GM Service Manual Online
For 1990-2009 cars only
Table 1: Cellular Telephone Module (w/UV8)
Table 2: OnStar® Vehicle Interface Unit (VIU) (w/UE1)
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

Prom ID

Data Display

4 digits

0090

Year Module Built

Data Display

4 digits

2000

Julian Date Of Build

Data Display

3 digits

256

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

OnStar® Vehicle Interface Unit (VIU) (w/UE1)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON with engine off

PROM ID

Module Information

Digits (4)

0002

Master Flash ROM ID

Module Information

2 Digits

16

Slave Flash ROM ID

Module Information

2 Digits

17

Julian Date of Build

Module Information

3 Digits

098

Year Module Built

Module Information

4 Digits

2000

8 Digit GM Part Number

Module Information

7 digits

9380789

Component Serial # 8-11

Module Information

4 Digits

1909

Component Serial #12

Module Information

1 Digit

9

Component Serial # 13-16

Module Information

4 Digits

0003

Component Serial # 17-18

Module Information

2 Digits

01

Second

GPS Information

2 Digits

21

Hour

GPS Information

2 Digits

22

Day

GPS Information

2 Digits

25

Month

GPS Information

2 Digits

07

Year

GPS Information

2 Digit

25

Minute

GPS Information

2 Digit

04

Latitude

GPS Information

2 Digit

09

Longitude

GPS Information

2 Digit

EE

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

Phone Active

Inputs

Active/Inactive

Inactive

Mute

Oututs

On/Off

On