GM Service Manual Online
For 1990-2009 cars only
Auto Learn Timer: The scan tool displays the seconds used by the BCM to learn valid code from the Passlock™ sensor. The learn procedure consists of 3 consecutive periods.

Battery Voltage: The scan tool displays the battery system voltage.

Content Theft Lamp: The scan tool displays the state of the SECURITY lamp. The scan tool displays ON when activated by an unauthorized entry.

Content Theft State: The scan tool displays the state of the content theft feature. The scan tool displays ON when activated by an unauthorized entry.

Door Unlock Switch: The scan tool displays the state of the door key switch. The scan tool displays ACTIVE when the switch is activated in either door key cylinder.

Drivers Door Ajar Switch: The scan tool displays the position of the drivers door. The scan tool displays ACTIVE when the drivers door is open.

GM Part Number: The scan tool displays the part number assigned to the BCM that is currently in the vehicle.

Passenger Door Ajar Switch: The scan tool displays the position of the passenger door. The scan tool displays ACTIVE when the passenger door is open.

Security Lamp: The scan tool displays the state of the SECURITY lamp. The scan tool displays ON, OFF or FLASHING.