Originally Posted by
pizzaguy
If your seats move at all, the seat relay is fine.
If the relay fails, NONE of the seat movement buttons will work.
If ANY work but some don't, you have either a motor issue or a switch issue.
The seats may move only with a door open or only with a door closed in which case a diode has failed.
The diode can be replaced but it is easier to replace the plug and play relay.