GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Heated/Cooled Seat Schematics

Connector End View Reference: Heated/Cooled Seat Connector End Views

1

Did you review the Heated Seats Description and Operation and perform the necessary inspections?

Go to Step 2

Go to Symptoms - Seat Heating and Cooling

2

Operate the rear heated seat system.

Does the system operate normally?

Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 3

3

Disconnect the heated seat control module connector.

Does the heated seat element still operate?

Go to Step 4

Go to Step 5

4

Repair the seat heater element supply circuit for a short to voltage. Refer to Circuit Testing and Wiring Repairs .

Did you find and correct the condition?

Go to Step 6

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5

Replace the heated seat control module.

Is the repair complete?

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 2