GM Service Manual Online
For 1990-2009 cars only

Important: Review the system description in order to familiarize yourself with the system functions. Refer to Heated Seats Description and Operation.

Visual/Physical Inspection

    • Inspect for aftermarket devices which could affect the operation of the heated seat system. Refer to Checking Aftermarket Accessories.
    • Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.

Intermittent

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

Symptom List

Refer to Front Heated Seat Malfunction in order to diagnose the symptom.