GM Service Manual Online
For 1990-2009 cars only
All Door Unlock Relay: The scan tool displays On/Off. The door unlock relay output from the body control module (BCM), where the relay actuating to the unlock position is displayed as On.

Battery Voltage Signal: The scan tool displays 9.0-15.0 volts. The state of the battery voltage supplied to the BCM.

Calibration ID: The scan tool displays the calibration ID number of the BCM.

Door Lock Relay: The scan tool displays On/Off. The door lock relay output from the BCM, where the relay actuating to the lock position is displayed as On.

Door Lock Relay Fdbk.: The scan tool displays Active/Inactive. The door lock relay feedback input to the BCM, where the relay being actuated is displayed as Active.

Driver Door Ajar Sw.: The scan tool displays Door Closed/Door Ajar. The driver door ajar switch input to the BCM, where a closed switch is displayed as Door Ajar.

End Model Part Number: The scan tool displays the end model part number of the BCM.

Julian Date of Build: The scan tool displays the date the BCM was built.

Passenger Door Ajar Sw.: The scan tool displays Door Closed/Door Ajar. The passenger door ajar switch input to the BCM, where a closed switch is displayed as Door Ajar.

Software Part Number: The scan tool displays the BCMs software revision part number.

Year Module Build: The scan tool displays the year the BCM was built.