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

Antenna Signal

System Configuration

dBuV

Varies

Amplifier

System Configuration

Present/Not Present

Varies

Band Number

System Configuration

FM1/ FM2/ AM

Varies

Calibration ID

Module Information

Numeric

Varies

Cassette Cut Tape

Cassette Information

Numeric

Varies

Cassette Load/Unload Error

Cassette Information

Numeric

Varies

Cassette Inserted

Cassette Information

Yes/No

Varies

Cassette Metal

Cassette Information

Metal/Not Metal

Varies

Cassette Side

Cassette Information

Bottom/Top

Varies

Cassette Tight Tape

Cassette Information

Numeric

Varies

CD Focus Errors

CD Information

Numeric

Varies

CD Load/Unload Errors

CD Information

Numeric

Varies

CD Tracking Errors

CD Information

Numeric

Varies

CD Inserted

CD Information

Yes/No

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

New VIN Counter

System Configuration

Numeric

Varies

Phone

System Configuration

Present/Not Present

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

Sequence Number

Module Information

Numeric

Varies

Single CD Track Number

CD Information

Numeric

Varies

Source

System Configuration

Off/ Tuner/ CD/ Cassette

Varies

Theft Armed

System Configuration

Yes/No/ Learn VIN Number

Varies

Theft Lock

System Configuration

Locked/Unlocked

Unlocked

Total Cassette Hours

Cassette Information

Hrs.

Varies

Total CD Hours

CD Information

Hrs.

Varies

Total Radio Hours

Module Information

Hrs.

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

Day

ID Information/DSP Software Version ID

--

Varies

Day

ID Information/XM Software Version ID

--

Varies

Digital Radio Antenna

Data

Millivolts

Varies

Ignition Counter

Data

Numeric

Varies

Julian Date Of Build

ID Information/Module Information

Numeric

Varies

Month

ID Information/DSP Software Version ID

--

Varies

Month

ID Information/XM Software Version ID

--

Varies

Power Mode

Data

--

run

Software Version

ID Information/DSP Software Version ID

--

Varies

Software Version

ID Information/XM Software Version ID

--

Varies

Year

ID Information/DSP Software Version ID

--

Varies

Year

ID Information/XM Software Version ID

--

Varies

Year Module Built

ID Information/Module Information

--

Varies

Electronic Serial Number

ID Information/Electronic Serial Number

Alphanumeric

Varies

Vehicle Communication Interface Module

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON with Engine OFF

8-Digit GM Part Number

Module 2

8 Digits

15258785

Component Serial Number 13-16

Module 1

4 Digits

Varies

Date

Data

Date

DD/MM/YYYY

Electronic Serial Number

Module 2

11 Digits

03600326309

GPS Signal

GPS Data

Yes/No

Yes

Julian Date of Build

Module 1

3 Digits

Varies

Module ID

Module 2

Alpha-numeric

Generation 7

Signal Strength

Signal Strength

0-100

68

Signal Type

Signal Strength

Analog/Digital

Digital

Software ID

Module 1

3 Digits

Varies

Time

GPS Data

Time

HH:MM:SS

Transceiver ID

Signal Strength

2-5 Digits

Varies

VCI Module Station ID

Module 2

Numeric

020000141

Year Module Built

Module 1

4 Digits

2005