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

12hr

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

Master Prom I.D.

Module Information

Numeric

Varies

New VIN Counter

System Configuration

Numeric

Varies

Point of Sale

System Configuration

--

US

Power Mode Config.

System Configuration

--

Deville

Preset Settings

Radio Information

--

Home

Region Code

System Configuration

--

US

Sequence Number

Module Information

Numeric

Varies

Signal Strength

Radio Information

Decibels

55 dB

Slave Prom I.D.

Module Information

Numeric

Varies

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