GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

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

1

Did you perform the Power Seats Diagnostic System Check?

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Go to Step 2

Go to Diagnostic System Check - Power Seat Systems

2

Install a scan tool and display the memory seat module data list.

Are any of the seat adjuster or memory switches always active?

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Go to Step 3

Go to Step 4

3

Disconnect the seat adjuster switch connector at the memory seat module.

Are any of the seat adjuster or memory switches always active?

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Go to Step 7

Go to Step 5

4

  1. Disconnect the seat adjuster switch connector at the memory seat module.
  2. Using a DMM test continuity of all the seat adjuster and memory switches when pressed. Refer to Testing for Continuity in Wiring Systems.

Do all of the seat aduster switches have continuity when pressed?

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Go to Step 7

Go to Step 5

5

Inspect and repair any damage to the seat adjuster switch circuits or connector terminals. Refer to Wiring Repairs and Connector Repairs In Wiring Systems.

Did you find and correct the condition?

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Go to Step 8

Go to Step 6

6

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

Is the repair complete?

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Go to Step 8

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7

Replace and program the memory seat module. Refer to Memory Seat Control Module Replacement and Memory Seat Control Module Programming .

Is the repair complete?

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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 2