GM Service Manual Online
For 1990-2009 cars only

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

Move the left seat rear vertical switch in the UP and DOWN positions.

The rear of the left seat moves up and down.

Power Seat Does Not Tilt Rearward

2

Move the left seat front vertical switch in the UP and DOWN positions.

The front of the left seat moves up and down.

Power Seat Does Not Tilt Forward

3

Move the left seat entire seat switch in the FORWARD and BACK positions.

The entire left seat moves forward and back.

Power Seat Does Not Move Forward/Rearward

4

Move the left seat recline switch in the FORWARD and BACK positions.

The left seat back moves forward and back.

Power Seat Does Not Recline

5

Move the left seat headrest switch in the UP and DOWN positions.

The left headrest moves up and down.

    •  Power Seat Inoperative

6

Move the right seat rear vertical switch in the UP and DOWN positions.

The rear of the right seat moves up and down.

Power Seat Does Not Tilt Rearward

7

Move the right seat front vertical switch in the UP and DOWN positions.

The front of the right seat moves up and down.

Power Seat Does Not Tilt Forward

8

Move the right seat entire seat switch in the FORWARD and BACK positions.

The entire right seat moves forward and back.

Power Seat Does Not Move Forward/Rearward

9

Move the right seat recline switch in the FORWARD and BACK positions.

The right seat back moves forward and back.

Power Seat Does Not Recline

10

Move the right seat headrest switch in the UP and DOWN positions.

The right headrest moves up and down.

    •  Power Seat Inoperative

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