GM Service Manual Online
For 1990-2009 cars only
Table 1: Cellular Telephone Module (w/UV8)
Table 2: OnStar® Vehicle Communication Interface Module
Table 3: Amplifier

Cellular Telephone Module (w/UV8)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON with engine off

8-Digit GM Part Number

Data Display

8 digits

16220042

Component Serial #8-11

Data Display

4 digits

1909

Component Serial #12

Data Display

1 digit

9

Component Serial #13-16

Data Display

4 digits

0003

Component Serial #17-18

Data Display

2 digits

01

Julian Date Of Build

Data Display

3 digits

256

Prom ID

Data Display

4 digits

0090

Year Module Built

Data Display

4 digits

2001

OnStar® 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

93807890

Component Serial Number 13-16

Module 1

4 Digits

0007

Electronic Serial Number

Module 2

11 Digits

16832516749

Julian Date of Build

Module 1

3 Digits

067

Module I.D.

Module 2

Alpha-numeric

Generation 4/5

Software I.D.

Module 1

3 Digits

146

VCI Module Station I.D.

Module 2

10 Digits

0002086783

Year Module Built

Module 1

4 Digits

2001

Amplifier

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON with engine off

Mono Volume Control

Data

Counts

159 Counts

Mute

Outputs

On/Off

On

Phone Active

Inputs

Active/Inactive

Inactive