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P0603 Diagnostic Trouble Code Discussion for March 2007

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 Lariat 7.3L no power VIN: 1FTNW21F42
P0603: PCM Keep Alive Memory Test Error. ... experience but this one has got to be something simple(I think?). Had codes p0603 and p1248. Cleared code and road tested truck two different times. Only code p1248 came back. MAP sensor tests good as per alldata. I have unhooked the waste gate and closed ...
March 08, 2007
2003 Ford F-250 Super Duty XLT 6.0L No Start VIN: 1FTNW21P73
P0603: PCM Keep Alive Memory Test Error. help , this diesel , wish i had never seen . won't start came in need starter . was bad burn up . replace starter . turn over but no start. replace irp . no start irp 85% icp-210 . blocked off l/head ,1st turn over 618 psi ,ipr 85% .2nd cranking 888psi,irp 85%...
March 27, 2007