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Old 06-21-2009, 09:44 AM   #1 (permalink)
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international t444 - I need help interpreting diagnostic codes

I just started to examine a temperamental 2000 international 4700 t444. (175 hp)
The check engine light is not on, but the truck has been running poorly so I decided to pull the flash codes. I am new to internationals so I have a few questions. 1. Does it look like the codes I pulled may just be old stored codes? 2. If so, how do I clear them 3. If not, but do you make of the codes I have pulled.

I dealership faxed me the "Electronic Control System Diagnostic Form EGED-185" which is what I have been using to interpret the flashes. Here is what I got

111 - NO errors detected
222 - Brake switch circuit fault
113 - Electrical system voltage out of range (low)
626 - Unexpected reset fault - ecm memory lost power
231 - ATA data Communications link error
525 - Injector driver circuit faulty -ECM can not supply sufficient voltage to injectors - Engine harness, injector harness, or ECM problem

I suspect that some of these codes are old and were never cleared. I know the truck recently had the alternator go which would explain 113, 626, and maybe some of the other codes. What do you guys think. Also, if anyone knows where I can find an engine or complete shop manual for this truck I would be interested in viewing/buying one.

Thanks
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Old 06-23-2009, 02:22 PM   #2 (permalink)
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I'm still looking for some help. Is there another place on this forum or another forum that you would recommend I post this?

Thanks
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Old 08-14-2009, 11:03 AM   #3 (permalink)
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Hey eastcoast I have sorta the same issue. I got a couple of the same flash codes you have. Did you figure out how to clear them?
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Old 08-14-2009, 02:27 PM   #4 (permalink)
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Load test

Have your batteries load tested and check the alternator output, Check the battery cables and make sure you are grounded to the engine as well as the chasis...

Also check your glowplug controls and be sure your relay is not stuck.

Sounds like a low voltage problem to me.
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Old 08-14-2009, 10:51 PM   #5 (permalink)
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I know how to clear the codes on the newer internationals but wasn't so sure on the older body styles so I put "clearing t444e codes" in google and found a site that suggested putting the key to the run position, holding the diagnostic button under the dash and pumping the throttle three times slowly to clear codes. Try and clear codes and drive the truck and see if any of them come back.
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