If it were to be transmission fluid spraying wouldn't there be signs of fluid on the pavent? ...
No, spraying internally, inside the servo bore cover, where it just drains back into the pan. Note that the P0775 should be an electrical fault, and should be a separate issue from any servo bore problems.
... Kinda surprised this vehicle could have so many issues within the first 5 months of ownership... I bought it with the intent of being able to fix the tranny as it was the only problem with this L, did you have these type of expenses With your Ls? It's such a great car and don't want to give up on her just yet.. there anything else I should keep an eye on?
This may very well be why the previous owner sold it. When I get rid of either of mine, it will be because I feel that several expensive faults are developing. I believe that both of mine have and are doing quite well. I have a 2004 (about 170K) and a 2006 (about 130K), both since new. Off the top of my head... Three AC compressors, two DCCVs, 16 coils and plugs at least, one solenoid assembly, two front hubs, need to replace one motor mount, should replace one damper, most of the cooling system parts on both, four rear toe links, four rear sway bar end links, one ash tray, one seat bottom cover (need three more), one heated/cooled seat fan repair, oil changes and filters, two head-units, repairs from being T-boned, fixed message center buttons x2, replaced overhead console on one, fixed parking brake and AdvanceTrac buttons x3, brake pads and rotors x5 (or so), tires x?, one remote, subs x4, a few bulbs in the rear, but none in the front so far, one mirror motor not working, ...