GM Service Manual Online
For 1990-2009 cars only

Diagnostic Starting Point - Seats All Others

Begin the system Diagnosis with Diagnostic System Check - Power Seat Systems.

The Diagnostic System Check will provide the following information.

    • Identification of the control module(s) that command the system
    • The ability of the control module(s) to communicate with a serial data circuit
    • Identification of stored Diagnostic Trouble Codes (DTCs) and their status