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

Antenna Signal

System Configuration

Numeric

Varies

Auto. Set

System Configuration

Yes/No

Yes

Band Number

System Configuration

Numeric

Varies

Calibration ID

Module Information

Numeric

Varies

CD Changer

System Configuration

Yes/No

Yes (No if vehicle is not equipped with Remote CD Changer)

CD Focus Errors

CD Information

Numeric

Varies

CD Load/Unload Errors

6

CD Information

Numeric

Varies

CD Tracking Errors

CD Information

Numeric

Varies

Component Serial # 13-1

Module Information

Numeric

Varies

Component Serial # 17-1

Module Information

Numeric

Varies

Driver Number

System Configuration

1/2

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

Julian Date of Build

Module Information

Numeric

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

Year Module Built

Module Information

Numeric

Varies

Theft Armed

System Configuration

Yes/No

No

Theft Lock

System Configuration

Yes/No

No

Total CD Hours

System Configuration

Numeric

Varies

Total Radio Hours

Module Information

Hrs.

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

Digital Radio Antenna

Data

Millivolts

Varies

Ignition Counter

Data

Numeric

Varies

Julian Date Of Build

ID Information/Module Information

Numeric

Varies

Power Mode

Data

--

run

Year Module Built

ID Information/Module Information

--

Varies

Electronic Serial Number

ID Information/Electronic Serial Number

Alphanumeric

Varies