Hi guys ! I just searched on the Net somewhere I could find how to read the trouble codes for my 94 Deville and found that:
http://209.145.176.7/~090/awh/dtcobd1.html
I don't know if it could help anyone but anyway here it is.
I think it's a complete list of Trouble codes that exists.
If i'm wrong, feel free to tell me !
Peace !!