GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Memory Seats Schematics

DEFINITION: One or more of the memory seat functions are inoperative and no DTCs are set.

1

Did you perform the Power Seat Systems Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Power Seat Systems

2

Attempt to operate all of the memory seat adjustments through their full range.

Do all of the memory seat functions operate properly?

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

Go to Step 3

3

  1. Disconnect the seat adjuster switch.
  2. Connect a fused jumper wire from the adjuster switch 12-volt reference circuit to the inoperative switch signal circuit.

Does the inoperative adjuster motor operate?

Go to Step 5

Go to Step 4

4

Test and repair the adjuster switch 12-volt reference circuit and the inoperative switch signal circuit for an open or high resistance. Refer to Circuit Testing and Wiring Repairs or Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 7

Go to Step 6

5

Replace the seat adjuster switch. Refer to Power Seat Switch Replacement .

Is the repair complete?

Go to Step 7

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6

Replace the memory seat module.

Is the repair complete?

Go to Step 7

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7

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3