2004 Volvo S80 seat memory problems no longer working just stopped buttons do nothing

I've never owned a car that that was designed to remember seat positions, so I can only guess, and not speak from experience.

It sounds as if the 'memory' has forgotten your settings. I don't know whether or not it uses volatile memory. Has the battery ever been disconnected?

The motors which move the seat still seem to be working, but may not be powered from the same place as the memory. Have you checked the handbook to see whether there is a fuse *just* for the memory and - if so - have you checked that fuse?

If it *has* lost it's memory for whatever reason, you may be able simply to re-program it. Have you tried to *store* your chosen positions again in the memory?

Hi Roger,

Thanks for the reply! I have tried to store the seat locations again...but no luck. When I go through the process of storing the seat location (the same as me and my wife went through 1 month ago) the buttons still have the same failure mode:

Press MEM 1 button - driver side mirror twitches for a couple seconds, no seat movement, then nothing. No error reports, nothing Press MEM 2 or 3 button - Absolutely nothing happens.

The only thing that I did between these things working and not working is remove the center console to clean the plastic parts etc. then reassemble. I don't think anything got tweaked...but I did remove the gear shift which does have electronic components. Could this have fried something?

Jon

Don't know - but it sounds like you may have accidentally disconnected something when you removed the console and gear shift. It might be an idea to remove it again, to check that there are no unattached wires, and that all connectors are fully seated. Where are the memory buttons - are *they* on the console? If so, the wiring to them has to be a prime suspect.

for some reason i think that seat memory runs through the ecu, which doesn't just control the engine. like any other 'puter when you tickle it over here it hiccups over there. use the OBDII port to run a diagnostic, but let me tell you running this type of error down is famously annoying. oh, doing a cold boot & re- entering your perferences seems like a good idea.

The problem is resolved. Looks like user error. I thought I had entered the memory location properly but, I went back and tried again

- now I can store locations and recall the seat position fine, the only thing not setting is the driver side mirror. Sorry for the boondoggle guys - but thanks for the help!

Jon

TRY CLEANING TERMINALS EVERY THING YOU CAN SEE INCLUDING FUSES

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