GM Service Manual Online
For 1990-2009 cars only

Powertrain Control Module (PCM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON, engine OFF

VTD Auto. Learn Timer

Engine Data 1

Active/Inactive

Inactive

VTD Fuel Disable

Engine Data 1

Active/Inactive

Inactive

VTD Fuel Disable Until Ign. Off

Engine Data 1

Yes/No

No

VTD/VCM in VTD Fail Enable

Engine Data 1

Yes/No

No

Vehicle Theft Deterrent

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition On, engine OFF

8-Digit GM Part Number

Module Information

Numeric

Varies

Auto Learn Timer

Data

Seconds

Varies

Manufacturers Enable Counter

Data

0 - 255

0

No. of Learned Key Codes

Data

1-10

2

PROM ID

Module Information

Numeric

Varies

Security Lamp Status

Inputs

On/Off

Off

Seed and Key Timer

Data

Seconds

Varies

Ignition Counter

Data

Counts

Varies