GM Service Manual Online
For 1990-2009 cars only

The following table lists the security data directly connected to the body control module (BCM) related to the Passlock™ System only:

Security Data Scan Tool Data List

Parameter

Unit

Battery 1

Volts

Ignition 1 Input

High/Low

Accessory

High/Low

Passlock™ Input

Volts

Passlock™ Power Feedback

High/Low

Security LED

On/Off/Flash

Passlock™ Timer

Seconds

Auto-Learn Timer

Seconds