keep getting code PO578, cruise control muti function input A circuit stuck - Ford Powerstroke Diesel Forum
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Old 02-12-2012, 04:18 PM Rookie

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keep getting code PO578, cruise control muti function input A circuit stuck

why do i keep getting this code? My cruise control will work fine, then i stop and get back on the highway and it quits working until i shut it down and clear the code. going on a 2200 mile round trip in a week and would really like my cruise to work!
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