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P0603 Diagnostic Trouble Code Discussion for June 2016

Control Module Long Term Memory Reset


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Trouble Ticket Help Requests for DTC P0603
Help Request Posted
2003 Ford F-250 Super Duty XLT 6.0L sluggish cold VIN: 1FTNX21P63
P0603: PCM Keep Alive Memory Test Error. this truck would not run because of a bad fuel pump and the coolant was contaminated with engine oil. after the repairs the engine is very sluggish cold has no power until it reaches a decent temperature.custommer says it was doing that before it died on him. ...
June 08, 2016