GM Service Manual Online
For 1990-2009 cars only

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

  1. Close all vehicle doors.
  2. Press the LF door lock switch to the LOCK position.
  3. Press the LF door lock switch to the UNLOCK position.
  1. All door lock actuators activate and lock all of the doors.
  2. All door lock actuators activate and unlock all of the doors.

2

  1. Press the RF door lock switch to the LOCK position.
  2. Press the RF door lock switch to the UNLOCK position.
  1. All door lock actuators activate and lock all of the doors.
  2. All door lock actuators activate and unlock all of the doors.

3

  1. Place the key in the ignition switch cylinder. Do not move the ignition switch from the OFF position.
  2. Open any one of the doors.
  3. Press the power lock switch.
    • All of the doors will lock.
    • The driver's door will unlock.

Power Door Locks Lockout Mode Inoperative

* Refer to the appropriate symptom diagnostic table for the applicable abnormal result.