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P0603 Diagnostic Trouble Code Discussion for January 2008

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 XL 6.0L Poor Idle Quality, Stall, MIL Lamp on VIN: 1FDWF37P73
P0603: PCM Keep Alive Memory Test Error. Vehicle came in with cold start problem. It will hard start and stall, long cranking.If you crank over the engine and give it some pedal you can catch it and get it to start and after 30 seconds to a minute it will idle.it idles a little lumpy.once warmed up i...
January 22, 2008