Posted by raymond ferreday on November 9, 2008, 10:43 am
hi I have had 2 fords this week one a fiesta, focus, one a 03 and the other a 05, the alternator is charging but the dash light is on and I have codes p1632 smart alternator fault on sensor circuit p0620 generator control circuit one came from another garage who tried another alternator. 2 things, 1 does anyone know the promblem,I suspect the ecu, and how does this system work or where I can find out. ray