GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 2000 🢒 Intrigue 🢒 Body and Accessories 🢒 Doors 🢒 Power Door Locks Operation

Body Control Module

The Body Control Module (BCM) controls the automatic door locks. Refer to Body Control System Operation in Body Control System for more information.

Automatic Door Lock Features

The BCM has these automatic door lock features:

    • All door unlock: The BCM unlocks all doors when pressing unlock on either door lock switch.
    • All door lock: The BCM locks all doors when pressing lock on either door lock switch.
    • Last door closed locking: When pressing lock on either door lock switch with the ignition switch off, the BCM locks all doors five seconds after closing all vehicle doors.
    • Lockout prevention: When pressing lock on either door lock switch with the key in the ignition cylinder and the driver's door open, the BCM does not lock the doors.
    • Lockout prevention override: When pressing and holding lock on either door lock for at least three seconds, the BCM overrides the lockout prevention thus locking all doors.
    • Shift into PARK unlock: When shifting the transaxle into PARK, the BCM unlocks all vehicle doors.
    • Shift out of PARK lock: When shifting the transaxle out of PARK with the driver's door closed, the BCM locks all vehicle doors.
    • Remote driver door unlock: The BCM unlocks the driver's door when pressing unlock on the keyless entry transmitter.
    • Remote all door unlock: The BCM unlocks all vehicle doors when pressing unlock on the keyless entry transmitter again within five seconds of pressing unlock.
    • Remote all door lock: The BCM locks all vehicle doors when pressing lock on the keyless entry transmitter.

Feature Customization

The following table contains the automatic door lock/unlock modes:

Mode

Description

Mode 1

No automatic door lock/unlock (feature disabled).

Mode 2
    • All doors lock when shifting the transaxle out of PARK
    • No automatic door unlock.

Mode 3
    • All doors lock when shifting the transaxle out of PARK.
    • All doors unlock when shifting the transaxle into PARK.

Mode 4
    • All doors lock when shifting the transaxle out of PARK.
    • Driver's door unlock when shifting the transaxle into PARK.

Changing the Automatic Door Lock/Unlock Mode

Two ways to change the automatic door lock/unlock mode:

    • Scan tool method. Refer to the scan tool's users manual for more information.
    • Door lock switch method.

Perform the following procedure to change the automatic door lock/unlock mode using the door lock switch method:

  1. Close all vehicle doors.
  2. Turn the ignition switch on.
  3. Step firmly and hold brake pedal.
  4. Press and hold lock on either door lock switch. Note: All door lock.
  5. While holding lock on the door lock switch, shift the transaxle out PARK. The automatic door lock/unlock mode remains in mode 3, and all doors lock.
  6. While still holding lock on the door lock switch, shift the transaxle into PARK. The automatic door lock/unlock mode remains in mode 3, and all doors unlock.
  7. While still holding lock on the door lock switch, shift the transaxle out PARK. The automatic door lock/unlock mode changes to mode 4, and all doors lock.
  8. While still holding lock on the door lock switch, shift the transaxle into PARK. The automatic door lock/unlock mode remains in mode 4, and only the driver door unlocks.
  9. While still holding lock on the door lock switch, shift the transaxle out PARK. The automatic door lock/unlock mode changes to mode 1, and all doors do not lock.
  10. While still holding lock on the door lock switch, shift the transaxle into PARK. The automatic door lock/unlock mode remains in mode 1, and doors do not unlock.
  11. To advance the mode, shift the transaxle out PARK then back into PARK again while holding the door lock switch in the lock position.
  12. A transition past mode 4 repeats the sequence starting with mode 1.
  13. To exit and save the current customization mode:

    14. Release the door lock switch when obtaining desired mode.

  14. Mode 3 is set when the vehicle was manufactured. Disconnecting the vehicle battery for up to a year will not change the mode.

Last Door Closed Locking Modes

Mode

Description

Mode 1

The last door closed locking feature is disabled.

Mode 2

The last door closed locking feature is enabled.

Changing the Last Door Closed Locking Mode

Two ways to change the delayed locking mode:

    • Scan tool method. Refer to scan tool user's manual for more information.
    • Door lock switch method.

Perform this procedure to change the last door closed locking mode using the door lock switch method:

  1. Close all vehicle doors.
  2. Turn the ignition switch on.
  3. Step firmly and hold brake pedal.
  4. Press and hold unlock on either door lock switch.
  5. While holding unlock on the door lock switch, shift the transaxle out PARK then back into PARK.
  6. To change the last door closed locking mode shift the transaxle out PARK then back into PARK again.
    7. • The BCM sounds the chime once when the last door closed locking mode is disabled and twice when enabled.
    • To exit and save the current customization mode: Release the door lock switch when obtaining desired mode.
    • The last door closed locking mode is enabled when the vehicle was manufactured. Disconnecting the vehicle battery for up to a year will not change the mode.

Courtesy Lights -- Delayed Illumination

The delayed illumination feature is canceled when pressing lock on a door lock switch or a keyless entry transmitter.