Memory seat function not working

2009 BUICK LUCERNE

5,680 MILES • 4 CYL • FWD • AUTOMATIC

DONNIEWORLEY

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my memory seats are not working, the power seats work and the heated seats work but the memory buttons will not do anything.

Oct 23, 2009 at 11:42 AM

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KASEKENNY

AUTOMOTIVE REPAIR CONTRIBUTOR
18,907 POSTS

More than likely this is a module or switch issue. So the way to figure this out is to monitor the voltage when pressing the button.

Here is a guide that will help with this:

https://www.2carpros.com/articles/how-to-check-wiring

I am attaching the info on the system and the testing that we need to do in order to figure this out.

Please run through this material below and let us know what questions you have.

Thanks

Images (Click to enlarge)

Aug 4, 2021 at 5:23 PM