GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Heated Seats Schematics

1

Did you review the system operation and perform the necessary inspections?

Go to Step 2

Go to Symptoms - Seats

2

  1. Turn the ignition on.
  2. Turn the front heated seat switches to the OFF position.

Do the front heated seats remain off?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3

Disconnect the heated seat switch.

Do the heated seats remain on?

Go to Step 5

Go to Step 4

4

Replace the heated seat switch. Refer to Front Seat Heater Switch Replacement

Did you complete the replacement?

Go to Step 6

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5

Replace the seat cushion heater. Refer to Driver Seat and Passenger Seat Cushion Heater Replacement .

Did you complete the replacement?

Go to Step 6

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6

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3