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P0603 Diagnostic Trouble Code Discussion for February 2005

Control Module Long Term Memory Reset

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Trouble Ticket Help Requests for DTC P0603
Help Request Posted
1999 Ford F-250 Super Duty Lariat 7.3L Cuts out, Stall, MIL Lamp on VIN: 1FTNX20F6X
P0603: PCM Keep Alive Memory Test Error. this vehichle was blowing 30 amp fuse that powered glow plug relay and ses lite. would blow randomly now its not blowing ,the truck will start and barely run knocks and bangs and ses lite is on while running ,but is not on with k.o.e.o. i have checked all rela...
February 02, 2005