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P0603 Diagnostic Trouble Code Discussion for May 2007

Control Module Long Term Memory Reset

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Trouble Ticket Help Requests for DTC P0603
Help Request Posted
2003 Ford E-450 Super Duty Custom 7.3L No Start VIN: 1FDWE45F43
P0603: PCM Keep Alive Memory Test Error. Hey guys I this bus that will not start after getting warmed up. Another tech replace the HPP, IPR, EOT sensor(broke the old one when doing the HPP), IPC sensor, an ECM and change the oil and filter. starts up and runs fine when cold. When trying to restart th...
May 23, 2007