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P0603 Diagnostic Trouble Code Discussion for October 2008

Control Module Long Term Memory Reset

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Trouble Ticket Help Requests for DTC P0603
Help Request Posted
2000 Ford F-250 Super Duty Lariat 7.3L Misfire VIN: 1FTNW20F2Y
P0603: PCM Keep Alive Memory Test Error. Howdy again, I am very familiar with the 97 power strokes but this 2000 is confusing me, on the first scan it had no pcm codes but did have a few gem codes b1352, b1318 (key in ign sw), c1446. It did have a moderate shake at idle, so I ran the buzz test, it co...
October 20, 2008