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P0603 Diagnostic Trouble Code Discussion for March 2008

Control Module Long Term Memory Reset


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Trouble Ticket Help Requests for DTC P0603
Help Request Posted
1999 Ford F-250 Super Duty Lariat 7.3L Hesitation, Surge, Cuts out, Stall VIN: 1FTNX21F2X
P0603: PCM Keep Alive Memory Test Error. ... presure code p0470 and kam code P0603 in memory. Cleared codes and p0603 didn't reset checked all batt cable conections all are fine. have put alot of miles on this thing without problem hoping some one has idea.
March 03, 2008
1999 Ford F-250 Super Duty Lariat 7.3L Hesitation, Surge, Cuts out, Stall VIN: 1FTNX21F2X
P0603: PCM Keep Alive Memory Test Error. ... presure code p0470 and kam code P0603 in memory. Cleared codes and p0603 didn't reset checked all batt cable conections all are fine. have put alot of miles on this thing without problem hoping some one has idea.
March 04, 2008
2005 Ford Freestar SES 3.9L Poor Idle Quality, Hesitation, Cuts out, MIL Lamp on VIN: 2FMZA57655
P0603: Internal control mod Kam error. Replaced ECM because of water flooding out ECM (had codes P0715,P0717,P0340,P1270 at that time). Now the engine coolant temp sensor reads 102400 F and the codes listed are hard codes. Checked grey/red common wire to all issue sensors and it is fine. Has anyone...
March 10, 2008
1999 Ford F-250 Super Duty Lariat 7.3L Hesitation, Surge, Cuts out, Stall VIN: 1FTNX21F2X
P0603: PCM Keep Alive Memory Test Error. ... presure code p0470 and kam code P0603 in memory. Cleared codes and p0603 didn't reset checked all batt cable conections all are fine. have put alot of miles on this thing without problem hoping some one has idea.
March 03, 2008
1999 Ford F-250 Super Duty Lariat 7.3L Hesitation, Surge, Cuts out, Stall VIN: 1FTNX21F2X
P0603: PCM Keep Alive Memory Test Error. ... presure code p0470 and kam code P0603 in memory. Cleared codes and p0603 didn't reset checked all batt cable conections all are fine. have put alot of miles on this thing without problem hoping some one has idea.
March 04, 2008
2005 Ford Freestar SES 3.9L Poor Idle Quality, Hesitation, Cuts out, MIL Lamp on VIN: 2FMZA57655
P0603: Internal control mod Kam error. Replaced ECM because of water flooding out ECM (had codes P0715,P0717,P0340,P1270 at that time). Now the engine coolant temp sensor reads 102400 F and the codes listed are hard codes. Checked grey/red common wire to all issue sensors and it is fine. Has anyone...
March 10, 2008