GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Disconnect the affected heated seat switch.

Does the seat stop heating?

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Go to Step 2

Go to Step 3

2

Replace the appropriate heated seat switch.

Is the repair complete?

--

Go to Heated Seats System Check .

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3

Locate and repair short to voltage on CKT 1462 (LT BLU) right seat, or CKT 1505 (LT BLU/BLK) left seat. If OK, replace the electronic switching relay and wiring on the affected seat.

Is the repair complete?

--

Go to Heated Seats System Check .

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