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P0603 Diagnostic Trouble Code Discussion for November 2010

Control Module Long Term Memory Reset

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Trouble Ticket Help Requests for DTC P0603
Help Request Posted
2002 Ford F-250 Super Duty XL 7.3L Stay's running VIN: 1FTNW21F52
P0603: PCM Keep Alive Memory Test Error. Having trouble with this f250 will not turn off even when the key is turned off, the truck still runs. Thought it may be the fuse panel I did a bump test and it would turn off like it was supposed to do. Replaced fuse panel from ford but it still runs. When yo...
November 03, 2010