GM Service Manual Online
For 1990-2009 cars only

Refer to the Power Seats System Description and Operation in order to familiarize yourself with the system functions

Visual/Physical Inspection

    • Inspect for aftermarket devices which could affect the operation of the power seats. Refer to Checking Aftermarket Accessories in Wiring Systems.
    • Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.
    • Inspect the seat adjuster track for conditions which may cause binding or objects within the seat adjustment range which obstruct movement or interfere with wiring.

Intermittent

Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.

Symptom List

Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:

    •  Power Seat Inoperative
    •  Power Seat Inoperative - One
    •  Power Seat Does Not Move Up/Down
    •  Power Seat Does Not Move Forward/Rearward
    •  Power Seat Does Not Recline