GM Service Manual Online
For 1990-2009 cars only

Both of the Seat Adjusters will not Operate Horizontally and/or Vertically

Problem

Action

One of the following solenoid components is damaged or inoperative:

    • The plunger
    • The shaft
    • The dog
    • The dog spring
    • The gear
    • The drive gear

Replace the damaged or inoperative solenoid components.