Question about Buick Park Avenue
There could be few possibilities for the same.On these models, seat control module are fairly common to fail.This module should be bolted under the seat,it receives a signal from the switch to move the seat in the desired direction.What usually happens is the module freezes up and wont move the seat at all.In some cases simple reprogramming of this seat module will correct this problem if programming is available for it.In other cases the module has to be replaced to correct this problem.
If it has to be either reprogrammed or replaced it has to be done by a dealer because in either case the new or existing unit requires the dealers computer and scan tool to do this procedure.
Here is a tip and temporary fix that may work on your vehicle,I don't have a fuse chart on this vehicle but if you can locate any fuses in the under hood fuse box or the interior fuse box locate any fuses that say seat or similar and remove them for about 5 minutes,even any circuit breakers that say this,then reinstall them and see if the seat operates.
Sometimes this will reboot the seat module and the seat may work normally for a month or two until it fails again and sometimes wont fail at all again.
Other than this, it could be a problem with motor assembly. If that is the case, rather than contacting dealer for the part, try to get it from the junkyard. You would save 80 - 90% of the cost of the new one.
Let me know,if needed further assistance.
Hope i helped you.
Thanks for using ' Fixya ' and have a nice day!!
Posted on Sep 19, 2010
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Posted on Jan 02, 2017
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