GM Service Manual Online
For 1990-2009 cars only

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

Set the driver passenger seat adjuster switch in any direction.

The seat will move in the direction that the seat adjuster switch is set.

Power Seat Inoperative

2

Set the driver/passenger seat adjuster switch to the FORWARD and then BACK position.

The seat will move forward and backward.

Power Seat Does Not Move Forward/Rearward

3

Set the front of the driver/passenger seat adjuster switch to the UP and then DOWN position.

The front of the seat will move forward and backward.

Power Seat Does Not Tilt Forward

4

Set the rear of the driver/passenger seat adjuster switch to the UP and then DOWN position.

The rear of the seat will tilt UP and DOWN.

Power Seat Does Not Tilt Rearward

5

Set the middle of the driver/passenger seat adjuster switch to the UP and DOWN position.

The seat will raise and lower.

Power Seat Adjuster Does Not Move Vertically

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