GM Service Manual Online
For 1990-2009 cars only
Table 1: Cellular Communication
Table 2: Digital Radio Receiver
Table 3: Rear HVAC/RSA
Table 4: Radio

Cellular Communication

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

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

Battery Voltage

Data

Volts

Varies

Ignition Counter

Data

Numeric

Varies

Power Mode

Data

Alphanumeric

Run

Rear HVAC/RSA

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON/Engine OFF/Radio ON

Battery Voltage Signal

Data

Volts

Varies

Rear Audio Seek Down Sw

Data

Numeric

Varies

Rear Audio Seek Up Swit

Data

Numeric

Varies

Source Button

Data

Numeric

Audio Source

Radio

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON/Engine OFF/Radio ON

End Model Part Number

Module Information

Numeric

Varies

Base Model Part Number

Module Information

Numeric

Varies

Julian Date of Build

Module Information

Numeric

Varies

Software Part Number

Module Information

Numeric

Varies

Year Module Built

Module Information

Numeric

Varies

Component Serial No. 13-16

Module Information

Numeric

Varies

CD S.W. Level

CD/DVD/Map Information

--

--

CD H.W. Level

CD/DVD/Map Information

--

--

DVD H/W Part Number

CD/DVD/Map Information

Numeric

--

DVD S/W Part Number

CD/DVD/Map Information

Numeric

--

Navigation Software Version

CD/DVD/Map Information

--

--

Navigation Hardware Level

CD/DVD/Map Information

--

--

Antenna Module

Data

Enabled/Disabled

Enabled

Auxiliary Video Input

Data

Present/ Not Present

Varies

Battery Voltage Signal

Data

Numeric

Varies

DRR

Data

Present/Not Present

Varies

Ign. Cycles Since Last

Data

Numeric

Varies

Phone Signal

Data

Present/Not Present

Varies

Power Mode

Data

Off/Accessory/Run/Crank Request

Run

Power Mode Config.

Data

Bench/Normal Mode

Normal

Signal Strength

Data

Numeric

19

Theft Armed

Data

No VIN/Learned VIN

Learned VIN

Theft Lock Status

Data

Active/Inactive

Inactive

Video Display

Data

Present/ Not Present

Varies