Ah, yes so if the codes weren't cleared the fitter only did half the job lol....

What I would do then is clear all the codes and drive it again, seeing what codes re appear.

Just considering the transmission related codes first then, I would change the tranny range switch, known to give problems, the other 2 may well go away then

If it's in Fords, I'd say your gonna get well charged for what could be a simple fix. Make sure they are aware you have old codes, and that they clear them and get the fault to re appear b4 acting on any codes present, otherwise they could well start by changing the alternator again

There is a lesson here... Most garages these days don't do proper diagnosis, they just change items related to fault codes,
I recently bought a mint Ford Explorer North Face, had been to 3 dealers, then a transmission shop, had loads of codes....
First it had 2 new Lambdas, then Plugs and Leads, then a rebuilt Auto Box, then an Exhaust System, still wouldn't run right.
Went to an Engine "specialist" who diagnosed dud ECU....This is the point where the guy gave the last garage the log book and said "keep it", whereupon I bought it for £500. It still had all the same fault codes re appearing, so I went through it systematically without spending a penny (took about 2 hrs), and found a blown fuse labelled "exhaust fuse", does the Lambdas but also provides reference voltages to the ECU. Changed the fuse (10p) and the car has been right as ninepence for several thousand miles now...So all it needed in the beginning was 2 new Lambdas and a fuse LOL.

HTH Dave