I have the same problem as Swils describes in his post, but I have been able to retrieve the following codes:
1-3-3
1-3-4
1-3-5
1-4-3
1-4-5
1-5-1
1-5-2
3-2-1
4-1-1
4-1-2
4-1-3
4-1-4
4-1-7
With all of these failures occurring at the same time it's tempting to just locate a used ECU/Control Panel for replacement. But, I don't want to ignore any possible root cause of these failures. Any advise would be most welcome.

1995 855 Turbo w/190,000 miles.

 

If I were you I would start a new thread outlining your problems, reset all of your codes and see what returns in 2 days.