Information/DSP Software Version ID

Numeric

Varies

Software Version

ID Information/XM Software Version ID

Numeric

Varies

Year

ID Information/DSP Software Version ID

Numeric

Varies

Year

ID Information/XM Software Version ID

Numeric

Varies