GM Service Manual Online
For 1990-2009 cars only

Radio/Integrated Radio Control (IRC)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON/Engine OFF/Radio ON

8-Digit GM Part Number

Module Information

Numeric

Varies

AM Pass A Stop Level

Radio Information

Numeric

100

AM Pass B Stop Level

Radio Information

Numeric

81

Auto Volume Control

System Configuration

On/Off

On

Band Number

Radio Information

AM/FM1/FM2

FM1

Calibration ID

Module Information

Alphanumeric

Varies

Clock

System Configuration

12 Hr/24 Hr

12 Hr

Driver Number

System Configuration

Driver 1/Driver 2

Driver 1 (Driver 2 if the memory 2 button has been activated)

DSP Selected

System Configuration

Talk/Front Seat/Ambience/Spacious

Spacious

FM Pass A Stop Level

Radio Information

Numeric

100

FM Pass B Stop Level

Radio Information

Numeric

68

Ign. Cycles Since Last

Radio Information

Numeric

Varies

Julian Date of Build

Module Information

Numeric

Varies

Language

System Configuration

Alphanumeric

English

Master PROM ID

Module Information

Alphanumeric

Varies

New VIN Counter

System Configuration

Numeric

Varies

Point of Sale

System Configuration

Alphanumeric

US

Power Mode Config.

System Configuration

Alphanumeric

Seville

Preset Settings

Radio Information

Home/Away

Home

PROM ID for Navigation

Module Information

Alphanumeric

Varies

PROM ID for Audio

Module Information

Alphanumeric

Varies

Region Code

System Configuration

Alphanumeric

North America

Signal Strength

Radio Information

Numeric

19

Slave PROM ID

Module Information

Alphanumeric

Varies

Source Selected

System Configuration

Alphanumeric

Tuner

Theft Lock

System Configuration

Active/Inactive

Inactive

Total Cassette Hours

Cassette Information

Hours

Varies

Total CD/MD Hours

CD Information

Hours

Varies

Total Radio Hours

Radio Information

Hours

Varies

Year Module Built

Module Information

Numeric

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

CD Changer

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON/Engine OFF/Radio ON

8-Digit GM Part Number

Module Information 2

Numeric

Varies

CD Changer Tracking Err

Data

Numeric

Varies

CD Focus Errors

Data

Numeric

Varies

CD Load/Unload Erors

Data

Numeric

Varies

Component Serial #8-11

Module Information 2

Numeric

Varies

Component Serial #12

Module Information 2

Numeric

Varies

Component Serial #13

Module Information 2

Numeric

Varies

Julian Date of Build

Module Information 1

Numeric

Varies

PROM ID

Module Information 1

Alphanumeric

Varies

Total CD/MD Hours

Data

Hours

Varies

Year Module Built

Module Information 1

Numeric

Varies

Amplifier (Bose)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON/Engine OFF/Radio ON

8-Digit GM Part Number

Module Information

Numeric

Varies

Auto Gain Control

Data

dB

3 dB

Auto Volume Control

Outputs

On/Off

On

Balance Control

Data

Counts

126

Battery Voltage

Data

Volts

Varies

Bass Control

Data

Counts

126

Chime

Inputs

On/Off

Off

DSP Level

Data

Numeric

126

DSP Selected

Outputs

Alphanumeric

Spacious

Fade Control

Data

Counts

126

Microphone Low

Data

Numeric

Varies

Microphone High

Data

Numeric

Varies

Mid Control

Data

Counts

126

Mono Volume Control

Data

Counts

Varies

Mute

Outputs

On/Off

Off

Phone Active

Inputs

Active/Inactive

Inactive

PROM ID

Module Information

Numeric

Varies

Treble Control

Data

Counts

126

Volume Control

Data

Counts

Varies

Amplifier (Delco)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON/Engine OFF/Radio ON

8-Digit GM Part Number

Module Information 2

Numeric

Varies

Balance Control

Data

Counts

126

Battery Voltage

Data

Volts

Varies

Bass Control

Data

Counts

126

Calibration ID

Module Information 1

Numeric

Varies

Chime

Inputs

On/Off

Off

Chime Mode

Data

Numeric

0

Component Serial #8-11

Module Information 2

Numeric

Varies

Component Serial #12

Module Information 2

Numeric

Varies

Fade Control

Data

Counts

126

Julian Date of Build

Module Information 1

Numeric

Varies

Mid Control

Data

Counts

126

Mono Volume Control

Data

Counts

Varies

Mute Button

Outputs

On/Off

Off

Phone Active

Inputs

Active/Inactive

Active

PROM ID

Module Information 1

Alphanumeric

Varies

Tone Generator

Data

Numeric

0

Treble Control

Data

Counts

126

Volume Control

Data

Counts

Varies

Year Module Built

Module Information 1

Numeric

Varies