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P0603 Diagnostic Trouble Code Discussion for February 2006

Control Module Long Term Memory Reset

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Trouble Ticket Help Requests for DTC P0603
Help Request Posted
2002 Ford F-350 Super Duty Lariat 7.3L No Start, Stall VIN: 1FTSW31F22
P0603: PCM Keep Alive Memory Test Error. computer diagnostic check, no dtc's. engine starts, will run for approx. 1-2min. and die, then loses communication with scanner (with key in the on position). cycle key off and on, com. with scanner comes back and during attempt to restart engine will start so...
February 16, 2006