GM Service Manual Online
For 1990-2009 cars only

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

  1. Turn the ignition switch to the ON position.
  2. Depress the manual selector lever button and attempt to move the Automatic Transaxle Control Lever from the P position.

Automatic Transaxle Control Lever cannot be moved from the P position.

Automatic Transmission Shift Lock Control Always On with Ignition in Run

2

  1. Engage the parking brake.
  2. While depressing the brake pedal, press the manual selector lever button and attempt to move the Automatic Transaxle Control Lever from the P position.

Automatic Transaxle Control Lever can be moved from the P position.

Automatic Transaxle Control Lever cannot be moved. Refer to

Automatic Transmission Shift Lock Control Inoperative

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