GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Power Seat Systems Diagnostic System Check?

--

Go to Step 2

Go to Diagnostic System Check - Power Seat Systems

2

Verify that the memory seat is inoperative.

Does the memory seat operate normally?

--

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

Go to Step 3

3

Test the seat adjuster memory module feed circuit for voltage. Refer to Circuit Testing in wiring systems.

Does the voltage measure near the specified value?

B+

Go to Step 4

Go to Step 7

4

  1. Remove the RAP fuse from the underhood fuse block in order to remove power from the seat adjuster memory module.
  2. Test the seat adjuster memory module ground circuit for a high resistance or an open. Refer to Circuit Testing and Wiring Repairs in wiring systems.
  3. Reinstall the RAP fuse in the underhood fuse block.

Did you find and correct the condition?

--

Go to Step 8

Go to Step 5

5

Test the seat adjuster switch ground circuit for a high resistance or an open. Refer to Circuit Testing and Wiring Repairs in wiring systems.

Did you find and correct the condition?

--

Go to Step 8

Go to Step 6

6

Replace the seat adjuster memory module. Refer to Memory Seat Control Module Replacement .

Did you complete the replacement?

--

Go to Step 8

--

7

Test the seat adjuster memory module feed circuit for a high resistance or an open. Refer to Circuit Testing and Wiring Repairs in wiring systems.

Did you find and correct the condition?

--

Go to Step 8

--

8

Operate the system in order to verify the repair.

Did you correct the condition?

--

System OK

Go to Step 3