GM Service Manual Online
For 1990-2009 cars only

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON/Engine OFF

Trunk Release Switch

Data

Active / Inactive

Inactive

Passenger Door Status

Data

Open / Closed

varies

Passenger Door Unlock Input

Data

Active / Inactive

Varies

Passenger Door Unlock Relay

Data

On / Off

Off

Driver Door Status

Data

Open / Closed

varies

Driver Door Unlock

Data

Active / Inactive

Varies

Driver Door Unlock Relay

Data

On / Off

Off

Key FOB Response

Data

Key Number

Varies

Last Key Pressed on FOB

Data

Lock / Unlock / Trunk

Varies

Key Read Status

Data

Valid / Invalid

Valid