GM Service Manual Online
For 1990-2009 cars only
Table 1: Cellular Communication
Table 2: Digital Radio Receiver
Table 3: Radio/Navigation

Cellular Communication

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON with Engine OFF

8-Digit GM Part Number

Module 2

8 Digits

93807890

Component Serial Number 13-16

Module 1

4 Digits

0007

Date

GPS Data

Date

DD/MM/YY

Electronic Serial Number

Module 2

11 Digits

16832516749

GPS Signal

GPS Data

Yes/No

Yes

Julian Date of Build

Module 1

3 Digits

067

Module ID

Module 2

Alpha-numeric

Generation 6

Signal Strength

Signal Strength

0-100

68

Signal Type

Signal Strength

Analog/Digital

Digital

Software ID

Module 1

3 Digits

146

Time

GPS Data

Time

HH:MM:SS

Transceiver ID

Signal Strength

2-5 Digits

Varies

VCI Module Station ID

Module 2

10 Digits

0002086783

Year Module Built

Module 1

4 Digits

2001

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

Module Information

Numeric

Varies

Battery Voltage

Data

Volts

Varies

Component Serial Number

Module Information

Numeric

Varies

Digital Radio Antenna

Data

Millivolts or Milliamps

Varies

Ignition Counter

Data

Numeric

Varies

Power Mode

Data

Alphanumeric

Run

Radio ID

Module Information

Numeric

Varies

Radio/Navigation

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

Cal. Module 1 Part No.

Module Information

Alphanumeric

Varies

Cal. Module 1 Suffix

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

Navigation Software Version

Module Information

Alphanumeric

Varies

New VIN Counter

System Configuration

Numeric

Varies

Operational S/W Part No.

Module Information

Alphanumeric

Varies

Operational S/W Suffix

Module Information

Alphanumeric

Varies

Point of Sale

System Configuration

Alphanumeric

US

Power Mode Config.

System Configuration

Alphanumeric

Seville

Preset Settings

Radio Information

Home/Away

Home

Radio Audio Software Version

Module Information

Alphanumeric

Varies

Region Code

System Configuration

Alphanumeric

North America

Signal Strength

Radio Information

Numeric

19

Source Selected

System Configuration

Alphanumeric

Tuner

Theft Lock Status

System Configuration

Active/Inactive

Inactive

Total CD/MD Hours

CD Information

Hours

Varies

Total Radio Hours

Radio Information

Hours

Varies

Year Module Built

Module Information

Numeric

Varies