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P0603 Diagnostic Trouble Code Discussion for September 2007

Control Module Long Term Memory Reset


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Trouble Ticket Help Requests for DTC P0603
Help Request Posted
1999 Ford F-450 Super Duty Lariat 7.3L No power VIN: 1FDXF47F9X
P0603: PCM Keep Alive Memory Test Error. ... some ideas on this one, This truck has no power, it starts fine and idles fine it will free rev up to 1700 RPM fine then starts to stumble and won't free rev well after that. It runs the same when driving it also. My first thoughts were somthings plugged o...
September 26, 2007
1999 Ford F-450 Super Duty Lariat 7.3L No power VIN: 1FDXF47F9X
P0603: PCM Keep Alive Memory Test Error. ... some ideas on this one, This truck has no power, it starts fine and idles fine it will free rev up to 1700 RPM fine then starts to stumble and won't free rev well after that. It runs the same when driving it also. My first thoughts were somthings plugged o...
September 26, 2007