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P0633 Diagnostic Trouble Code Discussion for January 2007

SKIM Key Not Programmed In PCM

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Trouble Ticket Help Requests for DTC P0633
Help Request Posted
2003 Dodge Ram 2500 5.9L Poor Idle Quality, Surge, full fuels in gear VIN: 3D3KU28C83
P0633: skim key not programmed. Please help cummins techs. this vehicle idles fine in park or neutral but when you put it in gear the ecm commands full fuel pressure and full boost pressure, it starts making power and blowing black smoke. all other scan data looks to be in the normal range. ...
January 09, 2007