GM Service Manual Online
For 1990-2009 cars only

Radio/Integrated Radio Control (IRC)

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

AM Pass A Stop Level

Radio Information

Decibels

100 dB

AM Pass B Stop Level

Radio Information

Decibels

81 dB

Antenna Power

System Configuration

On/Off

On

Auto Volume Control

System Configuration

On/Off

On

Band Number

Radio Information

AM/FM1/FM2

FM1

CD Changer

System Configuration

Connected/Disconnected

Connected

CD Changer H.W. Level

CD Information

Numeric

50

CD Changer S.W. Level

CD Information

Numeric

50

Clock

System Configuration

Hours

12 hr

Driver Number

System Configuration

Numeric

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

DSP Selected

System Configuration

--

Spacious

FM Pass A Stop Level

Radio Information

Decibels

108 dB

FM Pass B Stop Level

Radio Information

Decibels

68 dB

Ign. Cycles Since Last

Radio Information

Numeric

Varies

Julian Date of Build

Module Information

Numeric

Varies

Language

System Configuration

--

English

New VIN Counter

System Configuration

Numeric

Varies

Point of Sale

System Configuration

--

US

Power Mode Config.

System Configuration

--

Deville

Preset Settings

Radio Information

--

Home

PROM ID

Module Information

Numeric

Varies

Region Code

System Configuration

--

US

Sequence Number

Module Information

Numeric

Varies

Signal Strength

Radio Information

Decibels

55 dB

Source Selected

System Configuration

--

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

Amplifier (Bose)

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

Auto Gain Control

Data

Decibels

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

Inputs

Numeric

126

DSP Selected

Outputs

--

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

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

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

Numeric

Varies

Treble Control

Data

Counts

126

Volume Control

Data

Counts

Varies

Year Module Built

Module Information 1

Numeric

Varies