GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

Schematic Reference: Heated Seats Schematics

1

Did you review the Heated Seats Description and Operation ?

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Go to Step 2

Go to Symptoms - Seats

2

Verify the fault is present.

Does the system operate normally?

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

Go to Step 3

3

Disconnect the affected heated seat switch.

Does the seat stop heating?

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Go to Step 7

Go to Step 5

5

Test for an short to battery positive voltage on the heated seat switch signal circuit.

Did you find and correct the condition?

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Go to Step 8

Go to Step 6

6

Replace the Heated Seat Element.

Did you complete the replacement?

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Go to Step 8

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7

Replace the appropriate heated seat switch.

Did you complete the replacement?

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Go to Step 8

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8

Operate the system in order to verify the repair.

Did you correct the condition?

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System OK

Go to Step 3