Join Now
International Automotive Technicians Network

P0603 Diagnostic Trouble Code Discussion for September 2011

Control Module Long Term Memory Reset


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0603
Help Request Posted
2000 Ford E-350 Econoline 7.3L Poor Idle Quality, Misfire, Lacks power VIN: 1FTSS34FXY
P0603: PCM Keep Alive Memory Test Error. This is a steady misfire all the time. seems to only be running on 6 cylinders. Can't hear the turbo spool up. Worker that normally drives it said on the interstate losses power and speed till finally isn't drivable. To my knowledge it never stalled. It starts...
September 21, 2011
2000 Ford E-350 Econoline 7.3L Poor Idle Quality, Misfire, Lacks power VIN: 1FTSS34FXY
P0603: PCM Keep Alive Memory Test Error. This is a steady misfire all the time. seems to only be running on 6 cylinders. Can't hear the turbo spool up. Worker that normally drives it said on the interstate losses power and speed till finally isn't drivable. To my knowledge it never stalled. It starts...
September 21, 2011