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P0603 Diagnostic Trouble Code Discussion for February 2009

Control Module Long Term Memory Reset

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Trouble Ticket Help Requests for DTC P0603
Help Request Posted
2003 Ford F-350 Super Duty XLT 6.0L Surge, Cuts out, No Power VIN: 1FTSX31P73
P0603: PCM Keep Alive Memory Test Error. 6.0 Ford. No Power always. On hard accelleration and all the time on decel, seems like something is cutting out (turbo or injectors). Have a sound from the intake like the turbo is dumping. A thumping through the intake. Have check fuel pressure after the filt...
February 11, 2009